Description
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 0.8µm SOI technology SMART-I.S.™1.
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 m.
ATA6844 Datasheet
