Full-Bridge PWM Gate Driver

A89505

2

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

ABSOLUTE MAXIMUM RATINGS

Characteristic

Symbol

Notes

Rating

Unit

Load Supply Voltage

VBB

50

V

Motor Outputs

VSx

VSx – VSENSE; VBB – VSx

–2 to 52

V

SENSE

VSENSE

–0.5 to 0.5

V

tW < 500 ns

–4 to 4

V

OCLn

VOCLn

–0.3 to 5.5

V

VREF

VREF

–0.3 to 5.5

V

ISET

VISET

–0.3 to 5.5

V

AIOUT

VAIOUT

–0.3 to 5.5

V

Logic Input Voltage Range

VIN

SLEEPn, IN1, IN2

–0.3 to 5.5

V

Junction Temperature

TJ

150

°C

Storage Temperature Range

TS

–55 to 150

°C

Operating Temperature Range

TA

K temperature range

–40 to 135

°C

G temperature range

–40 to 125

°C

THERMAL CHARACTERISTICS: May require derating at maximum conditions; see application information

Characteristic

Symbol

Test Conditions*

Value

Unit

ES Package

RθJA

4-Layer PCB, 1 in.2 copper

37

°C/W

LP Package

4-Layer PCB, 1 in.2 copper

28

°C/W

*Power dissipation and thermal limits must be observed.

SPECIFICATIONS

SELECTION GUIDE

Part Number

Ambient

Temperature

Range

Package

Packing

Notes

A89505KESSR-J

–40°C to 135°C

4 mm × 4 mm 20-contact QFN package

with exposed thermal pad and wettable flank

6000 pieces per 13-inch reel

AEC-Q100 Qualified

A89505KLPTR

–40°C to 135°C

20-lead eTSSOP with exposed thermal pad

4000 pieces per 13-inch reel

A89505GESSR

–40°C to 125°C

4 mm × 4 mm 20-contact QFN package

with exposed thermal pad

6000 pieces per 13-inch reel