What is MT6323? – Power Management System Chip

What is MT6323?

This is a system power management integrated circuit (PMIC) designed and manufactured by MediaTek, a Taiwanese semiconductor company. It is commonly used in mobile devices such as smartphones and tablets to control the power supply to different components of the device, including the processor, memory, display, and audio. The MT6323 offers advanced power management features such as voltage regulators, battery charging, and thermal management, to optimize device performance and battery life.

Part Number: MT6323

Function:  PMIC ( Power Management Integrated Circuit ) Technical Brief

Package: VFBGA – 145L Package

Manufacturer: MediaTek Inc

MT6323 datasheet


MT6323 is a power management system chip optimized for 2G/3G handsets and smart phones, especially based on the MediaTek MT6572 system solution. MT6323 contains 3 buck converters and 23 LDOs, which are optimized for specific 2G/3G/smart phone subsystems.

The Device provides mono 0.7W into 8Ω, high efficiency Class AB/D audio amplifiers

and flexibility for various applications of indicator LED drivers. It supports up to 4 channel LEDs with independent controlled. Flexible control includes: register mode, PWM mode and breath mode.

Advantages Vs Disadvantages


1. Provides comprehensive power management features to optimize device performance and battery life

2. Enables efficient and fast charging of the battery

3. Supports a wide range of mobile devices, including smartphones and tablets

4. Offers a flexible system configuration to accommodate different device requirements

5. Provides thermal management to prevent device overheating

6.  Supports USB OTG for easy device-to-device communication


1. May not be compatible with all device architectures, requiring additional design work for integration

2. Some of the advanced features may not be utilized by all device manufacturers
May have a higher cost compared to other power management solutions



1. Handles all 2G/3G/smart phone baseband power management
2. Input range: 3.4 ~ 4.5V
3. 3 buck converters and 23 LDOs optimized for specific 2G/3G/smart phone subsystems
4. Full-set high-quality audio feature : Supports uplink/downlink audio CODEC and high-power/quality audio amplifier
5. 32K RTC crystal oscillator for system timing, 1.8 and 2.8V clock buffer output
6. Multiple function GPIO
7. Flexibility for various configurations of indicator LED current source: 4ISINK
8. SPI interface
9. Li-ion battery charging function

The MT6323 offers a comprehensive power management solution for mobile devices, providing a wide range of features to optimize device performance and battery life.

Other data sheets are available within the file: MT6323A/A, MT6323GA

MT6323 Datasheet


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