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33486A

Description
dual high-side switch for H-bridge applications
File Size782KB,30 Pages
ManufacturerFREESCALE (NXP)
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33486A Overview

dual high-side switch for H-bridge applications

Freescale Semiconductor
Technical Data
Document order number:
MC33486A
Rev 2.0, 12/2005
Dual High-Side Switch for
H-Bridge Applications
This 33486A is a self-protected dual 15 mΩ high-side switch that
incorporates a dual low-side switch control and protection features.
This device is used to replace electromechanical relays and discrete
devices in power management applications. It is designed for typical
DC-motor control in an H-Bridge configuration.
The 33486A can directly interface with a microcontroller for control
and diagnostic functions. It is PWM-capable and has a self-adjusting
switching speed for minimizing electromagnetic emission.
Features
Dual 15 mΩ High-Side Switch with Dual Low-Side Control
10 A Nominal DC Current
8.0 V to 28 V Operating Voltage with Standby Current < 10
µA
High-Side Overtemperature Protection
High-Side and Low-Side Overcurrent Protection
Current Recopy to Monitor High-Side Current
PWM Capability up to 30 kHz
Common Diagnostic Output
Overvoltage and Undervoltage Detection
Cross-Conduction Management
33486A
DUAL HIGH-SIDE SWITCH
DH SUFFIX
98ASH70702A
20-TERMINAL HSOP
ORDERING INFORMATION
Device
MC33486ADH/R2
Temperature
Range (T
A
)
-40°C to 125°C
Package
20 HSOP
5.0 V
5.0 V
33486A
V
BAT
VBAT
ST
IN1
IN2
WAKE
Cur R
OUT2
GLS2
OUT1
GLS1
MCU
GND
GND
Figure 1. 33486A 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., 2005. All rights reserved.
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