TC4467COE713

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TC4467COE713 is a monolithic dual full-bridge gate driver, developed by Microchip Technology Inc., widely used in PMIC - Gate Drivers applications. It takes up minimal board space and provides multiple features for controlling the power transistors and has a low quiescent current to reduce power consumption. The device provides protection from a wide range of failure events to protect the external components from damage and ensures safe operation.

Features

The TC4467COE713 device is designed to drive two, full-bridge power stages. It provides two high-side driver outputs capable of supplying up to 50 mA peak gate drive current. It is designed to control the speed and direction of the motor. The device also provides a low side driver output capable of driving an external low side controlled switch, enable pin and enable circuitry to control the forward/reverse direction of the motor. The enable pin includes an open-drain output driver to control the PWM or other enable/disable functions. The enable pin is also used to provide an accurate operating speed even when the temperature changes and to improve battery efficiency by enabling the power stage(s) only when required.

The TC4467COE713 device also includes a Status LEDs system, which allows the user to quickly and easily monitor the activity and state of the power stage. The device integrates two fault monitors, allowing the user to easily monitor the current and voltage state of the power transistors and detect any unsafe conditions in the system. The device also provides protection from over-current conditions, under-voltage and over-voltage conditions.

Working Principle

The TC4467COE713 works by using its driver outputs to switch the full bridge power stages on and off, thereby controlling the speed and direction of the motor. When the enable pin is set to active state, the two high-side drivers supply a positive voltage on the gate of the power transistors, switching them on, while the two low-side drivers supply ground to the gates of the power transistors, turning them off.

The device also allows the user to control the direction of the motor by controlling the level of the enable pin. When the enable pin is set to active state, the drivers output will inhibit the current flow in the reverse direction. When the enable pin is set to inactive state, the drivers output will supply ground to the gates of the power transistors, turning them off. This allows the user to control the speed and direction of the motor.

The TC4467COE713 device also provides a fault monitoring system to detect any unsafe conditions in the system. It integrates two independent fault monitors, which monitor the current and voltage state of the power transistors and detect any unsafe conditions. When an unsafe condition is detected, the device will shut down the power stage and cut off power supply to prevent any additional damages.

Applications

The TC4467COE713 is widely used in a wide range of applications, including motor control, which are applicable to various types of automotive, medical, industrial, and commercial products. It can be used to control the speed and direction of motors in various applications, including electric vehicles, washers, dryers, pumps, fans, and compressors. It is also used in battery-operated applications where its low quiescent current helps reduce power consumption and extend battery life.

The device is also used in power management applications, as it configures smart power stage features, like integrative current sensing, thermal shutdown, and under-voltage lockout. It can also provide fault monitoring and protection against over-current, over-voltage, and under-voltage conditions.

The TC4467COE713 device is a versatile, easy to use, and cost-effective integrated circuit solution for controlling multiple power transistors in today’s modern technologies. With its low quiescent current and high-performance driver outputs, it is an excellent choice for a wide range of PMIC - Gate Drivers applications.

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