ACT8847QM174-T
数据手册.pdfApplication Processors to 48Pin TQFN EP T/R
GENERAL DESCRIPTION
The ACT8847 is a complete, cost effective, and highly-efficient ActivePMUTM power management
solution optimized for the power, voltage sequencing and control requirements of Samsung
Exynos 4210 S5PC210/S5PV310 and other application processors. Please See Ordering
Information Section and its Appendix.
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
• Six 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
• Ebooks
• Personal Navigation Devices