ADP5350 Datasheet (data sheet) PDF





ADP5350 Datasheet, Advanced Battery Management PMIC

ADP5350   ADP5350  

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Data Sheet Advanced Battery Management PMIC with Inductive Boost LED and Three LDO Regulators ADP5350 FEATURES Switc hing mode USB battery charger High accu racy and programmable charge terminal v oltage and charge current 3 MHz buck fo r high efficiency and small footprint T olerant input voltage from −0.5 V to +20 V (USB VVBUSx) Power path control a llows system to operate with dead or mi ssing battery Compliant with JEITA char ge temperature specification Voltage-ba sed state of charge (SOC) calculation a lgorithm Extra low quiescent current in sleep mode Battery impedance chemistry (Li-Ion) compensation Battery temperat ure compensation No need fo

ADP5350 Datasheet, Advanced Battery Management PMIC

ADP5350   ADP5350  
r external sense resistor Boost regulato r with 5-channel LED driver Support up to 4 LED in series or in parallel 5 ind ependent programmable LED current sinks 64 programmable LED current levels (up to 20 mA) Programmable on and off time r for LED blinking Adaptive headroom co ntrol to maximize the efficiency Three 150 mA linear LDO regulators Ultralow I Q with zero load at 1 µA typical for L DO1 Optional load-switch full turn-on m ode Full I2C programmability with dedic ated interrupt pin APPLICATIONS Recharg eable Li-Ion and Li-Ion polymer battery -powered devices Portable consumer devi ces Portable medical devices Portable i nstrumentation devices Wearable devices GENERAL DESCRIPTION The ADP5350, a pow er management IC (PMIC), combines one h igh performance buck regulator for sing le Li-Ion/Li-Ion polymer battery chargi ng, a fuel gauge, a highly programmable boost regulator for LED backlight illu mination, and three 150 mA LDO regulato rs. The ADP5350 operates in trickle cha rge mode and in constant current (CC) a nd constant voltage (CV) fast charge mo de. It features an internal field effec t transistor (FET) that permits battery isolation on the system power side. Th e ADP5350 fuel gauge is a space-saving and low current consuming solution. It is optimal for rechargeable Li-Ion batterypowered de








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