The TPS22929D is a small, low rON load switch 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 control signals. The TPS22929D is active high enable.
The TPS22929D contains a 150-Ω on-chip load resistor for quick output discharge when the switch is turned off. The rise time of the device is internally controlled in order to avoid inrush current.
The TPS22929D device provides circuit breaker functionality by latching off the power-switch during reverse voltage situations. An internal reverse voltage comparator disables the power-switch when the output voltage (VOUT) is driven higher than the input (VIN) to quickly (10 µs typ) stop the flow of current towards the input side of the switch. Reverse current 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 TPS22929D is available in a small, space-saving 6-pin SOT23 package and is characterized for operation over the free-air temperature range of –40°C to 85°C.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TPS22929D Ultra-Small, Low on Resistance Load Switch With Controlled Turn-on datasheet (Rev. A) | PDF | HTML | 30 Jun 2014 |
| E-book | 11 Ways to Protect Your Power Path | 03 Jul 2019 | ||
| Application note | Load Switch Thermal Considerations (Rev. A) | 11 Okt 2018 | ||
| Application note | Basics of Load Switches (Rev. A) | 05 Sep 2018 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 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 | Managing Inrush Current (Rev. A) | 28 Mai 2015 | ||
| EVM User's guide | TPS2292xxEVM-661 | 22 Sep 2011 |
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The TPS2292xxEVM-661 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22929 Low Input Voltage, 1.8A Single Channel Load Switch with Controlled Turn-On. The EVM allows the user to apply different input voltages (1.4 V to 5.5 V) under different loading conditions (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| SOT-23 (DBV) | 6 | Ultra Librarian |
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