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参数资料
| 型号： | KIT33880DWBEVB |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 19/25页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MC33880 8X SW W/SPI |
| 标准包装： | 1 |
| 主要目的： | 电源管理，高端和低端驱动器（内部 FET） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MC33880 |
| 主要属性： | 8 个可配置高/低 FET，5.5 ~ 24.5V，0.8 ~ 2A，0.55 欧 |
| 次要属性： | SPI 接口，反向电池，温度，短路，电流限制保护 |
| 已供物品： | 板，软件 |
| 产品目录页面： | 808 (CN2011-ZH PDF) |
| 相关产品： | MC33880DWBR2CT-ND - IC SERIAL SWITCH OCT WSPI 32SOIC MC33880DWR2-ND - IC SERIAL SWITCH OCT WSPI 28SOIC MC33880DWBR2TR-ND - IC SERIAL SWITCH OCT WSPI 32SOIC MC33880DW-ND - IC SERIAL SWITCH OCT WSPI 28SOIC MC33880DWB-ND - IC SWITCH 8X WITH SPI 32-SOIC |
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
LOGIC COMMANDS AND REGISTERS
On each SPI communication, an 8-bit command word is sent to the 33880 and an 8-bit fault word is received from the 33880.
The Most Significant Bit (MSB) is sent and received first (see below).
MSB
LSB
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
Command Register Definition:
0 = Output Command Off
1 = Output Command On
Fault Register Definition:
0 = No fault
1 = Fault.
Table 6. Fault Operation
SERIAL OUTPUT (SO) PINS REPORTS
Overtemperature
Overcurrent
Output ON Open Load Fault
Output OFF Open Load Fault
DEVICE SHUTDOWNS
Overvoltage
Overtemperature
Fault reported by Serial Output (DO) pin.
DO pin reports short to battery/supply or overcurrent condition.
Not reported.
DO pin reports output OFF open load condition.
Total device shutdown at V PWR = 25 V to 30 V. Resumes normal operation with proper voltage.
All outputs assuming the previous state upon recovery from overvoltage.
Only the output experiencing an overtemperature fault shuts down. Output assumes previous state
upon recovery from overtemperature.
33880
Analog Integrated Circuit Device Data
Freescale Semiconductor
19
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