Analog Devices ADP5350

Topologie	Abwärts- und Aufwärtswandler
Eingangsspannung	2.9-5.5 V
Schaltfrequenz	1350-1650 kHz
Ausgang 1	16 V

Advanced Battery Management PMIC withInductive Boost LED and Three LDO Regulators

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 parallel5 independent programmable LED current sinks64 programmable LED current levels (up to 20 mA)
Programmable on and off timer for LED blinkingAdaptive headroom control to maximize the efficiency
Three 150 mA linear LDO regulatorsUltralow IQ with zero load at 1 μA typical for LDO1
Optional load-switch full turn-on modeFull I2C programmability with dedicated interrupt pin

Rechargeable Li-Ion and Li-Ion polymer battery-powered devices
Portable consumer devices / Portable medical devices / Portable instrumentation devices / Wearable devices

Advanced Battery Management PMIC with Inductive Boost LED and Three LDO Regulators