Ata6823 H-bridge Gate Driver With Lin Transceiver, Watchdog, And 5v Regulator

ATA6823 is designed specifically for automotive applications that require high-power motors. It provides four high-current Gate driver outputs capable of driving a wide range of n-channel Power MOSFETs in a full-bridge configuration. A fully integrated Charge Pump with external capacitors provides the Gate voltage for the high-side output stages. ATA6823 supports low-speed LIN-data Communication up to 20 kBaud in compliance with LIN specification 2.0 using a built-in LIN transceiver. Protection features include undervoltage/overvoltage detection and shutdown, overtemperature shutdown, and short circuit detection of motor leads to battery voltage and to ground. Shoot-through protection is guaranteed using a dead-time adjustment which CAN be set by hardware. 2. Application Board The ATA6823 application board allows the running of a DC motor. The supply voltage is 8V to 18V, maximum power of the DC motor is limited by the external H-bridge MOSFETs No Microcontroller is implemented on-board. It is possible to control the motor either via an external Microcontroller (with or without LIN bus), or directly (using the DIR and PWM pins).
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ATA6823 Application Board Schematic
ATA6823 Application Board Schematic

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