Datasheet > ATA6832_10

ATA6832_10

更新时间： 2022-10-12 01:06:30

品牌	Logo	应用领域
爱特美尔 - ATMEL		驱动器
页数	文件大小	规格书
17页	375K
描述
Three Half-bridge Outputs Formed by Three High-side and Three Low-side Drivers

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ATA6832_10 数据手册

Features

• Supply Voltage up to 40V

• R_DSonTypically 0.8Ω at 25°C, Maximum 1.8Ω at 200°C

• Up to 1.0A Output Current

• Three Half-bridge Outputs Formed by Three High-side and Three Low-side Drivers

• Capable of Switching Loads such as DC Motors, Bulbs, Resistors, Capacitors, and

Inductors

• PWM Capability up to 25 kHz for Each High-side Output Controlled by External PWM

Signal

High

• No Shoot-through Current

• Outputs Short-circuit Protected

Temperature

Triple

Half-bridge

Driver with SPI

and PWM

• Selective Overtemperature Protection for Each Switch and Overtemperature

Prewarning

• Undervoltage Protection

• Various Diagnostic Functions such as Shorted Output, Open Load, Overtemperature

and Power-supply Fail Detection

• Serial Data Interface, Daisy Chain Capable, up to 2 MHz Clock Frequency

• QFN18 Package

1. Description

The ATA6832 is a fully protected driver IC specially designed for high temperature

applications. In mechatronic solutions, for example turbo charger or exhaust gas recir-

culation systems, many flaps have to be controlled by DC motor driver ICs which are

located very close to the hot engine or actuator where ambient temperatures up to

150°C are usual. Due to the advantages of SOI technology junction temperatures up

to 200°C are allowed. This enables new cost effective board design possibilities to

achieve complex mechatronic solutions.

ATA6832

The ATA6832 is a triple half-bridge driver to control up to 3 different loads by a micro-

controller in automotive and industrial applications. Each of the 3 high-side and 3

low-side drivers is capable of driving currents up to 1.0A. Due to the enhanced PWM

signal (up to 25 kHz) it is possible to generate a smooth control of, for example, a DC

motor without any noise. The drivers are internally connected to form 3 half-bridges

and can be controlled separately from a standard serial data interface, enabling all

kinds of loads, such as bulbs, resistors, capacitors and inductors, to be combined.

The IC design especially supports the application of H-bridges to drive DC motors.

Protection is guaranteed with respect to short-circuit conditions, overtemperature and

undervoltage. Various diagnostic functions and a very low quiescent current in

standby mode enable a wide range of applications. Automotive qualification (protec-

tion against conducted interferences, EMC protection and 1.5-kV ESD protection)

gives added value and enhanced quality for exacting requirements of automotive

applications.

4951F–AUTO–07/10

12 3 4 5 6 7...17

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