参数资料
| 型号： | NCV7608DWR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 20/27页 |
| 文件大小： | 0K |
| 描述： | IC DVR LO/HI SIDE 8CH 28-SOIC |
| 标准包装： | 1,000 |
| 类型： | 高端/低端，H 桥 |
| 输入类型： | SPI |
| 输出数： | 8 |
| 导通状态电阻： | 1.2 欧姆 |
| 电流 - 峰值输出： | 350mA |
| 电源电压： | 3.15 V ~ 5.25，5.5 V ~ 28 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 带卷 (TR) |
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NCV7608
Figure 28. Open Load Diagnostic Principle
Figure 29. Open Load Circuitry as Low Side Driver
Open Load Diagnostic Performance
System design sometimes requires open load diagnostics
to be turned off to prevent unintended operation. Input Bits
8 ? 15 control this function.
One application example would be driving LED’s.
Leaving the diagnostic circuitry turned on would result in
visible illumination of the LED’s because of the currents
used in open load detection. Open load detection may still be
utilized by testing at low time intervals.
Miscellaneous
Enable
A logic low on EN puts the device in a current saving
mode. Quiescent current (V CC ) with EN low is less than
5 m A. A logic high on EN powers up the device allowing
Figure 30. Open Load Circuitry as High Side
Driver
operation through the parallel inputs (IN5...IN8). An
internal pulldown resistor is provided to ensure device
turn ? off in the event the enable signal is lost.
A low on EN will result in a power ? on ? reset to the logic.
All outputs will be shut off and all registers reset.
Loss of Ground
The NCV7608 output drivers will not be active during a
loss of ground condition. No damage to the device will occur
during this condition for VS less than or equal to 16 V.
Diagnostic Implementation
To provide maximum flexibility in using the device as an
H ? Bridge driver, a current ratio between the HS and LS
diagnostic currents is implemented (the diagnostic source
current is always higher in magnitude than the diagnostic
http://onsemi.com
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| NCV7680 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Linear Current Regulator and Controller for Automotive LED Rear Combination Lamps |
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