HIP4082IBZTR5676

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The HIP4082IBZTR5676 is part of TI’s voltage range enhancement (VRE) devices line and is a low-voltage, high-performance, dual-channel, MOSFET gate driver. This MOSFET driver acts as the interface between low-voltage circuits and high-voltage power MOSFETs and IGBTs for automotive and industrial applications. The device consists of two input/output stages that have low return-current data and status-flag outputs for both channels. It also has built-in protection for overtemperature, overtemperature latch-off, cross-conduction, and under-voltage lockout (UVLO).

Application Field of HIP4082IBZTR5676

The HIP4082IBZTR5676 is suitable for use in a wide variety of power electronic applications such as motor drives, converters, inverters, and various real-time digital control systems. It is also well-suited for use in any applications that require driving high-side and/or low-side MOSFETs/IGBTs. These applications typically are switching power supplies, AC/DC and DC/DC converters, solar inverters, and motor control drives. Due to its low return-current and low jitter performance, it is also well-suited for use in automotive body control systems.

Working Principle of HIP4082IBZTR5676

The HIP4082IBZTR5676 dual-channel MOSFET gate driver is typically connected to the "input" side of each MOSFET or IGBT. Its dual outputs then drive the gates of the high-side and low-side MOSFET/IGBT, respectively. The device has two independent ripple-current buffer stages followed by a low-resistance driver stage. This helps increase output current to drive the gate of the MOSFET/IGBT devices. The active-low fault input pin helps protect the driver circuits from overcurrent by disabling both channels when fault is asserted. Additionally, the UVLO threshold features delay the driver outputs until the DC power supply rises above a predetermined level. This protects against false switching of the MOSFET/IGBT due to low power supply.

The device also features soft start circuitry, which helps to reduce the inrush current when the power supply is turned on. Additionally, there is a thermal shutdown circuit to protect the driver circuit against overtemperature conditions by stopping the switching of the MOSFET/IGBT. In summary, the HIP4082IBZTR5676 is an excellent choice for automotive and industrial applications requiring a high-performance, high-current MOSFET and IGBT gate driver.

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