参数资料
型号: MC33984BPNAR2
厂商: Freescale Semiconductor
文件页数: 23/39页
文件大小: 0K
描述: IC SWITCH HI SIDE DUAL 16-PQFN
标准包装: 1,200
类型: 高端
输入类型: SPI
输出数: 2
导通状态电阻: 4 毫欧
电源电压: 6 V ~ 27 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-PowerDFN
供应商设备封装: 16-PQFN(12x12)
包装: 带卷 (TR)
FUNCTIONAL DEVICE OPERATION
GROUND DISCONNECT PROTECTION
In the event the 33984 ground is disconnected from load
ground, the device protects itself and safely turns OFF the
output regardless the state of the output at the time of
Table 8. Device Behavior in Case of Under-voltage
disconnection. A 10 k resistor needs to be added between
the wake pin and the rest of the circuitry in order to ensure
that the device turns off in case of ground disconnect, and to
prevent this pin from exceeding its maximum ratings
High Side
Switch
(VPWR Battery
Voltage) ??
State
UV Enable UV Enable UV Enable UV Enable
IN = 0 IN = 0 IN ??? = 1 IN ??? = 1
(Falling VPWR) (Rising VPWR) (Falling VPWR) (Rising VPWR)
UV Disable
IN = 0
(Falling or
Rising VPWR)
UV Disable
IN ??? = 1
(Falling or
Rising VPWR)
VPWR >
VPWRUV
Output State
FS State
SPI Fault
OFF
1
0
OFF
1
1 until next read
ON
1
0
OFF
0
1
OFF
1
0
ON
1
0
Register UVF
Bit
VPWRUV >
VPWR >
UVPOR
Output State
FS State
SPI Fault
OFF
0
1
OFF
0
1
OFF
0
1
OFF
0
1
OFF
1
0
ON
1
0
Register UVF
Bit
UVPOR >
VPWR >
2.5 V ?
Output State
FS State
OFF
1
OFF
1
OFF
1
OFF
1
OFF
1
ON
1
SPI Fault
1 until next read
1
1 until next read 1 until next read
0
0
Register UVF
Bit
2.5 V > VPWR
>0V
Output State
FS State
OFF
1
OFF
1
OFF
1
OFF
1
OFF
1
OFF
1
SPI Fault
1 until next read 1 until next read 1 until next read 1 until next read
0
0
Register UVF
Bit
Comments
UV fault is
not latched
UV fault is
not latched
UV fault
is latched
? Typical value; not guaranteed ?
?? While VDD remains within specified range.
???? = IN is equivalent to IN direct input or IN_spi SPI input.
33984
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
23
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