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MC33991DW 数据表(PDF) 4 Page - Freescale Semiconductor, Inc

部件名 MC33991DW
功能描述  Gauge Driver Integrated Circuit
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MC33991DW 数据表(HTML) 4 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
4
Freescale Semiconductor
33991
PIN CONNECTIONS
15
RST
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.
16
V
PWR
Battery Voltage. Power supply.
17 - 20
GND
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.
21
SIN1-
H-Bridge Output. This is the output pin 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.
22
SIN1+
H-Bridge Output. This is the output pin 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.
23
COS1-
H-Bridge Output. This is the output pin 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.
24
COS1+
H-Bridge Output. This is the output pin 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.
Table 1. 33991 Pin Definitions (continued)
Pin Number
Pin Name
Definitions


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