ATA6824-MFHW datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Other integrated circuit (IC)> The signal circuit> ATA6824-MFHW

ATA6824-MFHW: DescriptionHigh Temperature H-bridge Motor Driver; CategoryOther integrated circuit (IC) The signal circuit; File Size381KB，25 Pages; ManufacturerAtmel (Microchip)

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ATA6824-MFHW Overview

High Temperature H-bridge Motor Driver

ATA6824-MFHW Parametric

Parameter Name	Attribute value
Maker	Atmel (Microchip)
Parts packaging code	QFP
package instruction	HTQFP,
Contacts	32
Reach Compliance Code	unknown
ECCN code	EAR99
Analog Integrated Circuits - Other Types	BRUSH DC MOTOR CONTROLLER
JESD-30 code	S-PQFP-G32
length	7 mm
Number of functions	1
Number of terminals	32
Maximum operating temperature	150 °C
Minimum operating temperature	-40 °C
Maximum output current	0.35 A
Package body material	PLASTIC/EPOXY
encapsulated code	HTQFP
Package shape	SQUARE
Package form	FLATPACK, HEAT SINK/SLUG, THIN PROFILE
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	22.7 V
Minimum supply voltage (Vsup)	6.8 V
Nominal supply voltage (Vsup)	7.3 V
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD
width	7 mm
Base Number Matches	1

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Features

•

PWM and Direction-controlled Driving of Four Externally-powered NMOS Transistors

High Temperature Capability up to 200°C Junction

A Programmable Dead Time Is Included to Avoid Peak Currents Within the H-bridge

Integrated Charge Pump to Provide Gate Voltages for High-side Drivers and to Supply

the Gate of the External Battery Reverse Protection NMOS

5V/3.3V Regulator and Current Limitation Function

Reset Derived From 5V/3.3V Regulator Output Voltage

A Programmable Window Watchdog

Battery Overvoltage Protection and Battery Undervoltage Management

Overtemperature Warning and Protection (Shutdown)

High Voltage Serial Interface for Communication

QFN32/TPQFP Package

1. Description

The ATA6824 is designed for DC motor control application in automotive high temper-

ature environment like in mechatronic assemblies in the vicinity of the hot engine, e.g.

turbo charger. With a maximum junction temperature of 200°C, ATA6824 is suitable

for applications with an ambient temperature up to 150°C.

The IC includes 4 driver stages to control 4 external power MOSFETs. An external

microcontroller provides the direction signal and the PWM frequency. In PWM opera-

tion, the high-side switches are permanently on while the low-side switches are

activated by the PWM frequency. ATA6824 contains a voltage regulator to supply the

microcontroller; via the input pin VMODE the output voltage can be set to 5V or 3.3V

respectively.

The on-chip window watchdog timer provides a pin-programmable time window. The

watchdog is internally trimmed to an accuracy of 10%. For communication a high volt-

age serial interface with a maximum data range of 20 kBaud is integrated.

High

Temperature

H-bridge Motor

Driver

ATA6824

4931G–AUTO–04/09

ATA6824-MFHW Related Products

	ATA6824-MFHW	ATA6824_09
Description	High Temperature H-bridge Motor Driver	High Temperature H-bridge Motor Driver

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