Features and benefits

? Linear battery charger for charging single cell li-ion battery

– 20 V tolerance on VIN pin

– Programmable input OVP (5.5 V or 6 V)

– Programmable constant current (up to 315 mA) and pre-charge low voltage current

threshold

– Programmable constant voltage regulation

– Programmable automatic recharge voltage and termination current threshold

– Built-in protection features such as input OVP, battery SCP, thermal protection

– JEITA compliant

– Battery attached detection

– Over-temperature protection

? Two step-down DC-DC converters

– Very low quiescent current

– Programmable output voltage

– SW1: core buck converter, 0.5 V to 1.5 V output, 25 mV/step, and a fixed 1.8 V, up to

250 mA

– SW2: system buck converter, 1.5 V to 2.1 V/2.7 V to 3.3 V output, 25 mV/step, up to

500 mA

– Low-power mode for extra power saving

? Two LDOs

– Programmable output voltage regulation

– LDO1: always-on LDO, 1.70 V to 1.90 V output, 25 mV/step, up to 1 mA

– LDO2: system LDO, 1.5 V to 2.1 V/2.7 V to 3.3 V output, 25 mV/step, up to 250 mA

? 1 MHz I2C-bus target interface

? -40 °C to +85 °C ambient temperature range

? Offered in 5 x 5 bump-array WLCSP and 24-pin QFN package

Applications

? Low power microcontroller application

PCA9420屬于集成電路（IC） > 電源管理 - 專用。恩智浦半導(dǎo)體公司制造生產(chǎn)的PCA9420電源管理 - 專用專用型電源管理集成電路 (PMIC) 用于電源的控制或操作，適合特定或小范圍的目標(biāo)應(yīng)用，例如汽車氣囊管理、電容器組平衡、AC 公共電力監(jiān)控、存儲器總線端接、接地故障檢測、能量收集、小型引擎管理、處理器或芯片集專用電壓調(diào)節(jié)、負(fù)載突降保護、觸覺驅(qū)動器、熱電制冷器控制等。