PMP9766
具有主動式電池平衡的超級電容器備用電源供應參考設計
PMP9766
概覽
This reference design describes a backup power circuit which addresses instantaneous protection against power interruptions by using a buck-boost converter and two stacked supercapacitors. The implementation is based on a completely integrated TPS63020 buck-boost converter circuit enabling a small total solution size. The design also provides an active cell balancing circuit. This configuration has been tested with a full test report and operation explanation.
特點
- No glitches at the automatic transition from main power to backup power operation
- Active cell balancing
- Backup-capacitor type and size are selectable to meet backup power needs
- Up to 15 Watt output power
- Small and high efficiency single converter solution
- Support of pulsed loads connected to a weak supply
| 輸出電壓選項 | PMP9766.1 |
|---|---|
| Vin (最小值) (V) | 3 |
| Vin (最大值) (V) | 5 |
| Vout (Nom) (V) | 3.3 |
| Iout (最大) (A) | .5 |
| 輸出功率 (W) | 1.65 |
| 隔離式/非隔離式 | Non-Isolated |
| 輸入類型 | DC |
| 拓撲結構 | Buck Boost- Integrated Switch |
已開發完全組裝的電路板，僅供測試與性能驗證，且為非賣品。
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| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 測試報告 | PMP9766 Test Results | 2015/9/22 | |||
| 應用說明 | High-Efficiency Backup Power Supply | 2014/12/11 |