Automotive DMOS Microstepping Driver

with Translator

A3980

5

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

Characteristics

Symbol

Test Conditions

Min.

Max.

Units

Current Control

Blank Time

700

950

1200

ns

Fixed Off Time

30

38

46

μs

Mixed Decay Trip Points

––

–

V

Crossover Dead Time

–

100

475

800

ns

Recommended Reference Input Voltage

–

0.8

–

4V

–

–3

0

3

μA

––

±15

±10

±5

%

Thermal Protection

Thermal Shutdown

–

160

170

180

ºC

Thermal Shutdown Hysteresis

––

15

–

ºC

Diagnostics

–

1.5

–

V

–

1.5

–

V

––

700

–

ns

Minimum Load Current

–

35

–

%

32

34

36

V

–

2

–

4V

5.3

5.7

6.0

V

2.45

2.7

2.95

V

–

50

100

–

mV

for individual units, within the specified maximum and minimum limits.