Description
ATA6843/ATA6844 BLDC Motor Driver and LIN System Basis Chip DATASHEET .
The Atmel® ATA6843 and Atmel ATA6844 are system basis chips for three-phase brushless DC motor controllers designed in Atmel’s state-of-the-art 0.
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
Applications
* In addition, the circuits provide a 3.3V/5V linear regulator and a window watchdog. The circuit includes various control and protection functions like overvoltage and overtemperature protection, short circuit detection, and undervoltage management. Thanks to these function blocks, the driver fulfil
