LM25101CMA/NOPB

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PMIC - Gate Drivers

The LM25101CMA/NOPB is a monolithic gate driver integrated circuit in a space-saving 4-pin SOT-223 package. It is designed to deliver robust gate drive signals to a wide variety of power control devices, including an array of power MOSFETs and IGBTs. The device features an integrated high-side floating gate driver with a mode selection pin. The high-side driver can be used to control two independent devices, allowing true half-bridge configurations. The device operates with a supply voltage from 9V to 23V and provides eight control levels for single-end and four for differential-end control.

The on-board charge pump enables the supply voltage to be higher than the maximum ratings. Fault and current limit protection features provide additional system-level protection. With a wide supply voltage range and a low quiescent current of 2.2mA, LM25101CMA/NOPB is ideal for high-efficiency applications. The device is optimized to minimize losses in switching time and satisfy the requirements of various applications. With improved design and thermal productivity, the LM25101CMA/NOPB automates power control systems.

When used in High-Side Gate Driver applications, the LM25101CMA/NOPB offers a simplified solution for high current switching with a bias voltage of up to 450V, eliminating the need for an external floating supply for the gate driver. The device has two input signals: first, the logic signal, which is buffered and inverted, and second, the bias voltage, also known as the voltage rail. The combination of these two inputs can create a range of levels depending on the application.

The LM25101CMA/NOPB has two built-in protection features. The first is an over-temperature protection feature which will trip the device when the junction temperature exceeds 130°C. The second feature is an over-current protection feature which will trip the output upon detection of an over-current condition. This feature prevents damage to the device itself by disabling the device when an excessive current is detected.

The LM25101CMA/NOPB can be used in a variety of applications, ranging from smart appliances, automotive power modules, to power supplies. The high-side floating gate driver can be used in switching power supplies and offline SMPS. The device is also suitable for applications such as motor control, LED driving, and industrial motor drives. With its low quiescent current, the LM25101CMA/NOPB is also suitable for battery-powered devices such as handheld electronics and mobile devices.

The LM25101CMA/NOPB is designed to provide robust and reliable gate drive for a variety of power control devices. The device is designed to reduce the number of external components and simplify designs for faster time-to-market. The integrated high-side floating gate driver with mode selection pin, the on-board charge pump, the variety of control levels, and the over-temperature and over-current protection features make the device an ideal choice for a wide range of applications.

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