Analog Devices ADP5350

Description

Advanced Battery Management PMIC withInductive Boost LED and Three LDO Regulators

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 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

Typical applications

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

More information

• Datasheet
• IC product information