参数资料
型号: MC33984BPNAR2
厂商: Freescale Semiconductor
文件页数: 4/39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)
PIN CONNECTIONS
PIN CONNECTIONS
12 11 10 9 8
7
6 5
4
3 2
1
13
GND
TRANSPARENT
TOP VIEW
14
VPWR
15
HS1
16
HS0
Figure 3. 33984 Pin Connections (Transparent Top View)
Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on page 17 .
Table 2. Pin Definitions
Pin
1
Pin Name
CSNS
Pin
Function
Output
Formal Name
Output Current Monitoring
Definition
This pin is used to output a current proportional to the designated
HS0-1 output.
2
WAKE
Input
Wake
This pin is used to input a Logic [1] signal so as to enable the
watchdog timer function.
3
RST
Input
Reset (Active Low)
This input pin is used to initialize the device configuration and fault
registers, as well as place the device in a low current Sleep mode.
4
5
IN0
FS
Input
Output
Direct Input 0
Fault Status (Active Low)
This input pin is used to directly control the output HS0.
This is an open drain configured output requiring an external pull-up
resistor to VDD for fault reporting.
6
FSI
Input
Fail-safe Input
The value of the resistance connected between this pin and ground
determines the state of the outputs after a watchdog timeout occurs.
7
CS
Input
Chip Select (Active Low)
This input pin is connected to a chip select output of a master
microcontroller (MCU).
8
SCLK
Input
Serial Clock
This input pin is connected to the MCU providing the required bit shift
clock for SPI communication.
9
SI
Input
Serial Input
This is a command data input pin connected to the SPI Serial Data
Output of the MCU or to the SO pin of the previous device of a daisy
chain of devices.
10
VDD
Input
Digital Drain Voltage
This is an external voltage input pin used to supply power to the SPI
(Power)
circuit.
33984
Analog Integrated Circuit Device Data ?
4
Freescale Semiconductor
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