Product Summary

The WM8326 is an integrated power-management subsystem which provides a cost-effective, flexible, single-chip solution for power management. It is specifically targeted at the requirements of a range of low-power portable consumer products, but is suitable to any application with a multimedia processor. The WM8326 is designed to operate as a system PMIC supporting the ARM9TM, ARM11TM and ARM Cortex-ATM processors, but is also capable of supporting the majority of application and mobile processors at the heart of a wide range of low-power consumer multimedia applications. The WM8326 applications are: (1)Cellular Handsets; (2)Smartphones; (3)Electronic Books; (4)Portable Media Players; (5)Mobile Internet Devices; (6)Electronic Gaming Devices; (7)Netbooks; (8)Smartbooks; (9)Set Top Box; (10)Digital Picture Frames.

Parametrics

WM8326 absolute maximum ratings: (1)OTP Programming Supply (PROGVDD): －0.3V, 7.0V; (2)System supply (PVDD1, PVDD2, PVDD3): －0.3V, 7.0V; (3)Input voltage for LDO regulators: －0.3V, 7.0V; (4)Input voltage for DC－DC converters: －0.3V, 7.0V; (5)Digital buffer supply (DBVDD1, DBVDD2): －0.3V, 4.5V; (6)Voltage range for digital inputs: －0.3V, DBVDD + 0.3V; (7)Operating Temperature Range, TA: －40℃, +85℃; (8)Junction Temperature, TJ: －40℃, +125℃.

Features

WM8326 features: (1)Auxiliary ADC for multi-function analogue measurement; (2)128-bit pseudo-random unique ID; (3)Secure Real-Time Clock with wake-up alarm; (4)12 x configurable multi-function (GPIO)pins; (5)Comprehensive clocking scheme: low-power 32kHz RTC crystal oscillator, GPIO clock output and 4MHz RC clock for power management; (6)System LED outputs indicating device power state, and fault status.

Diagrams

WM8326 pin connection