PMP9780
參考設計：使用 TPS65131-Q1 和電荷泵的雙極 TFT LCD 電源
PMP9780
概覽
This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
特點
- Complete power supply solution for TFT LCD display bias
- 4 output voltage rails
- Low quiescent current less than 0.5 mA
- Load regulation less than 2% on all rails
- Automotive qualified components
| 輸出電壓選項 | PMP9780.0 | PMP9780.1 | PMP9780.2 | PMP9780.3 |
|---|---|---|---|---|
| Vin (最小值) (V) | 3.3 | 3.3 | 6.3 | 6.3 |
| Vin (最大值) (V) | 3.6 | 3.6 | 6.6 | 6.6 |
| Vout (Nom) (V) | 6.3 | -6.3 | 15 | -10 |
| Iout (最大) (A) | .1 | .1 | .02 | .02 |
| 輸出功率 (W) | .63 | .63 | .3 | .2 |
| 隔離式/非隔離式 | Non-Isolated | Non-Isolated | Non-Isolated | Non-Isolated |
| 輸入類型 | DC | DC | DC | DC |
| 拓撲結構 | Boost- Non Sync | Buck Boost- Inverting | Linear Regulator | Linear Regulator |
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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檢視所有 3
| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 測試報告 | Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps Design Guide | 2015/5/7 | |||
| 白皮書 | Powering automotive displays to create interactive driving experiences | 2017/12/21 | ||||
| 技術文章 | Split-rail converters reduce BOM size and cost in new automotive displays | PDF | HTML | 2015/7/1 |