ACT8846

ACT8846 Rev 1, 15-May-13 Advanced PMU for Multi-core Application Processors FEATURES INTEGRATED POWER SUPPLIES Four DC/DC Step-Down (Buck) Regulators − 2 x 2.8A, 2 x 1.5A Five Low-Noise LDOs − 2 x 150mA, 3 x 350mA Three Low-Input Voltage LDOs − 1 x 150mA, 2 x 350mA One Low IQ Keep-Alive LDO Backup Battery Charger SYSTEM CONTROL AND INTERFACE Four General Purpose I/O with PWM Drivers I2C Serial Interface Interrupt Controller SYSTEM MANAGEMENT Reset Interface and Sequencing Controller − Power on Reset − Soft / Hard Reset − Watchdog Supervision − Multiple Sleep Modes Thermal Management Subsystem APPLICATIONS Tablet PC Mobile Internet Devices (MID) E-books Personal Navigation Devices Smart Phones GENERAL DESCRIPTION The ACT8846 is a complete, cost effective, and highly-efficient ActivePMUTM power management solution optimized for the power, voltage sequencing and control requirements of Rockchip RK31x8 application ...