NCP1855

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Switching Battery Charger, up to 15.5V Operating Input Voltage

制造商：ON

中文数据手册

产品信息

The NCP1855 is a fully programmable single cell Lithium-ion switching battery charger optimized for charging from a USB compliant input supply and AC adaptor power source. The device integrates a synchronous PWM controller, power MOSFETs, and the entire charge cycle monitoring including safety features under software supervision. An optional battery FET can be placed between the system and the battery in order to isolate and supply the system. The NCP1855 junction temperature ismonitored during charge cycle and both current and voltage can be modified accordingly through I²C setting. The charger activity and status are reported through a dedicated pin to the system. The input pin is protected against overvoltages.The NCP1855 also provides USB OTG support by boosting the battery voltage as well as providing overvoltage protected power supply for USB transceiver.

2.5 A Buck Converter with Integrated Pass Devices
Input Current Limiting to Comply to USB Standard
Automatic Charge Current for AC Adaptor Charging
High Accuracy Voltage and Current Regulation
Input Overvoltage Protection up to +28 V
Factory Mode
1000 mA Boosted Supply for USB OTG Peripherals
Reverse Leakage Protection Prevents Battery Discharge
Protected USB Transceiver Supply Switch
Dynamic Power Path with Optional Battery FET
Silicon Temperature Supervision for Optimized Charge Cycle
Safety Timers
Flag Output for Charge Status and Interrupts
I2C Control Bus up to 3.4 MHz

在线购买

型号	制造商	描述	购买
NCP1855FCCT1G	ON	IC BATT CHRGR SW 2.5A 25FLIPCHIP	立即购买

技术资料

标题	类型	大小（KB）	下载
25 PIN FLIP-CHIP,2.55X2.2	PDF	55	点击下载
9 V / 2.5 A, 12 V / 2 A, Fully Integrated Li-Ion Switching Battery Charger	PDF	338	点击下载

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