参数资料
型号: MCZ33291LEG
厂商: Freescale Semiconductor
文件页数: 3/26页
文件大小: 0K
描述: IC SWITCH 8X LOSIDE W/SPI 24SOIC
标准包装: 30
类型: 低端
输入类型: SPI
输出数: 8
导通状态电阻: 1.1 欧姆
电流 - 输出 / 通道: 500mA
电流 - 峰值输出: 3A
电源电压: 9 V ~ 26.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
PIN CONNECTIONS
PIN CONNECTIONS
OP7
OP6
SCLK
SI
GND
GND
GND
GND
SO
CS
OP5
OP4
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
OP0
OP1
RST
VPWR
GND
GND
GND
GND
VDD
SFPD
OP2
OP3
Figure 3. 33291L Pin Connections
Table 2. 33291L Pin Definitions
PIN
NUMBER
1
2
3
4
PIN NAME
OP7
OP6
SCLK
SI
FORMAL NAME
Output 7
Output 6
System Clock
Serial Input
DEFINITION
Connection to drain of output MOSFET number seven.
Connection to drain of output MOSFET number six.
Clocks the internal Shift registers of the 33291L.
This pin is for the input of serial instruction data. SI information is read on the falling
edge of SCLK.
5 – 8, 17 – 20
9
10
GND
SO
CS
Ground
Serial Output
Chip Select
Connection to IC Power Ground and functions as part of heat sinking path.
Tri-stateable output from the Shift register.
Whenever this pin is in a logic low state, data can be transferred from the MCU to
the 33291L through the SI pin and from the 33291L to the MCU through the SO pin.
11
12
13
14
15
16
21
OP5
OP4
OP3
OP2
SFPD
VDD
VPWR
Output 5
Output 4
Output 3
Output 2
Short Fault
Protect Disable
Logic Supply
Output MOSFET
Connection to drain of output MOSFET number five.
Connection to drain of output MOSFET number four.
Connection to drain of output MOSFET number three.
Connection to drain of output MOSFET number two.
This pin is used to prevent the outputs from latching-OFF because of an over-current
condition.
Plus supply for logic.
Main power supply.
Gate Drive Supply
22
RST
Reset
This pin is active low. It is used to clear the SPI Shift register, thereby setting all
output switches OFF .
23
24
OP1
OP0
Output 1
Output 0
Connection to drain of output MOSFET number one.
Connection to drain of output MOSFET number zero.
33291L
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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