TPS61289
- VLOW voltage range: 0.5V to 23V
- The minimum VLOW voltage is determined by the VLOW/VHIGH ratio and frequency
- VHIGH voltage range: 4.5V to 25V
- Pin selectable bidirectional buck or boost mode
- Buck/boost forced PWM mode operation
- High efficiency and power capability
- Programmable current limit: 5A to 20A
- Integrated 8.5mΩ high-side MOSFET
- Switching frequency
- FSW 250kHz when VLOW > 1.7V
- FSW down to 100kHz when VLOW < 1.5V
- FSW down to 50kHz when VLOW < 0.5V
- 200mV hysteresis prevents frequency jitter
- Synchronization capability to external clock
- Rich protection
- VHIGH overvoltage protection at 27V
- VHIGH undervoltage protection at 3.1V
- VCC undervoltage protection at 2.15V
- Precise EN/UVLO threshold
- Cycle-by-cycle overcurrent protection
- Thermal shutdown
- 2.5mm × 3.0mm VQFN 14 HotRod™ Lite package
The TPS61289 is a bidirectional buck/boost synchronous converter that integrates the high-side synchronous rectifier MOSFET and uses an external low side MOSFET. The TPS61289 can be configured as a buck or boost converter using the MODE pin. The TPS61289 can support 20A switching current and the VHIGH voltage supports up to 25V. The minimum VLOW voltage is determined by the VLOW/VHIGH ratio and frequency, for example, the VLOW voltage can support as low as 0.5V at the VHIGH = 15V condition. The device provides an excellent balance of efficiency, thermal dissipation and solution size for high power bidirectional conversion.
The TPS61289 offers adjustable switching current limit function. In addition, the device provides VHIGH overvoltage and undervoltage protection, cycle-by-cycle overcurrent protection, and thermal shutdown protection.
The TPS61289 offers a very small solution size with 2.5mm x 3.0mm VQFN HotRod™ Lite package with minimal external components.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS61289 23VLOW , 25VHIGH , 20A Bidirectional BUCK/BOOST Converter datasheet (Rev. A) | PDF | HTML | 2024年 1月 4日 |
| White paper | Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) | PDF | HTML | 2024年 4月 30日 | |
| EVM User's guide | TPS61289 Evaluation Module User's Guide | PDF | HTML | 2023年 11月 22日 | |
| Certificate | TPS61289EVM-113 EU Declaration of Conformity (DoC) | 2023年 9月 13日 |
設計與開發
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TPS61289EVM — TPS61289 評估模組
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN-HR (RZP) | 14 | 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