A8426EESTR-T - Allegro Microsystems

High-Performance Semiconductors

Product Selection Guide

October 2012

TABLE OF CONTENTS

Sensor IC Package Portfolio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Integrated Circuit Package Portfolio . . . . . . . . . . . . . . . . . . . . . . .4

Magnetic Linear and Angular Position Sensor ICs . . . . . . . . . . . .5

Customer Programmable, Medium to High Accuracy Solutions . . . . . . . . . . .5

Factory Programmed, Cost-Effective Solutions . . . . . . . . . . . . . . . . . . . . . . . .5

Factory Programmed, Micro Power 3 V Linears, Cost-Effective Solutions . . .5

Current Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

50 to 200 A Integrated Conductor Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . .6

SIP Package 0 to >1000 A Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

0 to 50 A Integrated Conductor Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . .6

High-Side Hot-Swap Hall-Effect-Based Current Monitor IC . . . . . . . . . . . . . .6

Magnetic Speed Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Camshaft Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Crankshaft Sensor ICs - Highly Accurate Analog Speed Sensor ICs . . . . . . . .7

Crankshaft Sensor ICs - Gear-Tooth Hall-Effect Speed Sensor ICs . . . . . . . . .7

Transmission Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Wheel Speed Sensor ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Magnetic Digital Position Sensor ICs . . . . . . . . . . . . . . . . . . . . . .8

Continuous Time Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

General Purpose Stabilized Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

EMC Robust Chopper Stabilized Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Two-Wire Chopper Stabilized Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Commercial-Grade Chopper Stabilized Latches . . . . . . . . . . . . . . . . . . . . . . .8

Bipolar Hall-Effect Digital Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Continuous Time Unipolar Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

General Purpose Chopper Stabilized Switches . . . . . . . . . . . . . . . . . . . . . . . .9

Fixed Switch Point Two-Wire Chopper Stabilized Switches . . . . . . . . . . . . . .9

Programmable Fixed Switch Point Two-Wire Chopper Stabilized Switches . .9

Commercial Grade Unipolar Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Dual Element Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Micropower Switches - Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Automotive Applications Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Motor Drivers and Interface ICs . . . . . . . . . . . . . . . . . . . . . . . . .11

Brushless DC Motor Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Brushless DC Motor Drivers - Sensor-Based Commutation . . . . . . . . . . . . . .11

Brushless DC Motor Drivers - Sensorless-Based Commutation . . . . . . . . . .11

Brush DC Motor Drivers - Low-Voltage Motor Drivers . . . . . . . . . . . . . . . . .11

Brush DC Motor Drivers - MOSFET Controller ICs . . . . . . . . . . . . . . . . . . . . .11

Brush DC Motor Drivers - Integrated Controller ICs . . . . . . . . . . . . . . . . . . .11

Bipolar Stepper Motor Drivers - Parallel Interface (I0, I1) . . . . . . . . . . . . . . .12

Bipolar Stepper Motor Drivers - Serial Interface . . . . . . . . . . . . . . . . . . . . .12

Bipolar Stepper Motor Drivers - Step / Direction Interface . . . . . . . . . . . . .12

High Side Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Low Side Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Photoelectric Smoke Detector ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Ionization Smoke Detector ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Consumer Electronics Applications Overview . . . . . . . . . . . . . . . . . . . . . . . .13

Regulators and Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Low Noise Block Regulators for Satellite Set-Top Boxes . . . . . . . . . . . . . . .14

LED Drivers - Automotive Backlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

LED Drivers - General Backlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

LED Drivers - General Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

LED Drivers - Automotive Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Single Output Regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Multiple Output Regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Lighting Applications Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be

expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.

ALLEGRO SENSOR ICs

SENSOR IC PACKAGE PORTFOLIO

Please Note: Package sizes are photographed to show relative scale.

Surface Mount PackagesCurrent Sensing Packages

with Integrated Conductors

LH (SOT23W)

Terminals: 3

L/LC (SOIC-8)

Terminals: 8

CA/CB

Terminals: 5

EX (QFN)

Terminals: 12

Size: 3 x 3 mm body width

L/LC (SOIC-8)

Terminals: 8

LF (QSOP-24)

Terminals: 24

Single In-Line Packages Low Profile, Smallest Footprint Packages Integrated Magnet Packages

Terminals: 4

CG (WLCSP)

Terminals: 4

Size: .96 x .96 mm

body width

EW (DFN)

Terminals: 6

Size: 1.5 x 2 mm body

width

EL (DFN)

Terminals: 3, 6

Size: 2 x 2 mm body

width

Terminals: 4

UA (TO-92)

Terminals: 3

Terminals: 4

Allegro MicroSystems, Inc. is a leader in developing and manufacturing innovative, reliable, high-performance Hall-effect magnetic sensor ICs.

The development of Allegro sensor ICs not only includes leading edge innovations in the area of integrated circuit design but also includes application

specific innovation in the area of custom package design.

A small sampling of Allegro’s custom packaging developments include:

• Proprietary, integrated magnet packages that simplify magnetic system design in automotive speed sensing applications. See the SE, SG, SH and SJ packages.

• Revolutionary, integrated current sensing packages with high bandwidth magnetic design features. See the SOIC and CA/CB packages with integrated, low resistance

current conductors and the 1 mm thick KT package.

• Small footprint, low profile DFN packages for communications and consumer products. See the EL, EW and CG packages.

The package options shown below are a sampling of Allegro's most recent, high technology packages. For specific package information, please visit Allegro's website at:

www.allegromicro.com/Sensor-IC-Packaging.aspx

ALLEGRO INTEGRATED CIRCUITS

INTEGRATED CIRCUIT PACKAGE PORTFOLIO

Allegro MicroSystems, Inc. is a leader in developing, manufacturing and marketing high-performance power integrated circuits and integrated Hall-effect

magnetic sensor ICs. Allegro’s innovative solutions serve high-growth applications within the automotive, communications, computer/office automation,

consumer and industrial markets.

• Allegro’s power packages offer industry-leading

thermal performance with limited board space.

• TSSOP – Industry-standard TSSOP with optional

thermal pad for enhanced power dissipation

• QFP – Universal quad flat pack with thermal pad

for enhanced performance

• QFN/TDFN – Quad and dual, low-profile,

surface-mount packages with thermal pad for

enhanced performance

• MSOP – Industry-standard miniature small

outline package

• SOIC – Small outline integrated circuit with some

thermal pad versions for enhanced performance

• CSP – Wafer level chip scale

• Additional industry-standard packaging options are

available to meet individual design requirements.

The package options shown below are a sampling of

Allegro’s most recent, high technology packages.

For specific package information, please visit Allegro’s

website at:

www.allegromicro.com/Power-IC-Packaging.aspx

Without Leads Chip Scale

ES, EC, ET, EU, EV

(QFN with exposed pad)

Terminals: 16-48

Size: 3 x 3 mm body width to

7 x 7 mm body width

EJ (TDFN with exposed pad)

Terminals: 3-16

Size: 2 x 2 mm body to

3 x 3 mm body width

CG (Chip Scale)

Terminals: 4-12

With Leads

JP (QFP with exposed pad)

Terminals: 48

Size: 7 x 7 mm body width

LP (TSSOP with exposed pad)

Terminals: 16-32

Size: 4.4 mm body width

LB (SOIC)

Terminals: 16-28

Size: 7.5 mm body width

LJ (SOIC with exposed pad)

Terminals: 8

Size: 3.9 mm body width

LZ (MSOP with exposed pad)

Terminals: 10

Size: 3 mm body width

Please Note: Package sizes are photographed to show relative scale.

MAGNETIC LINEAR AND ANGULAR POSITION SENSOR ICs

Customer Programmable, Medium to High Accuracy Solutions

Part Supply Quiescent Typical Sensitivity Output Temperature Packages

Number Voltage (V) Output (V) (mV/G) Bandwidth (kHz) Ranges

A1356 4.5 to 18 40% to 60% 45 to 75 m% D/G 0.4 L KB

(programmable) (programmable) (internal bandwidth)

A1357 4.5 to 18 40% to 60% 35 to 145 m% D/G 0.4 L KB

(programmable) (programmable) (internal bandwidth)

A1381 4.5 to 5.5 2.3 to 2.6 6 to 9 12 E, L LH, UA

(programmable) (programmable)

A1383 4.5 to 5.5 2.3 to 2.6 2.75 to 4.25 21 E, L LH, UA

(programmable) (programmable)

A1384 4.5 to 5.5 2.3 to 2.6 2 to 3 27 E, L LH, UA

(programmable) (programmable)

A1386 4.5 to 5.5 2.4 to 2.6 1.9 to 3.3 20 E, L LH, UA

(programmable) (programmable)

Part Supply Quiescent Typical Sensitivity Output Temperature Packages

Number Voltage (V) Output (V) (mV/G) Bandwidth (kHz) Ranges

A1301 4.5 to 6 Typ 50% Vcc 2.5 20 E, K LH, UA

A1302 4.5 to 6 Typ 50% Vcc 1.3 20 E, K LH, UA

A1324 4.5 to 5.5 Typ 50% Vcc 5 17 L LH, UA

A1325 4.5 to 5.5 Typ 50% Vcc 3.125 17 L LH, UA

A1326 4.5 to 5.5 Typ 50% Vcc 2.5 17 L LH, UA

Part Supply Quiescent Typical Sensitivity Output Temperature Packages

Number Voltage (V) Output (V) (mV/G) Bandwidth (kHz) Ranges

A1391 2.5 to 3.5 Typ 50% Vref 1.25 10 S EH

A1392 2.5 to 3.5 Typ 50% Vref 2.5 10 S EH

A1393 2.5 to 3.5 Typ 50% Vref 5 10 S EH

A1395 2.5 to 3.5 Typ 50% Vref 10 10 S EH

Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C

Factory Programmed, Cost-Effective Solutions

Factory Programmed, Micro Power 3 V Linears, Cost-Effective Solutions

CURRENT SENSOR ICs

50 to 200 A Integrated Conductor Sensor ICs

Part Supply Quiescent Typical Output Temperature Packages

Number Voltage (V) Output (V) Sensitivity (mV/G) Bandwidth (kHz) Ranges

A1360 4.5 to 5.5 Typ 10% or 0.7 to 1.4 50 L KT

50% Vcc Programmable

A1361 4.5 to 5.5 Typ 10% or 1.4 to 4.5 50 L KT

50% Vcc Programmable

A1362 4.5 to 5.5 Typ 10% or 4.5 to 16 50 L KT

50% Vcc Programmable

SIP Package 0 to >1000 A Sensor ICs

Type Part Measurement Isolation Bandwidth Vcc Temperature Packages

Number Range (A) Voltage (VRMS) (kHz) Ranges

Bidirectional ACS756 ±50 to 100 3000 120 5 S, K CA

Uni/Bidirectional ACS758 ±50 to 200 3000 120 5 E, K, L CB

Bidirectional ACS759 ±50 to 200 3000 120 3.3 E, K, L CB

0 to 50 A Integrated Conductor Sensor ICs

Type Part Measurement Isolation Bandwidth Vcc Temperature Packages

Number Range (A) Voltage (VRMS) (kHz) Ranges

Bidirectional ACS709 ±20 to 35 2100 120 5LQSOP-24

Bidirectional ACS710 ±12.5 to 25 3000 120 5KSOIC-16

Bidirectional ACS711 ±12.5 to 25 <100 VDC 100 3.3 E, K SOIC-8

Bidirectional ACS712 ±5 to 30 2100 80 5ESOIC-8

Unidirectional ACS713 20 to 30 2100 80 5ESOIC-8

Bidirectional ACS714 ±5 to 30 2100 80 5 E, L SOIC-8

Unidirectional ACS715 20 to 30 2100 80 5 E, L SOIC-8

Bidirectional ACS716 ±12.5 to 25 3000 120 3.3 K SOIC-16

Type Part Measurement Voltage Bandwidth Temperature Packages

Number Range (A) (V) (kHz) Ranges

Hot Swap Controller ACS761 ±20 12 to 20 50 E QSOP-24

Hot Swap Controller ACS760 ±20 12 to 20 50 E QSOP-24

Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C

High-Side Hot-Swap Hall-Effect-Based Current Monitor IC

MAGNETIC SPEED SENSOR ICs

Camshaft Sensor ICs

Part Supply Output Power-On Specified Air Gap Key Spec Minimum Packages

Number Voltage (V) Type State Range (>20 Hz) Speed

ATS616 3.5 to 24 3-wire High (off) 0.4 to 2.5 mm Timing accuracy 10 Hz SG

ATS617 4.5 to 24 3-wire High (off) 0.4 to 2.5 mm Timing accuracy 10 Hz SG

ATS636 4.2 to 24 3-wire TPO 2.5 mm max User programmable Zero speed SE

switch point

ATS675 3.3 to 26.5 3-wire TPO 0.5 to 3 mm Timing accuracy Zero speed SE

Crankshaft Sensor ICs - Gear-Tooth Hall-Effect Speed Sensor ICs (Includes IC and Magnet)

Part Supply Output Power-On Specified Air Gap Key Spec Minimum Packages

Number Voltage (V) Type State Range (>20 Hz) Speed

ATS616 3.5 to 24 3-wire High (off) 0.4 to 2.5 mm Timing accuracy 10 Hz SG

ATS627 4 to 24 3-wire High (off) 0.5 to 3 mm Repeatability Zero speed SG

Crankshaft Sensor ICs - Highly-Accurate Analog Speed Sensor ICs

Part Operate Release Hysteresis Minimum Packages

Number Point (G) Point (G) (G) Speed

A1421 0 to 27.5 -12.5 to 7.5 Typ 15 20 Hz K

A1422 5 to 35 -35 to -5 Typ 30 20 Hz K

A1423 10 to 100 -100 to -10 Typ 130 20 Hz K

A1425 -11 to 11 -11 to 11 Typ 8.5 20 Hz K

Wheel Speed Sensor ICs

Part Supply OutputPower-On Specified AirKey Spec MinimumApplicationsPackages

Number Voltage (V)TypeState Gap RangeSpeed

ATS642 4 to 24 2-wire High (current) 0.5 to 3 mmDuty cycleZero speed ABSSH

ATS682 4 to 242-wireHigh (current) 0.5 to 3 mm Duty cycle Zero speed ABS SH

A16424 to 24 2-wireHigh (current) 20 to 1000 G Duty cycle Zero speed ABS KN

Temperature range code: L = -40°C to 150°C

Transmission Sensor ICs

Part Supply Output Power-On Specified Air Key Spec Minimum Packages

Number Voltage (V) Type State Gap Range Speed

ATS667 4 to 24 3-wire High (output off) 0.5 to 3.1 mm Duty cycle Zero speed SG

ATS685 4 to 24 2-wire High (current) 0.5 to 3 mm Duty cycle Zero speed SH

ATS692 4 to 24 2-wire PWM Low (current) 0.5 to 2.75 mm Direction Detection Zero speed SH

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1220 5 to 40 -40 to -5 Typ 45 E, L LH, UA Open Drain A3280

A1221 15 to 90 -90 to -15 Typ 100 E, L LH, UA Open Drain A3281

A1222 70 to 150 -150 to -70 Typ 220 E, L LH, UA Open Drain —

A1223 100 to 180 -180 to -100 Typ 300 E, L LH, UA Open Drain A3283

MAGNETIC DIGITAL POSITION SENSOR ICs

Continuous Time Latches

General Purpose Stabilized Latches

EMC Robust Chopper Stabilized Latches

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1225 140 to 300 -300 to -140 340 to 540 L LT, UA Open Drain —

A1227 50 to 175 -175 to -50 100 to 350 L LT, UA Open Drain —

A1229 80 to 200 -80 to -200 160 to 400 L LT, UA Open Drain —

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1210 25 to 150 -150 to -25 >50 (typ 180) E, L LH, UA Open Drain UGN3177

A1211 15 to 180 -180 to -15 >80 (typ 180) L UA Open Drain UGN3175

A1212 50 to 175 -175 to -50 100 to 350 L LH, UA Open Drain A3187

A1213 80 to 200 -200 to -80 160 to 400 L LH, UA Open Drain A3188, A3189

A1214 140 to 300 -300 to -140 280 to 600 L LH, UA Open Drain A3185

Commercial-Grade Chopper Stabilized Latches

Two-Wire Chopper Stabilized Latch

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1244 5 to 80 -80 to -5 40 to 110 L LH, UA Current Source —

Bipolar Hall-Effect Digital Switches

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1202 <75 >-75 >30 L UA Open Drain UGx3133

A1203 <95 >-95 >30 E, L LH, UA Open Drain UGx3132

A1205 -40 to 50 -50 to 40 5 to 55 L LH, UA Open Drain A3134

A1250 -10 to 25 -25 to 10 5 to 25 L LH, UA Open Drain A3230

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A3290 5 to 50 -50 to -5 10 to 100 K LH, UA Open Drain —

A3291 10 to 100 -100 to -10 20 to 100 K LH, UH Open Drain —

MAGNETIC DIGITAL POSITION SENSOR ICs

General Purpose Chopper Stabilized Switches

Fixed Switch Point Two-Wire Chopper Stabilized Switches

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1150 <110 >45 5 to 30 L LH, UA Current Source A1140

A1152 <110 >45 5 to 30 L LH, UA Current Source A3361, A1142

A1153 <110 >45 5 to 30 L LH, UA Current Source A3163, A3362,

A1143

A1155 20 to 60 10 to 55 5 to 30 L LH, UA Current Source A1145

A1156 20 to 60 10 to 55 5 to 30 L LH Current Source A1146

A1157 20 to 80 10 to 60 5 to 30 L LH, UA Current Source A1147

A1158 20 to 80 10 to 60 5 to 30 L LH, UA Current Source A1148

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1120 <50 (typ 35) >5 (typ 25) Typ 10 E, L LH, UA Open Drain A3240

A1121 <120 >40 >10 Typ 25 E, L LH, UA Open Drain A3241

A1122 <205 >105 >10 Typ 25 E, L LH, UA Open Drain A3242

A1125 <50 (typ 35) >5 (typ 25) Typ 10 E, L LH, UA Open Drain A3340

A1126 < |55|G < |50|G 5 to 30 L LH, UA Open Drain A3245

Programmable Switch Point Two-Wire Chopper Stabilized Switches

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1190 10 to 200 — 5 to 30 L LH, UA Current Source A1180

A1192 10 to 200 — 5 to 30 L LH, UA Current Source A1182, A1185

A1193 10 to 200 — 5 to 30 L LH, UA Current Source A1183, A1186

Commercial Grade Unipolar Switch

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A3295 <75 >5 Typ 10 K LH, UA Open Drain —

Continuous Time Unipolar Switches

Part Operate Release Hysteresis Temperature Packages Output Replaces

Number Point (G) Point (G) (G) Ranges

A1101 30 to 175 10 to 140 20 to 80 E, L LH, UA Open Drain A3141

A1102 115 to 245 60 to 190 30 to 80 E, L LH, UA Open Drain A3142

A1103 205 to 355 150 to 300 30 to 80 E, L LH, UA Open Drain A3143

A1104 35 to 450 25 to 430 >20 E, L LH, UA Open Drain A3144

A1106 260 to 430 160 to 330 70 to 140 E, L LH, UA Open Drain A3121, A3122,

A3123

Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C

MAGNETIC DIGITAL POSITION SENSOR ICs

Dual Element Switches

Part Operate Point Release Point Hysteresis (G) Temperature Packages Output Pins

Number (G) (G) Ranges

A1230 30 max -30 min Typ 14 L K, L Dual Channel Quadrature

Micropower Switches-Latches

Part Operate Operating Release Hysteresis (G) Temperature Packages Supply

Number Voltage (V) Point (G) Point (G) Ranges Current (µA)

A1171 1.65 to 3.5 ±55 ±6 Typ 6 E EW 4 (typ) (VDD=1.8 V)

A1172 1.65 to 3.5 ±55 ±6 Typ 6 E CG 4 (typ) (VDD=1.8 V)

A1174 1.65 to 3.5 5 to 55 -55 to -5 Typ 72 E EW 82 (VDD=3 V)

A3211 2.5 to 3.5 ±55 ±10 Typ 7.7 E EL, EH, LH 6 (typ)

A3212 2.5 to 3.5 ±55 ±10 Typ 7.7 E, L EL, EH, LH, UA 6 (typ)

A3213 2.4 to 5.5 ±70 ±10 Typ 7.7 E, L LH, UA 850 (max)

A3214 2.4 to 5.5 ±70 ±10 Typ 7.7 E, L LH, UA 22 (max)

Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C

For switch interface ICs, please see the "High Side Drivers" section on page 21.

• Engine speed sensing • Infotainment

• Electronic Power Steering (EPS) • Lighting systems

• Fan and pump systems • Hybrid/Electric vehicles

For more than 20 years, Allegro has designed and manufactured highly innovative sensor

and power integrated circuits (ICs) for demanding, safety critical automotive

applications. In fact, Allegro has shipped well over 2.5 billion ICs into automotive

applications. Allegro’s extensive experience in the automotive market motivates

our entire organization to continually enhance and refine our broad

foundation of high voltage automotive semiconductor and IC package

technologies, our deep automotive applications knowledge, our global

automotive market support infrastructure, and our commitment to

automotive quality systems.

As a result, Allegro’s core technologies are well aligned with

emerging trends towards fuel efficiency and reduced vehicle

emissions. Allegro is well positioned to deliver robust, applications

specific ICs for a broad range of safety critical powertrain, electronic

power steering, infotainment, and comfort and convenience applications

for both internal combustion engine and hybrid or fully electric vehicles.

We deliver robust, application-specific, magnetic sensor and power ICs

for applications, including:

MOTOR DRIVERS AND INTERFACE ICs

Brushless DC Motor Drivers

Part Output Voltage Output Number of Output Interface Packages

Number Range (V) Current Bridges

A4931 8 to 38 <10 A Typical Three half bridges MOSFET gate driver Parallel 5 x 5 mm QFN-28

A3935K 7 to 40 >10 A Typical Three half bridges MOSFET gate driver Parallel QSOP-36 eLQFP-48

A4933K 7 to 50 >10 A Typical Three half bridges MOSFET gate driver Parallel eLQFP-48

A4935K 7 to 50 >10 A Typical Three half bridges MOSFET gate driver Parallel eLQFP-48

A3946K 7 to 60 >10 A Typical Half bridge MOSFET gate driver Parallel SOIC-16 e-TSSOP-16

Brushless DC Motor Drivers - Sensor-Based Commutation

Part Output Voltage Output Number of Output Interface Packages

Number Range (V) Current Bridges

A3930/31K 7 to 50 >10 A Typical Three half bridges MOSFET gate driver Parallel eLQFP-48

A4930 8 to 36 <10 A Typical Single full bridge MOSFET gate driver Parallel 5 x 5 mm QFN-28

A4936 8 to 38 <10 A Typical Three half bridges MOSFET gate driver Parallel 5 x 5 mm QFN-32

A4938 8 to 38 <10 A Typical Three half bridges MOSFET gate driver Parallel 5 x 5 mm QFN-28

A3932 12 to 50 <25 A Typical Three half bridges MOSFET gate driver Parallel TSSOP-38

A3938 12 to 50 <25 A Typical Three half bridges MOSFET gate driver Parallel TSSOP-38

Brushless DC Motor Drivers - Sensorless-Based Commutation

Part Output Voltage Output Number of Output Interface Packages

Number Range (V) Current Bridges

A3907 2.3 to 5.5 102 mA One linear sink driver Linear MOSFET I2C WLCSP-6 1.47 x 0.97 mm

A3904 2.4 to 5.5 127 mA One linear sink driver Linear MOSFET I2C DFN-6, WLCSP-6 Bare die

A4941 4.5 to 20 1.25 A Three half bridges Integrated DMOS Parallel e-TSSOP-16

A4934 8 to 20 1.25 A Three half bridges Integrated DMOS Parallel eTSSOP-16

A4960K 7 to 50 >10 A Typical Three half bridges MOSFET gate driver Parallel and SPI eLQFP-32

A4933K 7 to 50 >10 A Typical Three half bridges MOSFET gate driver Parallel eLQFP-48

Brush DC Motor Drivers - MOSFET Controller ICs

Part Output Voltage Output Current Number of Logic Supply Packages

Number Range (V) Range Bridges Voltage Range

A4940K 5.5 to 50 >10 A Typical Single full 3 V to 5.5 V eTSSOP-24

A3941K 7 to 50 >10 A Typical Single full Internally generated eTSSOP-28

A3946 7 to 60 >10 A Typical Half bridge Internally generated SOIC-16, eTSSOP-16

A4957 4.5 to 50 >10 A Typical Single full 3 V to 5.5 V QFN-16

Brush DC Motor Drivers - Integrated Controller ICs

Part Output Voltage Output Current Number of Logic Supply Packages

Number Range (V) Range Bridges Voltage Range

A3968 Vcc to 30 650 mA Dual full 4.75 V to 5.5 V SOIC-16

A4950 / A4950K 8 to 40 3.5 A Single full Internally generated SOICN-8

A4952 8 to 40 2 A Single full Internally generated MSOP-10

A4953 8 to 40 2 A Single full Internally generated SOICN-8

A4973 5 to 50 1.5 A Single full 3 V to 5.5 V DIP-16, SOIC-16

A4954 8 to 40 2 A Dual full Internally generated eTSSOP-16

A3949 8 to 36 2.8 A Single full Internally generated SOIC-16, eTSSOP-16

A3950 8 to 36 2.8 A Single full Internally generated eTSSOP-16, QFN-16

A3959 9.5 to 50 3 A Single full 4.5 V to 5.5 V DIP-24, SOIC-24, eTSSOP-28

A3998 9 to 50 1.5 A Dual full with Dual Regulators 3 V to 5.5 V QFN-32

All devices above have a parallel interface.

Note: "K" suffix denotes automotive grade product 11

Brush DC Motor Drivers - Low-Voltage Motor Drivers

Part Output Voltage Output Current Number of Logic Supply Packages

Number Range (V) Range Bridges Voltage Range

A3901 2.5 to 5.5 400 mA Dual full Internally generated DFN-10

A3903 2.5 to 5.5 500 mA Single full Internally generated DFN-8

A3908 2.5 to 5.5 500 mA Single full Internally generated DFN-8

A3906 2.5 to 9 1 A Dual full Internally generated QFN-20

A3918 2.5 to 9 1 A Single full Internally generated QFN-16

MOTOR DRIVERS AND INTERFACE ICs

Bipolar Stepper Motor Drivers - Parallel Interface (I0,I1)

Part Output Voltage Output Current Interface Packages

Number Range (V) Range

A3901 2.5 to 5.5 400 mA Parallel (I0, I1) DFN-10

A3906 2.5 to 9 1 A Parallel (I0, I1) QFN-20

A3966 4.5 to 30 650 mA Parallel (I0, I1) SOIC-16

A3989 8 to 35 1.2 A (Step), 2.4 A (DC) Parallel (I0, I1) QFN-36

A3995 8 to 35 2.4 A Parallel (I0, I1) QFN-36

A3988 8 to 36 1.2 A Parallel (I0, I1) QFN-36, eLQFP-48

A4986 8 to 35 2 A Parallel (I0, I1) eTSSOP-24

A4987 8 to 35 1 A Parallel (I0, I1) QFN-24, eTSSOP-24

A4970 10 to 45 750 mA Parallel (I0, I1) DIP-34, SOIC-24, PLCC-44

A4975 5 to 50 1.5 A Parallel (I0, I1) DIP-16, SOIC-16

Bipolar Stepper Motor Drivers - Serial Interface

Part Output Voltage Output Current Interface Packages

Number Range (V) Range

A3972 15 to 50 1.5 A Serial DIP-24

A3981K 7 to 50 1.4 A SPI / Parallel (Translator) eTSSOP-28

A3992 15 to 50 1.5 A Serial DIP-24, eTSSOP-24

A3998 9 to 50 1.5 A Serial QFN-32

A4980K 3.3 to 50 1.4 A SPI / Parallel (Translator) eTSSOP-28

A3985 12 to 50 <10 A Typical Serial TSSOP-38

A4979 7 to 50 1.5 A SPI / Parallel (Translator) eTSSOP-28

Bipolar Stepper Motor Drivers - Step / Direction Interface

Part Output Voltage Output Current Interface Packages

Number Range (V) Range

A3967 8 to 35 750 mA Parallel (Translator) SOIC-24

A3977 8 to 35 2.5 A Parallel (Translator) PLCC-44, eTSSOP-28

A3979 8 to 35 2.5 A Parallel (Translator) eTSSOP-28

A3982 8 to 35 1.5 A Parallel (Translator) SOIC-24

A3983 8 to 35 1.5 A Parallel (Translator) eTSSOP-24

A3984 8 to 35 1.5 A Parallel (Translator) eTSSOP-24

A3987 8 to 35 1.5 A Parallel (Translator) eTSSOP-24

A4982 8 to 35 2 A Parallel (Translator) QFN-32, eTSSOP-24

A4983 8 to 35 2 A Parallel (Translator) QFN-28

A4984 8 to 35 2 A Parallel (Translator) QFN-24, QFN-32, eTSSOP- 24

A4985 8 to 35 1 A Parallel (Translator) QFN-24, QFN-32, eTSSOP- 24

A4988 8 to 35 2 A Parallel (Translator) QFN-28

A3981K 7 to 50 1.4 A Parallel / SPI (Translator) eTSSOP-28

A3986 12 to 50 <10 A Typical Parallel (Translator) TSSOP-38

A4980K 3.3 to 50 1.4 A Parallel / SPI (Translator) eTSSOP-28

A4989 12 to 50 <10 A Typical Parallel (Translator) TSSOP-38

High Side Drivers

Part Output Output Current Number Serial Input Parallel High Side / Packages Description

Number Voltage (per channel) of Outputs Input Low Side

A6850K 40 2 x 25 mA 2NYHigh Side SOIC-8 Two channel high side protected

switch with current monitor outputs

UDx2982 50 8 x 350 mA 8NYHigh Side SOIC-20 Eight channel high side driver IC

Eight channel high side driver IC

UDN2987-6 35 8 x 350 mA 8NYHigh Side SOIC-20 with over-current protection

A3942K 60 4 x pre-drive 4YYHigh Side TSSOP-38 Four channel high side

MOSFET pre-driver IC

Note: "K" suffix denotes automotive grade product

MOTOR DRIVERS AND INTERFACE ICs

Low Side Drivers

Photoelectric Smoke Detector ICs

Part Sensor Reduced Horn Supply Temperature Packages

Number Type Sensitivity Timer Pattern Voltage (VDC) Range (°C)

A5303 Photo Yes Temporal (T3) 2.3 to 5.5 -20 to 85 TSSOP-20

A5366 Photo Yes Temporal (T3) 6 to 12 -25 to 75 DIP-16, SOIC-16

A5358 Photo Yes Continuous Pulsing 6 to 12 -25 to 75 DIP-16, SOIC-16

Ionization Smoke Detector ICs

Part Sensor Reduced Horn Supply Temperature Packages

Number Type Sensitivity Timer Pattern Voltage (VDC) Range (°C)

A5348 Ion Yes Continuous Pulsing 6 to 12 -10 to 60 DIP-16

A5367 Ion Yes Temporal (T3) 6 to 12 -10 to 60 DIP-16

Note: "K" suffix denotes automotive grade product

Part Output Output Current Number Serial Input Parallel High Side / Packages Description

Number Voltage (per channel) of Outputs Input Low Side

3 x low side 3 channel low side relay

A2550K 60 3 x 250 mA 1 x LDO NYLow Side eTSSOP-16 driver / 5V regulator,

POR, and watchdog

A3944K 50 N/A 6 Yes N/A N/A eTSSOP-28 Six channel low side

MOSFET Pre-driver IC

We offer a range of Hall-effect sensor ICs, motor driver ICs

and regulators to enable the operation of such products as:

• Printers, copiers, scanners • Flat panel displays

• Satellite set-top boxes • Appliances

• Servers • Mobile phones

Allegro offers a range of Hall-effect sensor ICs, motor driver ICs and regulators for a variety of

consumer applications.

Allegro’s portfolio serves a wide array of applications and enables the operation of such products

as digital flat panel displays, satellite set-top boxes, mobile phones and appliances by providing

power management, backlight display control, motor control, and position and current sensing

functions.

Allegro’s portfolio includes applications-specific products as well as a range of standard products

designed for high-performance and a minimal footprint (or space).

REGULATORS AND LIGHTING

Low Noise Block Regulators for Satellite Set-Top Boxes

Part # of Channels Output Packages Notes

Number Current

A8285 Single 500 ma SOIC-16 "Generation 2"

A8286 Dual 900 mA per channel 5 x 5 mm QFN-28 "Generation 3"

A8290 Single 900 mA 5 x 5 mm QFN-28 "Generation 3"

A8291 Single 600 mA 5 x 5 mm QFN-28 "Generation 3"

A8292 Dual 600 mA per channel 5 x 5 mm QFN-28 "Generation 3"

A8293 Single 700 mA 4 x 4 mm QFN-20 "Generation 3"

A8294 Single 850 mA 4 x 4 mm QFN-20 "Generation 3"

A8295 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 "Generation 4"

A8296 Single Adjustable 250 to 650 mA 3 x 3 mm QFN-16 "Generation 4"

A8297 Dual Adjustable 250 to 950 mA 5 x 5 mm QFN-28 "Generation 4"

A8298 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 "Generation 4" + Ceramics

A8299 Dual Adjustable 250 to 950 mA 5 x 5 mm QFN-28 "Generation 4" + Ceramics

A8303 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 "Generation 4" + Ceramics

+ 15.6 VOUT for Japan Market

LED Drivers - General Backlighting

Part Topology VIN Max IOUT Per Number of IOUT Total LEDs/ Total Frequency Packages

Number OVP (V) Channel (mA) Channels Channel LEDs

A8500 Boost 5 to 27 47 25 8 200 12 96 0.2 to 2 MHz 4 x 4 mm TQFN-26

A8503 Boost 5 to 27 47 35 6 210 12 72 0.6 to 2.2 MHz 4 x 4 mm TQFN-26

A8504 Boost 5 to 27 47 40 8 320 11 88 0.2 to 2 MHz 4 x 4 mm TQFN-26

A8507 Boost Controller 5 to 27 Scalable 80 6 480 32 192 0.3 to 1 MHz eTSSOP-24, SOIC-24

A8508 Boost Controller 9 to 40 Scalable 120 8 960 15 120 0.3 to 0.8 MHz eTSSOP-24

A8509 Boost Controller 9 to 40 Scalable 240 4 960 15 60 0.3 to 0.8 MHz eTSSOP-24, SOIC-24

A8510 Boost 5 to 40 55 40 8 320 12 96 0.6 to 2.2 MHz 5 x 5 QFN-26

A8512 Boost Controller 8 to 24 Scalable 120 6 720 32 192 0.3 to 1 MHz SOIC-24

A8515 Boost 5 to 40 55 120 2 240 12 24 0.6 to 2.2 MHz eTSSOP-16

A8516 Boost Controller 8 to 24 Scalable 120 6 720 32 192 0.3 to 1 MHz eTSSOP-24, SOIC-24

LED Drivers - Automotive Backlighting

Part Topology VIN Max IOUT Per Number of IOUT Total LEDs/ Total Frequency Packages

Number OVP (V) Channel (mA) Channels Channel LEDs

A8501 Boost 6.8 to 40 38 100 4 400 9 36 0.6 to 2.2 MHz eTSSOP-28

A8502 Boost 5 to 40 55 120 2 240 12 24 0.6 to 2.2 MHz eTSSOP-16

A8510 Boost 5 to 40 55 40 8 320 12 96 0.6 to 2.2 MHz 5 x 5 QFN-26

A8511 Boost 6.8 to 40 38 150 4 600 9 36 0.6 to 2.2 MHz eTSSOP-28

A8513 Boost 4.5 to 40 55 150 1 150 14 14 0.25 to 2 MHz eMSOP-10, eTSSOP-16

A8514 Boost 5 to 40 55 80 4 320 12 48 0.6 to 2.2 MHz eTSSOP-20

LED Drivers - General Lighting

Part Topology Number of IOUT per VLED Max Latched Serial Packages

Number Channels Channel (V) Output Input

A6210 Buck 1 300 mA 40 No No QFN-16

A6211 Buck 1 300 mA 40 No No eSOIC-8

A6280 Linear 3 150 mA 17 Yes Yes DIP-16, QFN-16

A6281 Linear 3 150 mA 17 Yes Yes QFN-16

A6282 Linear 16 50 mA 13 Yes Yes QFN-24,

SOIC-24, TSSOP-24

LED Drivers - Automotive Lighting

Part Topology Number of IOUT VIN LEDs per Total Packages

Number Channels Max Channel LEDs

A6260 Linear 1 350 mA 6 to 40 33eSOIC-8

A6261 Linear 4 350 mA 6 to 50 3 12 eMSOP-10, eTSSOP-16

A6262 Linear 4 400 mA 6 to 50 3 12 eMSOP-10, eTSSOP-16

A6264 Linear 4 400 mA 6 to 50 3 12 eMSOP-10, eTSSOP-16

A6265 Buck-Boost / Boost 1 1 A+ 6.5 to 50 2 to 15 15 eTSSOP-16

A6266 Boost 1 1 A+ 5 to 50 5 to 15 15 eTSSOP-16

A6267 Buck-Boost / Boost 1 1 A+ 6.5 to 50 2 to 15 15 eTSSOP-16

A6268 Buck-Boost / Boost 1 1 A+ 5 to 50 2 to 15 15 eTSSOP-16

REGULATORS AND LIGHTING

Multiple Output Regulators

Single Output Regulators

Part Topology Input Voltage Output Packages

Number (V)

A4403 Buck 9 to 46 3 A 4 x 4 mm QFN-16

A4447 Buck 8 to 50 2 A eSOIC-8

A8483 Boost 2.5 to 10 100 mA 3 x 3 mm TDFN-5

A8498 Buck 8 to 50 3 A eSOIC-8

A8499 Buck 8 to 50 1.5 A eSOIC-8

A8582K Buck 4.7 to 40 2 A eSOIC-16

A8583K Buck 4.7 to 40 3.5 A eSOIC-16

A8670 Buck 7 to 16 2 A 4 x 4 mm QFN-20

A8697 Buck 8 to 25 4 A eSOIC-8

A8698 Buck 8 to 25 3 A eSOIC-8

Part Topology Input Voltage Output Packages

Number (V)

A4401 Flyback 7 to 40 Scalable SOIC-8

A4402K Buck + LDO 6 to 50 Buck - 1 A / LDO-0.25 A 16-ETSSOP

~300 mA/ch for 5 V

A4405K Internal Buck + 3 LDO 5.5 to 50 V up to ~500 mA for 3.3 V eTSSOP-20

up to ~400 mA for 5 VP

A4406K Internal Buck + 2 LDO 5.5 to 50 V ~300 mA/ch for 5 V eTSSOP-20

up to ~500 mA for 3.3 V

A4490 3 x Buck 4.5 to 34 Each output rated at 4 x 4 mm QFN-20

2.2 A peak switch current

~300 mA/ch for 5 V

A4407K Internal Buck + 4 LDO 5.5 to 50 V up to ~250 mA for 5 VP eTSSOP-24

up to ~500 mA for 3.3 V

up to ~700 mA for Vadj

A4491 3 x Buck 4.5 to 23 Each output rated at 4 x 4 mm QFN-20

2.2 A peak switch current

A4492 3 x Buck 4.5 to 34 Each output rated at 4 x 4 mm QFN-20

2.2 A peak switch current

A8450K Internal Buck + 3 LDO 6 to 45 1.2 V to 3.3 V @ 200 mA, SOIC-24

3.3 V @ 200 mA, 5 V @200 mA

Four Buck Regulators plus 2.5 A peak for regulators 1-3

A8600K two hi-side switches 4.4 V-40 V 4 A peak for controller 4 QFP-48

(all thermally limited)

DVDD: 2.4 to (Vin - 0.6)V @ 50 mA

Internal Boost +3x LDO VGH: 2.4 to 26 V @ 14 mA

A8601K +2x Charge Pump 4 to 5.5 AVDD: 2.4 to 14.8V @ 200 mA (incl VCOM) eTSSOP-28

VCOM: 2.9 to 6.8 V, VGH: 2.4 to 26 V @ 14 mA

VGL: -12.85 to -5 V @ 14 mA *

Note: "K" suffix denotes automotive grade product

*Typical voltage rails needed when powering LCD displays

• Display backlighting • Automotive lighting

• Architectural lighting

Allegro MicroSystems, Inc. offers a growing portfolio of LED drivers used for display backlighting,

architectural lighting, signage, and automotive lighting applications.

Allegro’s process technology and applications expertise has enabled the development of highly

integrated LED driver ICs with on-chip FETs and diverse control options, providing flexibility and

functionality in a small solution footprint.

Allegro’s LED driver portfolio covers a wide variety of topologies, channel counts, output

currents and feature sets to help customers optimize their solutions.

Features within the portfolio of devices include:

•Buck, boost, charge pump, and linear

topologies

•Series and parallel configurations

•Single and multiple (up to 16) channel outputs

•Output currents from 20 mA up to 3 A

per channel

•Multiple intensity control methods including

PWM control with high resolution per channel

•Current-control for color calibration

(dot correction)

•Open LED and shorted LED detection

•Thermal shutdown and undervoltage

lockout

•Automotive voltage and temperature

ratings available

•Excellent current matching and accuracy

•Low quiescent current

•Multiple package options

We offer a growing portfolio of LED drivers used for the following applications:

North America: 508-853-5000

sales@allegromicro.com

Europe: +33-450-51-23-59

allegroeurope@allegromicro.com

China: +86-21-51506818

allegrochina@allegromicro.com

Japan: +03-3986-6165

japansales@allegromicro.com

Korea: +82-2-369-7320, +82-2-369-7321

allegrokorea@allegromicro.com

Taiwan: +886-2-2757-7231

allegrotaiwan@allegromicro.com

High-Performance Semiconductors

115 Northeast Cutoff, Worcester, MA USA 01606