参数资料
| 型号： | NCV7608DWR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 21/27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
sink current). Equal diagnostic currents would result in
unpredictable results due to process variation.
Timing Information
Open Load
Open Load is reported if open load is enabled and an open
load fault exists.
Open Load is not a latched condition and is not reported
when drivers are on.
To be captured, Open Load must be present when CSB goes
low.
* SPI Driver Enable bit = 0 and associated INx = 0
CSB
SO
OL enabled
Driver Off*
No Fault
OL enabled
Driver Off
?Fault
OL enabled
Driver Off
?No Fault
OL enabled
Driver Off
Fault
OL enabled
Driver Off
?No Fault
OL enabled
Driver On
?Fault
OL disabled
Driver Off
No Fault
OL disabled
Driver On
No Fault
No Open
Load Exists
Open Load
Exists
Open Load
Absent
Open Load
Exists
Open Load
Absent
Open Load
Exists
Driver
Turns On
Driver
Turns
On
Figure 31. Open Load Timing Diagram
Over Current
Over current is reported if the drivers’ over current
detection threshold is breached.
The driver is latched off after 100 m s from the over current
detection.
To reset the driver status bit for over current, a valid SPI
frame with ENx = 0 is required. This will reset the driver
status bit and the driver can be turned back on in the next
valid SPI frame.
CSB
SO
Driver On
No Fault
Driver On
? Fault
Driver Off
Fault
Driver On
No Fault
No Over Current
Detected.
Over Current detected
Driver latched off
Over current
condition is
removed
Fault is Reset
INx=0
Driver Turns On
Figure 32. Over Current Timing Diagram
Thermal Warning and Thermal Shutdown
Thermal Warning is reported in bit #0 when the die
temperature goes above 145 ° C (typ)
and does not fall below 145 ° C (typ) – 30 ° C hysteresis
(typ). Thermal Warning is only sampled and reported when
CSB is low.
The driver status is reset if the die temperature falls below
175 ° C (typ) – 30 ° C (typ) and a valid SPI frame with the
Driver(s) x Enable bit = 0. The driver(s) can then be turned
on in the next valid SPI frame with the Driver x Enable(s) =
1.
Thermal Shutdown will turn off the two drivers associated
with the thermal sensor when the die temperature is above
175 ° C (typ). The driver status bit will be latched.
http://onsemi.com
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