Product description
The MT6339A/B is a high-performance PMIC that is crucial for optimizing power management and ensuring battery safety in mobile devices. The PMIC integrates DC-DC converters for high-power components and LDO regulators for sensitive low-power components. Together, they ensure that the device operates efficiently and with minimal energy loss.
Battery Charging Management: The MT6339A/B is designed to manage both Li-ion and Li-polymer batteries, ensuring fast charging with built-in protections. The overvoltage, overcurrent, and thermal protection features safeguard both the battery and the device from damage during the charging process.
Thermal Protection: The PMIC incorporates thermal throttling to adjust power when the device gets too hot, preventing overheating of critical components. If the temperature exceeds safe levels, the thermal shutdown feature powers down the system to prevent thermal damage to the internal circuits.
Power Sequencing and Protection: During startup, the MT6339A/B ensures that each component receives power in the correct order, helping to prevent system instability. Its protection mechanisms ensure that the device remains safe under various operating conditions, including electrical faults such as overvoltage, undervoltage, overcurrent, and short-circuit.
Battery Health Monitoring: The MT6339A/B continuously monitors the battery’s voltage, current, and temperature, ensuring the device’s battery remains in optimal condition and helps prolong its lifespan.
I2C Communication Interface: The I2C interface allows the system processor to dynamically adjust power parameters, optimizing energy efficiency and ensuring that power management is tailored to the device’s needs in real time.
Specification parameters
Voltage Regulation:
The DC-DC converters and LDO regulators work in tandem to ensure that high-power components and low-power components receive the correct voltage with minimal energy loss.
Battery Charging:
Supports both Li-ion and Li-polymer batteries.
Features fast charging for reduced charging times, helping to improve user convenience.
Overvoltage, overcurrent, and thermal protections safeguard the device during charging.
Thermal Protection:
Thermal throttling is employed to reduce power supply to high-demand components when the device reaches higher temperatures.
Thermal shutdown activates if the temperature exceeds safe limits, cutting off power to prevent device damage.
Power Sequencing:
Ensures that components receive power in the correct sequence during system startup, reducing the risk of instability or hardware malfunctions.
Protection Features:
Overvoltage protection protects the device from excessive voltages, while undervoltage protection ensures the device operates stably at lower voltages.
Overcurrent protection limits current to safe levels, and short-circuit protection helps prevent damage from electrical faults.
Battery Health Monitoring:
Continuous monitoring of the battery’s voltage, current, and temperature to optimize charging and discharging cycles, improving battery health and longevity.
I2C Communication Interface:
The I2C interface allows dynamic adjustments to the PMIC’s settings, ensuring the power management system is responsive to the needs of the device at any given time.
