TPS22913
- Integrated Single Load Switch
- Four Pin Wafer-Chip-Scale Package (Nom)
- 0.9 mm × 0.9 mm, 0.5-mm Pitch, 0.5-mm Height (YZV)
- Input Voltage Range: 1.4 V to 5.5 V
- Low ON-Resistance
- rON = 60 mΩ at VIN = 5 V
- rON = 61 mΩ at VIN = 3.3 V
- rON = 74 mΩ at VIN = 1.8 V
- rON = 84 mΩ at VIN = 1.5 V
- 2-A Maximum Continuous Switch Current
- Low Threshold Control Input
- Controlled Slew-rate
- Under-Voltage Lock Out
- Full-Time Reverse Current Protection
- Quick Output Discharge Transistor (TPS22913B/C Devices)
The TPS22910A, TPS22912C, and TPS22913B/C are small, low rON load switches with controlled turn on. The device contains a P-channel MOSFET that can operate over an input voltage range of 1.4 V to 5.5 V. The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage GPIO control signals.
The TPS22910A, TPS22912C, and TPS22913B/C devices provide reverse current protection in ON and OFF states. An internal reverse voltage comparator disables the power-switch when the output voltage (VOUT) is driven higher than the input voltage (VIN), by VRCP, to quickly (10 µs typ) stop the flow of current towards the input side of the switch. Reverse current protection is always active, even when the power-switch is disabled. Additionally, under-voltage lockout (UVLO) protection turns the switch off if the input voltage is too low.
The TPS22913B/C contains a 150-Ω on-chip load resistor for quick output discharge when the switch is turned off.
This family of devices have various slew rate options to avoid inrush current (see for details), are available in an ultra-small, space-saving 4-pin WCSP packages, and are characterized for operation over the free-air temperature range of –40°C to 85°C.
技術文件
| 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 | TPS2291xx Ultra-small, Low On Resistance Load Switch With Controlled Turn-on datasheet (Rev. F) | PDF | HTML | 2015/1/7 | ||
| 電子書 | 11 Ways to Protect Your Power Path | 2019/7/3 | ||||
| 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 | Reverse Current Protection in Load Switches | 2016/5/19 | ||||
| 應用說明 | Managing Inrush Current (Rev. A) | 2015/5/28 |
設計與開發
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|---|---|---|
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