MCZ33285EF

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The MCZ33285EF is a series of gate drivers developed by ON Semiconductor. It is designed to provide a low RDS-on performance at low supply voltages. Commonly known as a PMIC (Power Management Integrated Circuit), the MCZ33285EF offers a comprehensive range of features, including a wide input voltage range, a wide input current range, and a wide temperature range. This makes it ideal for use in applications such as automotive, medical, and industrial.

The MCZ33285EF is a gate driver with a PMOS transistor pre-driver, designed to drive high-side FETs up to 30V at 360khz. This device is designed to provide a low RDS-on, low noise, and leakage output for driving MOSFETs. Additionally, it can accept 3.3V or 5V logic signals, allowing compatibility with a variety of input signals, signaling interfaces, and system designs.

The MCZ33285EF is also designed to offer a configurable over-current protection, allowing the device to be quickly and safely shut down when high current is detected. Additionally, it features an over-temperature protection function, enabling the device to be shut down when the temperature reaches above the safe range. This allows the device to protect itself from overheating, delivering a high level of reliability in demanding operating conditions.

In order to effectively drive the high-side FETs, the device provides a gate voltage of up to 15V, with a minimum gate resistance of 0.2ohm. This means that the FETs can be driven quickly, reducing the time to switch transistors. Additionally, the device has a very low standby current of 10µA and a minimum operating voltage of 2.5V. This makes it suitable for use in low-power system applications.

The device integrated a thermal shutdown circuit that prevents the device from operating when the temperature reaches above the threshold value of the sensors. This is particularly important in applications in which the MOSFETS may be exposed to high temperatures. Additionally, it features an internal pull-down to ground, which prevents leakage of the gate signal when no signal is applied to the control inputs.

In summary, the MCZ33285EF gate driver is a versatile, power-packed PMIC designed to drive high-side FETs. It features a wide input voltage and current range, a wide temperature range, over-current and over-temperature protection functions, a gate voltage up to 15V, and a low standby current of 10µA. Combined, these features make it a perfect choice for powering MOSFETs in a wide variety of applications.

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