HT4182SPER

HT4182, HT4186, HT4188 is a 5V input, two-cell synchronous boost Li-Ion battery charger. The input terminal has UVLO and OVP protection. HT4182, HT4186, HT4188 adopts synchronous boost converter integrating switches to provide a high efficiency and small size solution. The charge current (max 1.6A) is programmable by an external resistor. HT4182, HT4186, HT4188 integrates multiple protection function including: charge timeout, thermal regulation, over temperature protection, Input voltage UVLO and OVP, Output short circuit / overcurrent / OVP protection and NTC. Abnormal status can be indicated by STAT terminal. HT4186 and HT4188 integrates cell balancing function, which can automatically balance the charge current and battery voltage between two cells so that the life of the battery pack could be extended. The device is available in SOP8L-PP, SSOP10L-PP, SOP16L-PP package. HT4182, HT4186，HT4188是一款5V输入，升压模式的充电管理IC, 适用于双节串联锂电池。其能自适应任意5V电源进行充电，并且由输入过压、欠压保护。 HT4182, HT4186，HT4188采用同步升压结构，内置MOSFET，外围元件简单。通过调节外部电阻，可任意调节充电电流，最大支持1.6A, 效率超过90%。 HT4182, HT4186，HT4188具有多重保护功能：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。异常时，可通过LED进行异常指示。 HT4186，HT4188还提供自动动态电量平衡功能，在充电时，自动均衡充电电量以平衡两节电池电压，提高电池包寿命。 该产品提供SOP8L-PP, SSOP10L-PP,SOP16L-PP封装。

• High-efficiency 1.6-A, 800kHz 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
• Charge voltage selectable: 8.4V / 8.7V
• Automatic Cell Balancing (HT4188, HT4186)
• Short current / trickle current / constant current / constant voltage charge mode
• Status indication
• Charge timeout, Thermal regulation, Over temperature protection, Input voltage UVLO and OVP, Output short circuit / overcurrent / OVP protection, NTC
• Pb-free Packages, SOP8L-PP, SSOP10L-PP, SOP16L-PP
• 高效的1.6A 800kHz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 - 4.5V自动调节输入电流；6.2V过压保护
• LED状态显示

• Portable Speakers
• POS
• 音箱
• POS机
• 电子烟
• E-Cigarette
• 其他便携式电子设备
• 对讲机