HIP4083AB

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Gate drivers are an essential part of Power Management ICs (PMICs). They are used to convert signals from microcontrollers or other logic ICs into higher power signals that can switch power transistors or other high current loads. HIP4083AB is an IC from Texas Instruments that is used for gate driver applications; it is a monolithic high-voltage, high-current three FET gate drive IC. This article will discuss the HIP4083AB application field and working principle.

Application Field

The HIP4083AB is a three FET gate drive IC designed specifically for use in automotive, white goods, motor control applications and more. It is capable of driving three N-Channel MOSFETs with high current and high voltage. The IC can operate in both synchronous and non-synchronous circuits and it is built to handle a wide range of input voltages from 7V to 45V. This makes it a good choice for applications such as motor drives, power converters and power supplies.

HIP4083AB is designed to reduce the board area and minimize power consumption. The output voltage of the IC can be adjusted to three different levels which makes it ideal for controlling sophisticated power control topologies. Most importantly, it is designed to reduce the electromagnetic interference (EMI) in the circuit and make it compliant with EMC standards.

HIP4083AB is a perfect choice for the motor control applications because it can drive both the high and low sides of the H-bridge. The IC is optimized to drive an N-channel MOSFET with a high frequency, up to 4MHz. It also has a low-side MOSFET driver which can drive heterojunction and thin MOSFET. Furthermore, it supports both single and dual-channel control mode.

Working Principle

The HIP4083AB is a three FET gate drive IC that uses two internal charge pumps to generate two independent gate outputs. It uses one high side and two low side MOSFET drivers. The IC is continuously monitoring the inputs regarding the gate voltage and current. If the voltage or current goes over their respective limit, the IC will shut down the output. This prevents the damage caused by any overvoltage or surge.

HIP4083AB is designed to be driven by a PWM signal. When the PWM signal is applied to the IC, the internal charge pumps will generate an output voltage that is higher than the input voltage. This output is then applied to the gate of the MOSFET which turns the transistor on. When the PWM signal is turned off, the charge pumps will reduce the output voltage. This reduces the gate voltage of the MOSFET and turns it off.

HIP4083AB provides protection against various electrical and thermal conditions. The IC uses a thermal protection circuit that monitors the die temperature and will shut off the outputs if it exceeds its limit. The IC also provides built-in protection against over-voltage, under-voltage, short-circuit and reverse-current. Moreover, the IC has EMI protection and low power standby mode.

In conclusion, the HIP4083AB from Texas Instruments is a monolithic three FET gate drive IC designed specifically for automotive, white goods and motor control applications. It is capable of driving three N-Channel MOSFETs with high current and high voltage and it is optimized for high speed switching. Moreover, it provides numerous features such as protection against EMI, overvoltage, undervoltage and thermal conditions.

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