Full Bridge Gate Driver

  четверг 30 августа
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Motor driver for home appliances Factory automation Industrial drives and fans HID ballasts Power supply units Description The L6393 is a high voltage device manufactured with the BCD™ “offline” technology. It is a single chip half bridge gate driver for the N-channel power MOSFET or IGBT. Gate Driver ICs have a variety of configurations (high side, low side, half. Full Bridge Drivers Three Phase Drivers Driver Boards Gate Driver Support ICs.

The MLX83100 is a two-phase pre-driver (also called bridge driver or gate driver) IC with integrated current sense amplifier. This device is used to drive brushed DC motors in combination with a microcontroller and four discrete power N-FETs. This device is able to control four external N-FETs for full H-bridge control in the supply range from 4.5 volt to 28 volt, by means of the integrated charge pump.

The high side gate drivers are supplied via bootstrap circuits. The trickle charge pump allows 100% pulse width modulation (PWM) operation despite the use of bootstrap capacitors. The bootstrap voltage regulator is optimized for gate charges up to 500 nC per FET at 20 kHz PWM. Our MLX83100 pre-driver comprises various monitoring and protection functions, including undervoltage and overvoltage detection at multiple internal voltage nodes, over temperature detection, and drain-source and gate-source voltage monitoring of the external N-FETs. In case of fault detection, the serial ICOM diagnostics interface will inform the microcontroller with a PWM signal, where the duty cycle indicates the nature of the error.

An integrated fast, high-bandwidth, low offset current sense amplifier allows for precise torque control, with programmable gain selection. The MLX83100 provides an EEPROM for configurability, avoiding the need for a high pin-count package.

Koleso umenij heroes 5. The configuration allows the customer to optimize the pre-driver’s operation for different applications. For brushless (BL)DC applications see also the of the same pre-driver family. For sensorless BLDC applications see also our embedded-MCU BLDC controllers MLX812xx family.