AAT4681 20ohm P-Channel SmartSwitch for UMPC Battery Charging Applications
The AAT4681 SmartSwitch enables separate stand-alone AC adapter and PMU USB chargers to independently control a single low RDS(ON) power MOSFET between battery and system power output. A 20V version is available for multi-cell Li-ion applications and a 6V version is available for single-cell Li-ion applications. The two P-channel power MOSFETs required in UMPC applications for controlling independent charger ICs can be consolidated to a single device, saving space and reducing cost. The single 20mΩ P-channel device in the AAT4681/-1 has four times lower RDS(ON) than the equivalent path resistance formed by two series devices. Ordering options are available for multi-cell and single-cell Li-ion versions. For the single-cell application, a 6V device with dual independent gate control is available. For 2-cell and 3-cell applications a 20V ordinary P-channel device is available in the same package and pin configuration. Both devices are available in the TDFN-10L 3mm x 3mm package.
技术特性
订购信息 Ordering Information
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应用领域 APPLICATION
功能框图 Functional Block Diagram
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| 应用技术支持与电子电路设计开发资源下载 | 版本信息 | 大小 |
| AAT4681 数据资料DataSheet下载:pdf | Rev.V2 | 2 页 |
