(1)Thermal performance must be considered
The TPS22810 is a single channel load switch with configurable rise time and with an integrated quick output discharge (QOD). In addition, the device features thermal shutdown to protect the device against high junction temperature. Because of this, safe operating area of the device is inherently ensured. The device contains an N-channel MOSFET that can operate over an input voltage range of 2.7 V to 18 V. SOT23-5 (DBV) package can support a maximum current of 2 A. WSON (DRV) package can support a maximum current of 3 A. The switch is controlled by an on and off input, which is capable of interfacing directly with low-voltage control signals.
The configurable rise time of the device greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. Undervoltage lock-out is used to turn off the device if the VIN voltage drops below a threshold value, ensuring that the downstream circuitry is not damaged by being supplied by a voltage lower than intended. The configurable QOD pin controls the fall time of the device to allow design flexibility for power down.
The TPS22810 is available in a leaded, SOT-23 package (DBV) which allows to visually inspect solder joints, as well as a WSON package (DRV). The device is characterized for operation over the free-air temperature range of –40˚C to +105˚C.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS22810, 2.7-18-V, 79-mΩ On-Resistance Load Switch With Thermal Protection datasheet (Rev. C) | PDF | HTML | 17 Jan 2018 |
| E-book | 11 Ways to Protect Your Power Path | 03 Jul 2019 | ||
| Application note | Basics of Power Switches (Rev. A) | PDF | HTML | 26 Apr 2019 | |
| Application note | Load Switch Thermal Considerations (Rev. A) | 11 Oct 2018 | ||
| Application note | Basics of Load Switches (Rev. A) | 05 Sep 2018 | ||
| EVM User's guide | TPS22810 Load Switch Evaluation Module User's Guide (Rev. B) | 30 Jan 2018 | ||
| Application note | Selecting a Load Switch to Replace a Discrete Solution | 30 Apr 2017 | ||
| Application note | Timing of Load Switches | 27 Apr 2017 | ||
| Application note | Fundamentals of On-Resistance in Load Switches | 09 Jun 2016 | ||
| Application note | Managing Inrush Current (Rev. A) | 28 May 2015 |
For additional terms or required resources, click any title below to view the detail page where available.
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The TPS22810 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22810 load switch. The TPS22810EVM allows the user to apply different input voltages (2.7 V to 18 V) under different loading conditions (0 A to 2 A) to the TPS22810. Test point connections allow the (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-23 (DBV) | 6 | Ultra Librarian |
| WSON (DRV) | 6 | Ultra Librarian |
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