MP8763GL-Z

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MP8763GL-Z Application Field and Working Principle

MP8763GL-Z is a multi-system power supply controller series offered by Texas Instruments (TI). It is a part of the Simple Switcher family that is designed for synchronous DC/DC buck converters providing high-efficiency, high current output and excellent output voltage accuracy performance. The MP8763GL-Z series is mainly intended for high current applications, such as notebook computers, servers, personal computers, cellular base stations and telecom equipment.

The MP8763GL-Z series is a control IC that integrates a voltage regulator, an optimized driver, a multiplier, and logic in an 8-pin package. It is designed to provide highly efficient 3-phase Synchronous rectification with a 2:1 duty ratio and integrated self-boot operation. It is an ideal choice for use in high current, low profile applications. This chip operates over an input voltage range of 2.5V to 6V and offers excellent output voltage accuracy of ±1.5%.

The MP8763GL-Z series is categorized under PMIC – Voltage Regulators – DC DC Switching Regulators as it belongs to a type of converters that take an input voltage, convert it to a different voltage and give an output voltage. This can help reduce power consumption and save energy in various applications.

These chips paired with an external MOSFET and inductor help regulate the output voltage and current. The chip detects the voltage drop across the MOSFET to calculate the current through the MOSFET. The result is an accurate and efficient regulation of the output voltage. The self-boot operation feature ensures reliable power sequence.

The MP8763GL-Z series features multiple feature-rich integrated circuits and offer 25 KHz to 500 KHz switching frequencies. With its integral synchronous current mode control that detects the output voltage and maintains its accuracy, the series delivers high performance without the need of additional components.

The series features programmable soft-start time, frequency synchronization input, enable input, and an output voltage disconnect function. It also includes power good, output voltage clamping, voltage and current limit protection, shutdown, thermal shutdown and overvoltage protection. This helps the chip to maintain safety and accuracy of the output voltage. The programmability of the soft-start time and the frequency synchronization option provide flexibility in design.

The MP8763GL-Z series offers high efficiency of up to 95%. with low thermal resistance, low voltage drop and low electrical noise. The design has excellent thermal performance and the series has small PCB size for high current applications. It offers reliable and cost effective solution for power conversion applications. It is available in lqfp and htsop packages.

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