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深圳市科瑞芯电子有限公司
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产品分类
询价相关产品
产品信息
LPSemi/微源半导体 LP28400A ESOP8/QFN-16 2芯锂离子电池从3V~12V充电
General Description
The LP28400A is a complete constant-current/constant voltage switching charger for multi celllithium-ion batteries. Boost + Linear charger work witha USB 2.0 compliant power IC assuring 2 cell Li-onbattery charging. When the battery voltage is low, thecharger works in linear operation mode. Along with thecharging the battery voltage is higher the charger willtransfer to Boost operation mode smoothly.When the battery voltage <6V, switch to wake-upcurrent charging.Other features include charge current monitor, undervoltage lockout, automatic recharge and a status pin toindicate charge termination.
Features
◆ Adapter Adaptive
◆ Input voltage range 3V~12V
◆ Integrated low side power MOSFET
◆ Simple structure and perfect transition between Linear and Boost operation
◆ Programmable charge current and CV voltage
◆ Dynamic input current allocation for maximum charging rate
◆ Automatically switches to wake-up current when charging over-discharged batteries
◆ Over Current Protection
◆ Over Temperature Protection
◆ Consumption Available in ESOP8 & QFN16(3mm*3mm) Package
◆ RoHS Compliant and 100% Lead (Pb)-Free
◆ Programmable Charge Mode for 2cells,3cells or 4cells charging (QFN-16 package only)
LP28400A Applications
◆ 2 cell Li-Ion handheld devices
◆ POS device
◆ Bluetooth speaker
◆ USB powered devices
LP28400A产品规格书（部分）
