Product description
The MT6357V/A is a highly integrated PMIC that provides a complete solution for power management in modern mobile devices. By combining efficient voltage regulation, battery charging management, thermal protection, and system protections, the MT6357V/A ensures that devices operate safely, efficiently, and optimally.
The PMIC features DC-DC converters that efficiently step down voltage for high-power components like the CPU, GPU, and display, which require higher voltage levels for peak performance. These converters are designed to operate at high efficiency, ensuring that power consumption is minimized and battery life is extended. LDO regulators are used to provide stable, low-noise power to sensitive components such as memory and sensors.
For battery-powered devices, the MT6357V/A excels at managing battery charging. It supports fast charging technology, which helps reduce the amount of time needed to recharge the battery. The PMIC ensures that the battery is charged in a safe manner by implementing overvoltage, overcurrent, and thermal protections. These protections help prevent dangerous conditions that could damage the battery or the device, ensuring that the charging process is efficient and secure.
The thermal protection features in the MT6357V/A are designed to prevent the device from overheating, a common issue in modern smartphones and tablets that use powerful processors. The thermal throttling mechanism dynamically reduces the power to specific components when the temperature rises, helping the device avoid excessive heat. In case the device overheats beyond a safe threshold, the thermal shutdown feature automatically powers off the device, protecting both the battery and the internal components from heat damage.
The MT6357V/A is equipped with several protection features, including overvoltage, undervoltage, overcurrent, and short-circuit protection. These mechanisms protect the device from power surges, low battery conditions, and electrical faults, which can cause damage to the device or its components.
Lastly, the battery health monitoring system continuously checks key parameters such as voltage, current, and temperature to ensure that the battery is charged and discharged efficiently. By monitoring these parameters, the MT6357V/A helps extend the battery's lifespan and prevent issues such as overcharging or deep discharging, which can degrade battery health over time.
Specification parameters
Voltage Regulation:
The PMIC includes multiple DC-DC converters and LDO regulators that can provide different output voltages to power various components of the device.
The DC-DC converters are highly efficient, offering a wide range of output voltages for components that require higher power.
LDO regulators provide low dropout voltage and deliver stable and efficient power to low-power components.
Battery Charging:
Supports fast charging technology for quicker recharging of Li-ion and Li-Po batteries.
Integrated overvoltage protection, overcurrent protection, and thermal protection to prevent battery or device damage during charging.
Thermal Protection:
Features thermal throttling to reduce power to specific components when the temperature exceeds a safe threshold.
Thermal shutdown feature powers down the device if the temperature reaches dangerous levels, preventing overheating.
Power Sequencing:
Manages the correct order of powering up the device's components to ensure smooth and stable system operation.
Protection Features:
Includes overvoltage, undervoltage, overcurrent, and short-circuit protection to prevent electrical damage.
Battery Health Monitoring:
Constantly monitors battery voltage, current, and temperature for optimized charging and discharging cycles.
I2C Communication Interface:
Provides real-time data and feedback from the PMIC to the processor for dynamic power management.
