HT4182
FEATURES
- High-efficiency 1.6-A, 800k Hz Synchronous boost charger
92% charge efficiency at 5V adapter, 7.2V battery, 1A charge
- Support 5V input and 2-cell Li-Ion battery
Supports 4V-6V input voltage range with 16V absolute maximum input voltage rating
Adaptive input current limit: 4-4.3V input OVP protection: 6.2V
- Charge voltage selectable: 8.4V / 8.7V
- Short current / trickle current / constant current / constant voltage charge mode
- Programmable charge current by external resistor
- Status indication
- Charge timeout, Thermal regulation, Over temperature protection, Input voltage UVLO and OVP, Output short circuit / overcurrent / OVP protection, NTC
- Pb-free Packages, ESOP8
- 高效的1.6A 800k Hz开关模式同步升压充电器 5V输入、7.2V电池、1A充电电流下，效率92%
- 支持5V输入, 给双节串联锂电池充电 4V-6V范围内正常工作（最大极限16V）；4-
4.3V自动调节输入电流；6.2V过压保护
- 电池饱充电压8.4V和8.7V可选
- 短路涓流/预充涓流/恒流/恒压充电模式
- 充电电流由外部电阻灵活调节
- LED状态显示
- 保护：充电超时、芯片过热反馈调节、过温关 断、输入过压、输入欠压、输出过流、输出过压、 输出短路、NTC温度保护等
- ESOP8封装
- APPLICATIONS
- Portable Speakers
- POS
- E-Cigarette
- Other...
