MP8763GLE-P

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The MP8763GLE-P application field and working principle is set in the voltage regulators and DC DC switching regulators, perfect for usage in complex designs and applications.

MP8763GLE-P is a highly integrated Power Management IC (PMIC) which contains several circuitries for efficient power management during decentralized application and applications requiring strict current consumption management. It integrates a PIC controller, a DC/DC converter and a charge circuit in one small footprint.

The MP8763GLE-P has the capability to operate from a Li-ion battery and other power sources. The switch mode power management technique ensures up to 95 percent power efficiency and low battery stand-by current consumption. The device integrates all the power supplies needed for battery management in one unified integrated circuit.

The DC/DC converter yields a 3V/3.3 output voltage and a boost enable function to enable all the peripherals simultaneously. The MP8763GLE-P also includes a low voltage detector to enable system shutdown if the input voltage drops below the pre-set minimum voltage.

The MP8763GLE-P application fields can be segmented into consumer and medical applications. For medical applications, its multi-rail power support could provide power to different medical-grade sensors (e.g. digital thermometers and ECG). For consumer applications, its battery support, power save mode and protection functionalities make it a perfect candidate to replace existing digital camera and portable media player products.

The working principle of MP8763GLE-P is based on the pulse-width modulated (PWM) technique in a buck conversion. The power management circuit will convert a higher input voltage to a lower output voltage by using switching transistors. It uses an inductor for storing energy, during the switch-on period and releases the energy stored in the inductor during the switch-off period. The duty cycle is established by comparing the voltage reference level to an internal saw-tooth oscillator waveform, changing the duty cycle in such a way that the output voltage is kept constant within the specified range.

In addition, the MP8763GLE-P will monitor the input voltage level, if it drops below the target with a certain over-voltage, the power IC will switch inactive and disable the output. This feature will ensure the system stability, and guarantee the system\'s power efficiency and no operating malfunction.

The MP8763GLE-P is an ideal solution for entrance level digital camera, portable media players and consumer electronic devices, thanks to its high efficiency, stability and superiority in space protection.

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