微源半导体

概述

The LP4130 is a standalone Boost switching battery charger to charge 3-cell batteries at up to 1.5A charge current with input voltage up to 10.5V. The 3-cell switching battery charger operates at 750kHz switching frequency to allow a small size of 2.2µH inductor with low DCR loss.
The LP4130 is available in DFN3x3-10L package offering one of the most compact 3-cell switching charging solutions in the market.

应用

◆ 3-cell battery charger
◆ BT speaker
◆ Portable printers
◆ Toys

数据参数

最大充电电流(mA)

1500

工作电压(V)

4.5-20

过压保护(V)

13.5

电池电压(V)

12.3/12.45/12.6/12.9/13.05

温度检测

Y

使能控制

-

充电状态指示

Y

充满状态指示

-

PG

-

充电类型

Boost Charger

电池节数

3

产品特征/功能

Wide input voltage range, high charge efficiency, NTC, VBAT/ICHG programmable

封装

DFN-10

特征

◆ Easy-to-use standalone 3-cell synchronous Boost switching charger
◆ Proprietary charge current control
◆ 4.2V to 10.5V input voltage operation
◆ 20V absolute maximum input voltage rating
◆ Charge voltages:12.3/12.45/12.6/12.9V/13.05V
◆ 0.35-1.5A maximum fast charge current
◆ 750kHz switching frequency
◆ 2.2uH low DCR inductor
◆ 91% charge efficiency at 1A charge with 5V input
◆ 95% charge efficiency at 1A charge with 9V input
◆ Support Precharge, Constant Current (CC) charge, Constant Voltage (CV) charge, charge termination and recharge
◆ Battery short circuit protection
◆ Resistor programmable charge voltage
◆ Resistor programmable charge current
◆ High charge accuracy
◆ +/-0.75% charge voltage regulation
◆ +/-7.5% switching charge current regulation
◆ Protections
◆ Cycle-by-cycle current limit protection
◆ Input voltage regulation (VINDPM)
◆ Battery short protection
◆ Cold/hot batterytemperature monitoring
◆ Junction temperature thermal regulation (TREG)
◆ Packaging
◆ DFN3x3-10L
◆ RoHS compliant and halogen free
◆ 100% lead (Pb) free

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