ADP5350

Data Sheet Advanced Battery Management PMIC with Inductive Boost LED and Three LDO Regulators ADP5350 FEATURES Switching mode USB battery charger High accuracy and programmable charge terminal voltage and charge current 3 MHz buck for high efficiency and small footprint Tolerant input voltage from −0.5 V to +20 V (USB VVBUSx) Power path control allows system to operate with dead or missing battery Compliant with JEITA charge temperature specification Voltage-based state of charge (SOC) calculation algorithm Extra low quiescent current in sleep mode Battery impedance chemistry (Li-Ion) compensation Battery temperature compensation No need for external sense resistor Boost regulator with 5-channel LED driver Support up to 4 LED in series or in parallel 5 independent programmable LED current sinks 64 programmable LED current levels (up to 20 mA) Programmable on and off timer for LED blinking Adaptive headroom control to maximize the efficiency Three 150 mA linear LDO regulators Ultralow IQ with zero load at 1 µA typical for LDO1 Optional load-switch full turn-on mode Full I2C programmability with dedicated interrupt pin APPLICATIONS Rechargeable Li-Ion and Li-Ion polymer battery-powered devices Portable consumer devices Portable medical devices Portable instrumentation devices Wearable devices GENERAL DESCRIPTION The ADP5350, a power management IC (PMIC), combines one high performance buck regulator for single Li-Ion/Li-Ion polymer battery charging, a fuel gauge, a highly prog...