現在提供此產品的更新版本
功能相同，但針腳輸出與所比較的裝置不同。
TPS22902
- Integrated P-Channel Load Switch
- Low Input Voltage: 1 V to 3.6 V
- ON-Resistance (Typical Values)
- rON = 78 mΩ at VIN = 3.6 V
- rON = 93 mΩ at VIN = 2.5 V
- rON = 109 mΩ at VIN = 1.8 V
- rON = 146 mΩ at VIN = 1.2 V
- 500 mA Maximum Continuous Switch Current
- Quiescent Current: 82 nA at 1.8 V
- Shutdown Current: 44 nA at 1.8 V
- Low Control Input Thresholds Enable Use of 1.2-V, 1.8-V, 2.5-V, and 3.3-V Logic
- Controlled Slew Rate to Avoid Inrush Currents
- tr = 40 µs at VIN = 1.8 V (TPS22901/2)
- tr = 220 µs at VIN = 1.8 V (TPS22902B)
- Quick Output Discharge (TPS22902/2B)
- ESD Performance Tested Per JESD 22
- 2000-V Human Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
- Four-Pin Wafer-Chip-Scale DSBGA Package
- 0.8-mm × 0.8-mm, 0.4-mm Pitch, 0.5-mm Height (YFP)
The TPS22901, TPS22902, and TPS22902B are small, low ON-resistance (rON) load switches with a controlled turnon. These devices contain a P-channel MOSFET that operates over an input voltage range of 1.0 V to 3.6 V. The switch is controlled by an on/off input (ON), which can interface directly with low-voltage control signals. In the TPS22902 and TPS22902B, an 88-Ω on-chip load resistor is added for output quick discharge when the switch is turned off.
The TPS22901, TPS22902, and TPS22902B are available in a space-saving 4-pin DSBGA (YFP) with 0.4-mm pitch. These devices are characterized for operation over the free-air temperature range of –40°C to 85°C.
技術文件
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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 | TPS2290x Ultra-Small, Low Input Voltage, Low rON, Load Switch datasheet (Rev. E) | 2020/9/24 | |||
| 應用說明 | Load Switch Thermal Considerations (Rev. A) | 2018/10/11 | ||||
| 應用說明 | Basics of Load Switches (Rev. A) | 2018/9/5 | ||||
| 選擇指南 | Power Management Guide 2018 (Rev. R) | 2018/6/25 | ||||
| 應用說明 | Selecting a Load Switch to Replace a Discrete Solution | 2017/4/30 | ||||
| 應用說明 | Timing of Load Switches | 2017/4/27 | ||||
| 應用說明 | Managing Inrush Current (Rev. A) | 2015/5/28 |
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)。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| DSBGA (YFP) | 4 | Ultra Librarian |
訂購與品質
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。