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MAX8856ETD+T
电池充电器, 用于1节锂离子电池, 14V输入, 1A充电, TDFN-14
产品概述
The MAX8856ETD+T is an USB/AC adapter, Li+ linear battery charger with integrated 50mohm battery switch in 14 pin TDFN package. This device is a 1-cell Li+ battery charge-management IC which operates from either a USB port or AC adapter. It integrates a battery disconnect switch, current-sense circuit, PMOS pass element and thermal-regulation circuitry. It eliminates external reverse-blocking Schottky diode to create a simple and small charging solution. The charging sequence initiates from power-OK indication through pre-qualification, fast-charge, top-off charge and finally charging-complete indication for single-cell Li+ batteries. Charging is controlled using constant current, constant voltage or constant die-temperature (CCCVCTJ) regulation for safe operation in handhelds.
- NTC thermistor input (THM) to protect the battery
- Undervoltage lockout below +3.4V and overvoltage protection up to +14V
- USB-compliant suspend mode (20µA)
- Selectable 100mA, 500mA and up to 1A input current limits
- Automatic current sharing between battery charging and system
- Die temperature regulation (+100°C)
- Low dropout voltage of 250mV at 0.5A
- Charge status and input supply detection flag
- Operating temperature range from -40°C to 85°C
应用
电源管理, 便携式器材
警告
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
产品信息
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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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