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参数资料
| 型号： | PC33880DWBR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 2 A, PDSO28 |
| 封装： | PLASTIC, SOIC-28 |
| 文件页数： | 5/24页 |
| 文件大小： | 362K |
| 代理商： | PC33880DWBR2 |
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33880
13
SPI Definition
On each SPI communication, an 8-bit command word is sent
to the 33880 and 8-bit fault word is received from the 33880.
The MSB is sent and received first
Command Register Definition:
0 = Output Commanded OFF
1 = Output Commanded ON
Fault Register Definition:
0 = No Fault at Output
1 = Output Short to Bat, Short to GND, Open Load, or TLIM
MSB
LSB
OUT 8
OUT 7
OUT 6
OUT 5
OUT 4
OUT 3
OUT 2
OUT 1
Fault Operation
Serial Output (DO) Pin Reports
Over Temperature
Fault reported by Serial Output (DO) pin.
Over Current
DO pin reports short to battery/supply or over current condition
Output ON Open Load Fault
Not Reported
Output OFF Open Load Fault
DO pin reports output OFF open load condition
Device Shutdowns
Over Voltage
Total device shutdown at VPWR = 25-30 V. Resumes normal operation with proper voltage. All outputs
assuming the previous state upon recovery from overvoltage.
Over Temperature
Only the output experiencing an over temperature shuts down. Output assumes previous state upon
recovery from over temperature.
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