MediaTek

MT6357

  • The MT6357 is a MediaTek power management IC (PMIC) designed to support the MTK mobile platform by providing efficient power management and supporting the energy needs of smartphones, tablets, and other portable devices. The chip is aimed at optimizing power distribution and battery management, ensuring the proper voltage and current levels are maintained to support both high-performance and energy-efficient operation.

Product description

The MT6357 is a highly integrated power management IC (PMIC) that provides advanced power distribution and battery management for mobile devices like smartphones, tablets, and other portable consumer electronics. It offers a combination of efficient DC-DC converters and LDOs, enabling the device to achieve high energy efficiency and deliver stable power to critical components like the processor, memory, and display.

A key strength of the MT6357 is its battery management capability. It supports fast charging, ensuring that devices can be recharged quickly without sacrificing safety. This includes built-in overcharge protection and over-discharge protection to protect the battery and extend its lifespan. It also ensures that the device can handle higher charging currents and voltages safely, especially for large capacity batteries often found in modern smartphones.

To enhance the device’s battery life, the MT6357 uses high-efficiency DC-DC converters that convert input voltage into the appropriate output voltage needed by the components. These converters are capable of dynamic voltage scaling, adjusting the power supply to meet the needs of different components without wasting excess energy. This is especially important in energy-sensitive devices like smartphones, where maximizing battery life is a crucial feature for user satisfaction.

The overcurrent and overvoltage protection features integrated into the MT6357 ensure that the device remains safe during high-load operations. In the case of excessive current or voltage, the MT6357 will automatically regulate or cut off power to prevent component damage, preserving the integrity and longevity of the device.

Additionally, the thermal management of the MT6357 reduces heat generation, which is especially important when powering high-performance components, such as multi-core processors and high-resolution displays. The low power dissipation characteristic ensures that the device stays cooler even during extended use, enhancing overall device performance and user comfort.

In terms of charging, the MT6357 can support USB Type-C charging or other modern charging ports, providing flexibility for device manufacturers. It can also accommodate fast-charging protocols, allowing devices to charge more quickly without damaging the battery or circuitry. This is important for today’s mobile market, where users demand devices that charge quickly and efficiently.

Overall, the MT6357 is a versatile, reliable, and efficient power management IC that supports the performance and longevity of modern mobile devices. With its battery management, charging capabilities, and thermal and protection features, it is a key component in ensuring that smartphones and tablets can operate optimally, provide long-lasting battery life, and ensure safe and efficient power delivery.


Specification parameters

  • Power Rails:

    • Includes multiple LDOs (Low Dropout Regulators) for efficient voltage regulation.

    • Integrated DC-DC converters for high-power components like the processor and display.

  • Charging Support:

    • Fast charging capability for quicker battery replenishment.

    • Battery protection features such as overcharge and over-discharge protection.

  • Efficient Power Conversion:

    • High-efficiency DC-DC converters to reduce energy loss and optimize power consumption.

  • Protection Features:

    • Integrated overcurrent protection to avoid excessive current draw.

    • Overvoltage protection to safeguard the device from damage caused by voltage spikes.

    • Thermal protection for keeping the device within safe temperature limits.

  • Input Power Source:

    • Can accept power from USB Type-C or other charging ports, supporting the latest charging standards for mobile devices.

  • Output Voltage:

    • Multiple outputs with voltages optimized for various parts of the device, including the processor, memory, display, and sensors.


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