参数资料
型号: MC33874BPNAR2
厂商: Freescale Semiconductor
文件页数: 1/38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)
Freescale Semiconductor
Advance Information
Quad High Side Switch
(Quad 35m Ω )
The 33874 is one in a family of devices designed for low-voltage
automotive and industrial lighting and motor control applications. Its
four low R DS(ON) MOSFETs (four 35m Ω ) can control the high sides of
four separate resistive or inductive loads.
Programming, control, and diagnostics are accomplished using a
16-bit SPI interface. Additionally, each output has its own parallel input
for pulse-width modulation (PWM) control if desired. The 33874 allows
the user to program via the SPI the fault current trip levels and duration
of acceptable lamp inrush or motor stall intervals. Such
programmability allows tight control of fault currents and can protect
wiring harnesses and circuit boards as well as loads.
The 33874 is packaged in a power-enhanced 12 x 12 nonleaded
Power QFN package with exposed tabs.
Features
? Quad 35m Ω high side switches (at 25°C)
? Operating voltage range of 6.0V to 27V with standby current <
5.0 μ A
? SPI control of over-current limit, over-current fault blanking time,
output OFF open load detection, output ON / OFF control,
Document Number: MC33874
Rev. 9.0, 8/2008
33874
HIGH SIDE SWITCH
PNA SUFFIX (PB_FREE)
98ART10510D
24-PIN PQFN (12 x 12)
Device
watchdog timeout, slew rates, and fault status reporting
? SPI status reporting of over-current, open and shorted loads,
over-temperature, under-voltage and over-voltage shutdown,
fail-safe pin status, and program status
ORDERING INFORMATION
Temperature
Range (T A )
Package
? Analog current feedback with selectable ratio
MC33874BPNA/R2
- 40°C to 125°C
24 PQFN
? Analog board temperature feedback
? Enhanced -16V reverse polarity V PWR protection
? Pb-free packaging designated by suffix code PNA
VDD
VDD
VPWR
VDD
VPWR
33874
VDD
WAKE
VPWR
HS0
SO
SCLK
SI
SCLK
LOAD 0
MCU
CS
SI
I/O
I/O
I/O
I/O
CS
SO
RST
FS
IN0
IN1
HS1
HS2
LOAD 1
LOAD 2
I/O
IN2
I/O
IN3
HS3
A/D
GND A/D
CSNS
TEMP
FSI
GND
LOAD 3
Figure 1. 33874 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
? Freescale Semiconductor, Inc., 2006-2008. All rights reserved.
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