33991 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

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33991

Gauge Driver Integrated Circuit

Motorola => Freescale 

Freescale Semiconductor, Inc.

Pin Functions

Pin

Number

Pin Name

15

RST

16

17-20

VPWR

GND

21

SIN1-

22

SIN1+

23

COS1-

24

COS1+

Description

Reset. If the master decides to reset the device, or place it into a sleep state, the RST pin is driven to a logic 0. A

logic 0 on the RST pin will force all internal logic to the known default state. This input has an internal active pull-up.

Battery Voltage. Power supply.

Ground. These pins serve as the ground for the source of the low-side output transistors as well as the logic portion

of the device. They also help dissipate heat from the device.

H-Bridge Output. This pin is the output of a half bridge, designed to source or sink current. The H-Bridge pins linearly

drive the sine and cosine coils of two separate stepper motors to provide four-quadrant operation.

H-Bridge Output. This pin is the output of a half bridge, designed to source or sink current. The H-Bridge pins linearly

drive the sine and cosine coils of two separate stepper motors to provide four-quadrant operation.

H-Bridge Output. This pin is the output of a half bridge, designed to source or sink current. The H-Bridge pins linearly

drive the sine and cosine coils of two separate stepper motors to provide four-quadrant operation.

H-Bridge Output. This pin is the output of a half bridge, designed to source or sink current. The H-Bridge pins linearly

drive the sine and cosine coils of two separate stepper motors to provide four-quadrant operation.

33991

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