参数资料
型号: MC33874BPNAR2
厂商: Freescale Semiconductor
文件页数: 3/38页
文件大小: 0K
描述: IC SW QUAD HI SIDE 35MOHM 24PQFN
标准包装: 1,200
类型: 高端
输入类型: SPI
输出数: 4
导通状态电阻: 35 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: 24-PowerQFN
供应商设备封装: 24-PQFN(12x12)
包装: 带卷 (TR)
PIN CONNECTIONS
PIN CONNECTIONS
Transparent Top View of Package
13 12 11 10
9
8
7
6
5
4
3
2
1
SO
16
24
FSI
GND
HS3
17
18
14
GND
23
22
GND
HS2
15
VPWR
19
HS1
20
NC
21
HS0
Figure 3. 33874 Pin Connections
Table 1. 33874 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 15 .
Pin
Number
1
Pin Name
CSNS
Pin
Function
Output
Formal Name
Output Current
Definition
The Current Sense pin sources a current proportional to the designated
Monitoring
HS0 : HS3 output.
2
3
IN0
IN1
Input
Parallel Inputs
The IN0 : IN3 high side input pins are used to directly control HS0 : HS3 high
side output pins, respectively.
5
6
IN2
IN3
4
TEMP
Output
Temperature
This pin reports an analog value proportional to the temperature of the GND
Feedback
flag (pins 14, 17, 23). It is used by the MCU to monitor board temperature.
7
FS
Output
Fault Status
This pin is an open drain configured output requiring an external pull-up
(Active Low)
resistor to VDD for fault reporting.
8
WAKE
Input
Wake
This input pin controls the device mode and watchdog timeout feature if
enabled.
9
RST
Input
Reset
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.
10
CS
Input
Chip Select
This input pin is connected to a chip select output of a master microcontroller
(Active Low)
(MCU).
11
SCLK
Input
Serial Clock
This input pin is connected to the MCU providing the required bit shift clock for
SPI communication.
12
SI
Input
Serial Input
This pin 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.
13
VDD
Power
Digital Drain Voltage
This pin is an external voltage input pin used to supply power to the SPI circuit.
(Power)
33874
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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