TPS2459
- ATCA AdvancedMC™ Compliant
- Full Power Control for an AdvancedMC™ Module
- Independently Programmable 12-V Current Limit and Fast Trip
- 3.3-V and 12-V FET ORing Control for MicroTCA
- 12-V Output Shuts Off If 3.3-V Output Shuts Off
- Internal 3.3-V Current Limit and ORing
- I2C Power Good and Fault Reporting
- I2C™ Programmable Fault Times and Limits
- FET Status Bits for 3.3-V and 12-V Channels
- Load Current Monitors for 12-V and 3.3-V
- 32-Pin QFN Package
The TPS2459 hot-plug controller performs all necessary power interface functions for an AdvancedMC™ (Advanced Mezzanine Card). A fully integrated 3.3-V channel provides inrush control, over-current protection, and FET ORing. A 12-V channel provides the same functions using external FETs and sense resistors. The 3.3-V current limit is factory set to AdvancedMC™ compliant levels while the 12-V current limit is programmed using external sense resistors. The accurate current sense comparators of the TPS2459 satisfy the narrow ATCA™ AdvancedMC™ current limit requirements.
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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 | |
|---|---|---|---|---|---|---|
| * | 資料表 | 3 V / 12 V Hot Swap and ORing Controller with I2C datasheet (Rev. E) | 2013/5/17 | |||
| 選擇指南 | Power Management Guide 2018 (Rev. R) | 2018/6/25 |
設計與開發
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計算工具
TVS-RECOMMENDATION-CALC — TVS diode recommendation tool
This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RHB) | 32 | Ultra Librarian |