ADP5080 Tiny 15V PMU with 6 CH DC/DCs and 2 LDOs for Multicell Lithium Ion Battery Applications
2015-11-04
产品特性 |
【产品特性】 •Wide input voltage range: 4.0 V to 15 V•High efficiency architecture •Up to 2 MHz switching frequency "•6 synchronous rectification dc-to-dc converters: Channel 1 - 3A buck regulator Channel 2 - 1.15A buck regulator Channel 3 - 1.5A buck regulator Channel 4 - 0.8A buck regulator Channel 5 - 2A buck regulator" "•2 low quiescent current keep-alive LDO regulators: LDO1 – 400mA regulator LDO2 – 300mA regulator" "•Control circuitry: Charge pump for internal switching driver power supply I2C-programmable output levels and power sequencing" •Package: 72-ball, 4.5 mm × 4.0 mm × 0.6 mm WLCSP (0.5 mm pitch) |
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产品应用 |
【产品应用】 •Tablets•Space Constrained Applications •Portable Instrumentation |
文字介绍 |
【文字介绍】 ADP5080是适合多单元锂电池应用的完全集成式高效电源解决方案。该器件可以直接连接到电池,无需前置调节器,从而延长了系统的电池寿命。ADP5080集成两个“保持有效”LDO调节器、五个同步降压调节器、一个可配置的四开关降压升压调节器和一个高压LDO调节器。ADP5080是一款高度集成式电源解决方案,集成了功率MOSFET、回馈环路补偿、电压设置电阻分压器、放电开关以及产生通用自举电压的电荷泵。 所有这些特性都有助于尽量减少所需的外部器件数和PCB面积,为便携式应用提供了显著的优势。每个信道的开关频率都可在750 kHz至2 MHz间选择。芯片内集成了电源应用的主要功能,如软启动、可选默认输出电压以及灵活的上电和关断时序控制,并且通过I2C接口采用熔丝工厂默认值进行程序设计。ADP5080采用72引脚WLCSP 0.5 mm间距封装。 |
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