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深圳市科瑞芯电子有限公司
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产品分类
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产品信息
LPSemi/微源半导体 LP4069H DFN-8/SOT23-6 36V/800mA独立式单电池线性充电器
General Description
The LP4069H device is a highly advanced linear chargerfor single cell Li-Ion and Li-Polymer batteries. The deviceis ideally suited for portable applications due to the small DFN-8 package and low number of external componentsrequired.
The device employs a full charge algorithm with tricklecurrent, constant current (CC), constant voltage (CV)modes, charge termination and automatic recharge. Thedevice supports charge current up to 800mA,programmed by an external resistor. The device canwithstand an input voltage up to 36V, which can protectthe charger from the accidental insertion of high voltageand hot plug-in. The device can withstand a BAT voltageup to 14V, which is suited for power battery applications.Without an input supply, the battery reverse current isonly 30nA typical.
The device provides various safety features for batterycharging, including input under voltage lockout (UVLO),input over-voltage protection (OVP), battery reverseconnection protection, and thermal regulation foldbackprotection that is implemented by reducing the chargecurrent while the junction temperature reaches 140℃.
The LP4069H is available in a DFN-8 (2mmx2mm)/SOT23-6 package.
Features
◆ Easy-to-use standalone single-cell charger
◆ High input voltage linear charger
- Support up to 7V input voltage with 36V absolute maximum input rating
- Maximum BAT withstand voltage up to 14V
- Programmable up to 800mA fast charge current
- Trickle current 10% of fast charge current
- Termination current 10% of fast charge current
◆ High integration
- Integrated reverse blocking MOSFET
- Built-in charge current sensing
- Internal loop compensation
- Integrated charge status indication
◆ Support full charge cycle of trickle current mode, constant current (CC) mode, constant voltage (CV) mode, charge termination and automatic recharge
◆ BAT leakage current 30nA typical .
◆ Protection features
- Input under-voltage lockout (UVLO)
- Over-voltage protection (OVP)
- - Battery reverse connection protection
Thermal regulation foldback
◆ RoHS Compliant and 100% Lead (Pb)-Free
◆ Package: DFN-8(2mm x 2mm)/SOT23-6
LP4069H产品规格书（部分）
