TPS65131
- Input voltage range: 2.7-V to 5.5-V
- VPOS positive boost converter output
- Adjustable output: up to 15 V
- Two switch current limit options: 0.8 A and 2 A
- Conversion efficiency: up to 89%
- VNEG negative inverting buck-boost converter output
- Adjustable output: down to –15 V
- Two switch current limit options: 0.8 A and 2 A
- Conversion efficiency: up to 81%
- Control output for external P-channel FET supports complete disconnection from battery
- 1-µA shutdown current
- Individual enable inputs for flexible output sequencing
- Protection features
- Overvoltage protection at VPOS and VNEG
- Input undervoltage lockout
- Thermal shutdown protection
- 4-mm × 4-mm VQFN-24 package (RGE)
The TPS6513x device is a dual-output DC-DC converter supply that generates a positive output up to 15 V and a negative output down to –15 V. The converter maintains low output voltage ripple. Typically, the maximum output currents are in the 200-mA to 500-mA range, depending on input voltage to output voltage ratio and the current limit option. The combined (VPOS and VNEG) efficiency reaches 85% to keep systems cool or achieve a longer battery-on-time. The input voltage range of 2.7 V to 5.5 V allows the devices to be powered from batteries or from fixed 3.3-V or 5-V rails.
The converter operates with a fixed frequency PWM control topology and, when operating in power-save mode, uses a pulse-skipping mode at light-load currents. It operates with only 500-µA device quiescent current.
Independent enable pins allow flexible power-up and power-down sequencing for both outputs. The positive and negative outputs operate independently, allowing for non-symmetrical output voltages and currents.
The converter has an internal current limit, overvoltage protection, and a thermal shutdown for highest reliability under fault conditions. The converter is available in a 4-mm × 4-mm VQFN-24 package. The solution size is small with a minimum switching frequency of 1.25 MHz for smaller inductors and few other external components required.
您可能會感興趣的類似產品
功能與所比較的裝置相似
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | TPS6513x Dual, Positive and Negative Output DC-DC Converter datasheet (Rev. E) | PDF | HTML | 2022年 4月 26日 |
Application note | Basic Calculation of a Boost Converter's Power Stage (Rev. D) | PDF | HTML | 2022年 10月 28日 | |
Technical article | Improving sensor DAQ performance using the PRU-ICSS for grid protection and contro | PDF | HTML | 2018年 10月 9日 | |
Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 2018年 9月 19日 | ||
Technical article | Interfacing multiple ADCs to a single processor for grid protection and control | PDF | HTML | 2018年 9月 13日 | |
Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
EVM User's guide | TPS65131EVM-839 User's Guide | 2017年 12月 22日 | ||
Application note | Basic calculation of an inverting buck-boost power stage (Rev. A) | 2017年 8月 28日 | ||
EVM User's guide | TPS65131EVM User's Guide (Rev. C) | 2010年 11月 23日 | ||
Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 2006年 9月 15日 |
設計與開發
如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。
TPS65131EVM-839 — TPS65131 的評估模組 - 正負輸出 DC-DC 轉換器
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
TIDA-01576 — 具有 16 位元 1-MSPS 雙同步取樣 ADC 的高準確度類比輸入模組參考設計
TIDA-010065 — 基於高效、低排放、隔離式 DC/DC 轉換器的類比輸入模組參考設計
PMP9780 — 參考設計:使用 TPS65131-Q1 和電荷泵的雙極 TFT LCD 電源
TIDA-01555 — 彈性介面 (PRU-ICSS) 參考設計,適用於使用多個 ADC 的同步、同調的 DAQ
TIDA-00834 — 使用具有 ±10V 量測範圍之 16 位元 SAR ADC 的高準確度類比前端參考設計
TIDA-010008 — 適合於電網應用之瞬態保護的平箝制 TVS 架構參考設計
TIDA-00493 — 適用於 mV 輸出感測器介面至 SAR ADC 的電壓與電流 (電源) 量測 AFE 參考設計
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
VQFN (RGE) | 24 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。