PMP23637
Compact dual-phase multi-cell battery charger reference design with dual FETs
PMP23637
概覽
This reference design features the BQ25770/ BQ25773, 2-to-5 cell NVDC quasi-dual-phase buck- boost battery charge controller in a high-density design for notebook PC and portable applications. The dual-phase topology utilizes two small inductors and two half bridge dual-FETs, thus minimizing hot spots and spreading heat across the board. The topology also supports a 2-to-5 cell battery and accepts a wide input range including USB adapter, high voltage USB-C® Power Delivery (PD) sources, and traditional adapters.
特點
- High power 240W
- Peak efficiency 98.2%
- Dual Field Effect Transistor (FET) in 3.3mm × 3.3mm package
- Compact size: 0.75in × 1.15in (19.1mm × 29.2mm)
- Excellent thermal performance
| 輸出電壓選項 | PMP23637.1 |
|---|---|
| Vin (最小值) (V) | 3.5 |
| Vin (最大值) (V) | 20 |
| Vout (Nom) (V) | 14 |
| Iout (最大) (A) | 17 |
| 輸出功率 (W) | 238 |
| 隔離式/非隔離式 | Non-Isolated |
| 輸入類型 | DC |
| 拓撲結構 | Buck Boost- 4 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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| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 測試報告 | Compact Dual-Phase Multi-Cell Battery Charger Reference Design With Dual FETs | PDF | HTML | 2026/2/2 |