ACT5810 ACTIVE-SEMI | Alldatasheet
Document overview
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Technical content
Innovative Products. Active Solutions. - 1 - www.active-semi.com Copyright © 2007 Active-Semi, Inc. ActivePMUTM is a trademark of Active-Semi. I2CTM is a trademark of Philips Electronics. ACT5810 Product Brief, 28-Aug-07 Advanced Information - All Information Subject to Change Nine Channel PMU for Mobile Phones SYSTEM BLOCK DIAGRAM
FEATURES
- Multiple Patents Pending
- Li+ Battery Charger with Integrated MOSFET − ON/OFF Control
- Charger Current Monitor Output
- Six Low Noise LDOs − 3.00V at 250mA − 1.80V at 150mA − 3.00V at 80mA − 3.00V at 80mA − 3.00V at 80mA − 3.00V at 150mA − Programmable LDO Output Voltages
- Two N-channel Open Drain Switches
- I2CTM Compatible Serial Interface − Configurable Operating Modes
- AC OK (nACOK) and RESET (nRST) Outputs
- 5×5mm, QFN (QFN55-32) Package − RoHS Compliant
APPLICATIONS
- GSM or CDMA Mobile Phones GENERAL DESCRIPTION The patent-pending ACT5810 is a complete, inte- grated power management solution that is ideal for CDMA and GSM mobile phones. This device inte- grates a linear Li+ battery charger with an internal power MOSFET, six low dropout linear regulators (LDOs), a reset output, and two N-Channel open drain switches. An I 2C Serial Interface is utilized to provide programmable LDO and battery charger functionality. The ACT5810 features six low-noise LDOs and are divided into two sets of three: one set optimized for minimum quiescent supply current, and the other optimized for high PSRR, achieving more than 60dB PSRR at frequencies up to 10kHz. All LDO output voltages may be programmed as well as en- abled and disabled via the I 2C interface. The charger is a complete, thermally-regulated, stand-alone single-cell linear mode charger for Li+ batteries. It incorporates an internal power MOS- FET for constant-current/c onstant-voltage control. The battery regulation voltage has 0.5% accuracy, and features programmable charger currents in the 90mA to 1A range as well as a variety of other func- tions including a complete charge-management state machine and charge safety timers.
Innovative Products. Active Solutions. - 2 - www.active-semi.com Copyright © 2007 Active-Semi, Inc. Product Brief, 28-Aug-07 PRODUCT OPTIONS FUNCTIONAL BLOCK DIAGRAM Block Function Output Voltagec Capabilityd CHGR Battery Charger 4.20V (4.10V to 4.24V available) Programmable Up to 1A REG1 LDO 3.0V (1.4V to 3.7V) 250mA REG2 LDO 1.8V (1.4V to 3.7V) 150mA REG3 LDO 3.0V (1.4V to 3.7V) 80mA REG4 LDO 3.0V (1.4V to 3.7V) 80mA REG5 LDO 3.0V (1.4V to 3.7V) 80mA REG6 LDO 3.0V (1.4V to 3.7V) 150mA OD1 Open Drain N/A 100mA OD2 Open Drain N/A 100mA c: Output voltage options detailed in this table represent st andard voltage options, and are available for samples or production orders. Contact Active-Semi for more information regarding semi-custom output voltage combinations. d: Contact factory for additional available products or custom requirements.