ATA6844_14 datasheet(1/27 Pages) ATMEL

Part #	ATA6844

Description	BLDC Motor Driver and LIN System Basis Chip

Download	27 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

Logo

1 / 27 page

9189J-AUTO-05/14

Features

● Broad operation voltage range from 5.25V to 32V

● Atmel® ATA6843 temperature range TJ = 150°C

● Atmel ATA6844 extended temperature range TJ = 200°C

● Direct driving of six external NMOS transistors with a maximum switching

frequency of 50kHz

● Integrated charge pump to provide gate voltages for high-side drivers and to supply

the gate of the external battery reverse protection NMOS

● Built-in 5V/3.3V voltage regulator with current limitation

● Reset signal for the microcontroller

● Sleep Mode with supply current of typically < 45µA

● Wake-up via LIN bus or high voltage input

● Programmable window watchdog

● Battery overvoltage protection and battery undervoltage management

● Overtemperature warning and protection (shutdown)

● Jump start compatible

● 200mA peak current for each output driver

● LIN transceiver conformal to LIN 2.1 and SAEJ2602-2 with outstanding EMC and

ESD performance

● QFN48 package 7mm

× 7mm

ATA6843/ATA6844

BLDC Motor Driver and LIN System Basis Chip

DATASHEET

Similar Part No. - ATA6844_14

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	ATA6842	661Kb / 29P	Automotive Failsafe System IC
	ATA6842-PLQW	661Kb / 29P	Automotive Failsafe System IC
	ATA6842-PLSW	661Kb / 29P	Automotive Failsafe System IC
	ATA6843	1Mb / 27P	BLDC Motor Driver and LIN System Basis Chip

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	ATA6833	600Kb / 25P	BLDC Motor Driver and LIN System Basis Chip
	ATA6833	666Kb / 27P	BLDC Motor Driver and LIN System Basis Chip
	ATA6843	1Mb / 27P	BLDC Motor Driver and LIN System Basis Chip
Freescale Semiconductor...	MC33911	1Mb / 92P	LIN System Basis Chip with DC Motor Pre-driver
	33911	827Kb / 45P	LIN System Basis Chip with DC Motor Pre-driver
	33912	870Kb / 47P	LIN System Basis Chip with DC Motor Pre-driver and Current
	MC33912	2Mb / 94P	LIN System Basis Chip with DC Motor Pre-driver and Current Sense
ATMEL Corporation	ATA664151	1Mb / 50P	LIN System Basis Chip with LIN Transceiver
NXP Semiconductors	UJA1079	332Kb / 45P	LIN core system basis chip Rev. 02-27 May 2010
NXP Semiconductors	UJA1079A	337Kb / 46P	LIN core system basis chip Rev. 2 ??31 January 2011