TC4423VOE713

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PMIC, or Power Management Integrated Circuit, is an integrated circuit (IC) type that is composed of multiple components, including drivers, regulators and other control circuits. Gate drivers are a part of the PMIC, and they are responsible for powering and controlling power transistors and other analog and digital signal components. The TC4423VOE713 is a three-output MOSFET Gate Driver with over current protection, which helps to protect the operation of the whole system.

The TC4423VOE713 has the following features: A low power supply voltage range of 2.7V - 7.3V (Vcc); The operating temperature range from -40 degrees C to +85 degrees C; Three driver outputs for driving N-channel MOSFETs or P-channel mosfets; The gate drive current of each output is controlled by independent VGS source pins; Over current Protection of up to 8A; A shutdown mode that disables all three outputs; and a logic high voltage (VOH) of up to 6V and logic low voltage (VOL) of down to 0.8V.

The TC4423VOE713 can find a variety of application fields, such as in motor driving, LED lighting, automotive and industrial solutions, medical applications, portable devices, PC and notebook power supplies, etc. As it is robust, small and fast, the driver can be used in areas where high frequency switching is required.

The working principle of the TC4423VOE713 is quite simple. When an external logic signal is applied to the driver’s input, the internal circuitry will start to operate. First, the on-chip LDOs turn on to provide a regulated voltage to power the circuit. Then, the device amplifies the input signal with a controlled output swing, so that the voltage across the drain-source of the FET must remain above the minimum threshold voltage of the FET.

With the help of the TC4423VOE713, users can easily switch on and off power transistors, drive a variety of devices, and realize different control strategies. Apart from the aforementioned features and application fields, the driver integrates other functions, such as the active-low enable that can effectively prevent electrical accidental triggers and restore normal operations, a continuous current limitation and current-sense comparator, as well as a current-limit foldback. In conclusion, the TC4423VOE713 is a reliable and excellent choice of gate driver.

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