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ATA6844_14 Datasheet, PDF (1/27 Pages) ATMEL Corporation – BLDC Motor Driver and LIN System Basis Chip | |||
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ATA6843/ATA6844
BLDC Motor Driver and LIN System Basis Chip
DATASHEET
Features
â Broad operation voltage range from 5.25V to 32V
â Atmel® ATA6843 temperature range TJ = 150°C
â Atmel ATA6844 extended temperature range TJ = 200°C
â Direct driving of six external NMOS transistors with a maximum switching
frequency of 50kHz
â Integrated charge pump to provide gate voltages for high-side drivers and to supply
the gate of the external battery reverse protection NMOS
â Built-in 5V/3.3V voltage regulator with current limitation
â Reset signal for the microcontroller
â Sleep Mode with supply current of typically < 45µA
â Wake-up via LIN bus or high voltage input
â Programmable window watchdog
â Battery overvoltage protection and battery undervoltage management
â Overtemperature warning and protection (shutdown)
â Jump start compatible
â 200mA peak current for each output driver
â LIN transceiver conformal to LIN 2.1 and SAEJ2602-2 with outstanding EMC and
ESD performance
â QFN48 package 7mm à 7mm
9189J-AUTO-05/14
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