ACT8930 ® Product Brief, 04-Nov-10 Advanced PMU for Portable Handheld Equipment FEATURES GENERAL DESCRIPTION • Three Step-Down DC/DC Converters • Four Low-Dropout Linear Regulators • Dedicated enable pins for the voltage regulators The ACT8930 is a complete, cost effective, highlyefficient ActivePMUTM power management solution, for portable handheld equipment such as Smartphones, Mobile Internet Devices (MID), eBooks and etc. for flexible power sequencing. • Integrated ActivePathTM Charger This device features three step-down DC/DC converters and four low-noise, low-dropout linear regulators, along with a complete battery charging solution featuring the advanced ActivePathTM system-power selection function. • I C Serial Interface • Minimal External Components • Tiny 5×5mm TQFN55-40 Package 2 TM − 0.75mm Package Height − Pb-Free and RoHS Compliant The three DC/DC converters utilize a highefficiency, fixed-frequency (2MHz), current-mode PWM control architecture that requires a minimum number of external components. Two DC/DCs are capable of supplying up to 1100mA of output current, while the third supports up to 1300mA. All four low-dropout linear regulators are highperformance, low-noise, regulators that supply up to 320mA each. APPLICATIONS • • • • • Personal Navigation Devices Portable Media Players Tablet Devices The ACT8930 is available in a compact, Pb-Free and RoHS-compliant TQFN55-40 package. Smart Phones MIDs SYSTEM BLOCK DIAGRAM ActivePMU TM Innovative PowerTM ActivePMUTM and ActivePathTM are trademarks of Active-Semi. I2CTM is a trademark of NXP. -1- www.active-semi.com Copyright © 2010 Active-Semi, Inc. ACT8930 ® Product Brief, 04-Nov-10 PRODUCT OPTIONS Block Function Output Voltage Capability ActivePath System Power Selection 4.6V Up to 2A CHGR Battery Charger 4.2V Programmable up to 1A REG1 Step-Down DC/DC REG2 Step-Down DC/DC REG3 Step-Down DC/DC 1300mA REG4 LDO 320mA REG5 LDO REG6 LDO REG7 LDO 1100mA Adjustable, or 0.6V to 3.9V 1100mA 320mA 0.6V to 3.9V 320mA 320mA FUNCTIONAL BLOCK DIAGRAM (Optional) AC Adaptor BODY SWITCH ACT8930 4.35V to 6V CHGIN VSYS System Supply BAT Li+ Battery USB ACIN BODY SWITCH ActivePath Control VSYS nSTAT + 102µA CURRENT SENSE CHARGE STATUS TH VOLTAGE SENSE Charge Control CHGLEV PRECONDITION 2.85V VP1 ISET To VSYS THERMAL REGULATION 110°C SW1 OUT1 OUT1 OUT1 nRSTO GP12 VP2 ON1 SW2 ON2 OUT2 ON3 GP12 To VSYS OUT2 ON45 VP3 ON6 SW3 To VSYS OUT3 ON7 OUT3 System Control GP3 SCL INL To VSYS SDA REG4 LDO BAT LBI REG5 LDO 1.2V OUT1 OUT4 OUT4 OUT5 OUT5 + REG6 LDO nLBO REG7 LDO OUT6 OUT6 OUT7 OUT7 REFBP Reference GA Innovative PowerTM -2- EP www.active-semi.com Copyright © 2010 Active-Semi, Inc.