MIC4468BWM TR

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MIC4468BWM TR is a PMIC - Gate Drivers model from Microchip Technology Inc. This device consists of a high-side P-channel MOSFET and several integrated functions including a precision-controlled gate driver and a low-side driver. With its wide input voltage operating range from 4V to 28V, it is suitable for a variety of applications in the automotive, led lighting, solar, and industrial markets.

MIC4468BWM Features

• Built-in ESP protection with adjustable slew rate control
• 1.25A continuous output current
• TTL logic-compatible input with internal pull-down
• Voltage range selection
• Power- and fault-signaling outputs
• Over-temperature and open-drain output protection
• Short-circuit current and over-current protection

Application Field

The MIC4468BWM TR is a reliable gate driver that can be used in various applications. It can be used for AC/DC switching such as for lighting and motor drive. It can also be used for DC-DC conversion such as for battery management, solar inverters, and backpack chargers. Furthermore, it can be used for micro-inverters, motor control, and high-power DC/DC converters.

The MIC4468BWM TR offers low RDSon and small package size. It also features both voltage-based and temperature-based shutdown as well as over-current and short-circuit protection. With such features, it is well-suited for applications in the automotive, LED lighting, solar, and industrial markets.

Working Principle

The MIC4468BWM TR is a self-contained, single-channel gate driver. It consists of a high-side P-channel MOSFET, digital logic control inputs and outputs, and several integrated functions including a low-side driver, current monitor, and an adjustable slew rate control.

The driver is configured to drive the high-side MOSFET switch. It includes a high-side driver, which provides a steady current to the gate of the high-side MOSFET switch. An adjustable current-limiting circuit is also included, which monitors the current in the high-side driver, and limits the current to the gate of the MOSFET switch in the event of an overload condition.

The MIC4468BWM TR features an integrated low-side driver. This low-side driver is used to provide a path to ground for the gate of the low-side MOSFET switch, allowing the high-side and low-side switches to be operated together. The low-side driver also provides over-voltage and over-temperature protection for the low-side switch.

In addition, the MIC4468BWM TR also provides power and fault signaling outputs. A PWREN pin is used to control the power-up sequence, while a fault pin is used to indicate an over-temperature or open-drain fault condition.

The MIC4468BWM TR is an ideal choice for driving power MOSFETs in a variety of applications, thanks to its low RDSon, integrated protection features, and wide operating voltage range.

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