MediaTek

MT6357CRV

  • The MT6357CRV is a Power Management Integrated Circuit (PMIC) developed by MediaTek for use in mobile devices such as smartphones, tablets, and wearables. As a member of the MT6357 series, the MT6357CRV integrates several power management features that optimize battery life, enhance power efficiency, and protect the device from electrical or thermal issues. The MT6357CRV is designed to provide reliable power to various system components while ensuring safe and efficient battery charging.

Product description

The MT6357CRV is a powerful PMIC designed to support mobile devices with efficient power regulation, battery charging, thermal management, and system protection. Its integration of DC-DC converters and LDO regulators allows for high and low-power components to receive the appropriate voltage levels, ensuring that the device operates efficiently and with minimal power loss.

  • Efficient Power Regulation: The MT6357CRV combines DC-DC converters for high-power components and LDO regulators for low-power components, optimizing the device's overall energy efficiency. The PMIC reduces power loss, thus extending battery life and improving device performance.

  • Battery Charging Management: The MT6357CRV supports fast charging technology, enabling the device to charge more quickly. It ensures that the charging process is safe and efficient with built-in overvoltage, overcurrent, and thermal protection features. These protections prevent the battery from being overcharged, protect the device from excessive current, and help prevent overheating during the charging process.

  • Thermal Protection: The MT6357CRV includes advanced thermal management features. Thermal throttling helps to manage power to high-performance components if the device starts to overheat. If the temperature rises to dangerous levels, the thermal shutdown feature automatically powers off the device, preventing heat damage to the battery and internal components.

  • Power Sequencing: The PMIC ensures proper power sequencing during device startup, delivering power to the components in the correct order. This prevents issues such as system instability or damage that can result from incorrect power-up sequences.

  • Protection Features: The MT6357CRV integrates several protection features to safeguard the device from power-related issues. These include overvoltage protection to prevent excessive voltage from damaging the components, undervoltage protection to ensure stable operation, overcurrent protection to prevent excessive current draw, and short-circuit protection to protect the device from electrical faults.

  • Battery Health Monitoring: Continuous monitoring of battery health is a key feature of the MT6357CRV. By tracking battery voltage, current, and temperature, the PMIC helps optimize charging and discharging cycles, thereby improving the longevity of the battery and ensuring that it operates within safe limits.

  • I2C Communication Interface: The I2C interface allows the system processor to communicate with the PMIC in real time. This enables dynamic adjustments to power settings, improving efficiency based on the current usage and power demands of the device.


Specification parameters

  • Voltage Regulation:

    • The PMIC integrates DC-DC converters for efficient high-power voltage regulation and LDO regulators for low-power, low-noise applications, ensuring that all components receive the correct voltage.

  • Battery Charging:

    • The MT6357CRV supports fast charging for quick battery recharging, improving device uptime.

    • Overvoltage, overcurrent, and thermal protection ensure that the charging process is safe and efficient.

  • Thermal Protection:

    • Thermal throttling and thermal shutdown features protect the device from overheating by reducing power to high-demand components or shutting the device down if the temperature exceeds safe limits.

  • Power Sequencing:

    • The PMIC ensures the device's components receive power in a proper sequence to prevent damage during startup.

  • Protection Features:

    • Includes overvoltage, undervoltage, overcurrent, and short-circuit protection to prevent electrical faults from damaging the device.

  • Battery Health Monitoring:

    • Continuously monitors the battery's voltage, current, and temperature to optimize charging and discharging cycles and prolong battery life.

  • I2C Communication Interface:

    • The I2C interface allows for dynamic communication between the PMIC and the main processor, enabling real-time adjustments to power settings for optimal efficiency.


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