Narrow VDC Regulator/Charger with SMBus Interface Evaluation Board
The ISL9520EVAL1Z evaluation board is used to evaluate the ISL9520 highly integrated narrow VDC regulator/battery charger controller for Li-ion/Li-ion polymer...
The ISL9520 is a highly integrated narrow VDC system voltage regulator and battery charger controller. Operating parameters are programmable over the System Management Bus (SMBus). The ISL9520 is designed for applications where the system power source is either the battery pack or the output of the regulator/charger. This makes the max voltage to the system equal to the max battery voltage instead of the max adapter voltage. The ISL9520 also includes a patented system to control trickle charging deeply discharged batteries while maintaining system voltage at a user-defined minimum. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation and variable switching frequency for enhanced light load efficiency and AC-adapter boosting prevention. The ISL9520 can charge two, three, or four series-connected Lithium-ion cells, at up to 8A charge current. Default settings for 2-, 3- or 4-cell operation at power-up are selected by an external pin. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area. Low offset current-sense amplifiers provide high accuracy. The ISL9520 provides an open drain digital output that indicates the presence of the AC-adapter. The ISL9520 also provides an analog output that indicates the battery discharge current and an output that indicates the adapter current.
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类型 | 文档标题 | 日期 |
数据手册 - 简易格式 | PDF 163 KB | |
手册 | PDF 8.73 MB | |
手册 | PDF 5.49 MB 日文 | |
End Of Life Notice | PDF 603 KB | |
产品变更通告 | PDF 294 KB | |
数据手册 | PDF 1.13 MB | |
应用文档 | PDF 509 KB | |
应用文档 | PDF 397 KB | |
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The ISL9520EVAL1Z evaluation board is used to evaluate the ISL9520 highly integrated narrow VDC regulator/battery charger controller for Li-ion/Li-ion polymer...
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