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ON Semiconductor Introduces Fully Integrated Li-Ion Battery Charger to Address Next Generation Power Efficiency Demands  Chinese Japanese Korean

Programmable device provides faster charging, improves battery life in portable electronics

1381_NCP1851 Fully Integrated Li-Ion Battery Charger

PHOENIX, Ariz. – Aug. 27, 2012 – ON Semiconductor (Nasdaq: ONNN), a premier supplier of high performance silicon solutions for energy efficient electronics, has introduced a fully programmable Lithium- Ion (Li-Ion) switching battery charger optimized for power efficiency in smart phones, tablets and other handheld devices. The NCP1851 significantly reduces charge time, increases battery life and includes advanced startup features.

With 1.6 ampere (A) charging capability, the device is perfectly sized at 2.2 x 2.55 mm for the latest USB compliant input supplies and large battery capacities and can complete a full charge cycle of a 1650 milli ampere hour (mAh), 4.2 volt (V) Li-Ion battery in 90 minutes.

“Robustness, efficiency and fast charge time are now pre-requisites for designers of today’s high performance, ultra-space constrained applications,” said Thibault Kassir, director of ON Semiconductor’s Interface & Power ICs Division. “The NCP1851 single chip solution allows simple integration into the latest USB charging designs. We are already receiving wins from our major customers for the device due to its charge time performance and advanced feature set.”

The NCP1851 integrates dynamic power path management which enables instant system turn-on in case of a weak battery and helps replenish a deeply discharged battery. Both the device’s internal junction temperature sensor and external Negative Temperature Coefficient (NTC) thermistor ensure safe charging of the system by reporting dedicated interrupts to the i²C Control Bus. The NCP1851 provides a USB On-the-Go (OTG) mode that boosts battery voltage to power accessories plugged into the USB port, eliminating the need for another step-up converter.

Packaging and Pricing

The NCP1851 is housed in a 25 bump Flip-Chip CSP package case with overall dimensions of a mere 2.2 mm x 2.55 mm and height of 0.6 mm maximum. The device is priced at $1.25 per unit in 3,000 quantities.

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关于安森美半导体
安森美半导体(ON Semiconductor,美国纳斯达克上市代号:ONNN)致力于推动高能效电子的创新,使客户能够减少全球的能源使用。公司全面的高能效电源和信号管理、逻辑、分立及定制方案阵容,帮助工程师解决他们在汽车、通信、计算机、消费电子、工业、LED照明、医疗、军事/航空及电源应用的独特设计挑战。公司运营敏锐、可靠、世界一流的供应链及品质项目,及在北美、欧洲和亚太地区之关键市场运营包括制造厂、销售办事处及设计中心在内的业务网络。更多信息请访问http://www.onsemi.cn

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