供应 电源管理芯片 WM8326

 WM8326是欧胜微电子推出的一款低功耗、单片集成电源管理系统。该芯片支持ARM9™, ARM11™ 以及ARM Cortex-A™处理内核，其内置有4个DC-DC转换器和11个LDO稳压器，其应用于智能手机、电子书阅读器、便携式多媒体、机顶盒等中。

WM8326的主要功能特性包括：

1、Power Management

-2 x DC-DC synchronous buck converters (0.6V - 1.8V, 2.5A, DVS)

-2 x DC-DC synchronous buck converters (0.85V - 3.4V, 1A)

-1 x LDO regulator (0.9V - 3.3V, 300mA, 1)

-2 x LDO regulators (0.9V - 3.3V, 200mA, 1)

-3 x LDO regulators (0.9V - 3.3V, 100mA, 2)

-2 x Low-noise LDO regulators (1.0V - 3.5V, 200mA, 1)

-2 x Low-noise LDO regulators (1.0V - 3.5V, 150mA, 2)

-1 x ‘Alive’ regulator (0.8V – 1.55V, up to 25mA)

2、System Control

 -I2C or SPI compatible primary control interface

 - Comprehensive interrupt scheme

 -Watchdog timer and system reset control

- Autonomous power sequencing and fault detection

- OTP memory bootstrap configuration function

3、Additional Features

- Auxiliary ADC for multi-function analogue measurement

- 128-bit pseudo-random unique ID

 -Secure Real-Time Clock with wake-up alarm

 -12 x configurable multi-function (GPIO) pins

- Comprehensive clocking scheme: low-power 32kHz RTC crystal oscillator, GPIO clock output and 4MHz RC clock for power management

 -System LED outputs indicating device power state, and fault status

 4、Package Options

 8 x 8 x 0.85mm, 81-lead QFN package