TPS25221DBVT
Active0.275-2.7A ADJ. ILIMIT, 2.5-5.5V, 70MΩ USB POWER SWITCH, ACTIVE-HIGH, REVERSE BLOCKING
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TPS25221DBVT
Active0.275-2.7A ADJ. ILIMIT, 2.5-5.5V, 70MΩ USB POWER SWITCH, ACTIVE-HIGH, REVERSE BLOCKING
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Technical Specifications
Parameters and characteristics for this part
| Specification | TPS25221DBVT |
|---|---|
| Accuracy | 6 % |
| Current - Output | 2 A |
| Function | Current Switch |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | SOT-23-6 |
| Supplier Device Package | SOT-23-6 |
| Voltage - Input [Max] | 5.5 V |
| Voltage - Input [Min] | 2.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.18 | |
| 10 | $ 1.06 | |||
| 25 | $ 1.00 | |||
| 100 | $ 0.82 | |||
| Digi-Reel® | 1 | $ 1.18 | ||
| 10 | $ 1.06 | |||
| 25 | $ 1.00 | |||
| 100 | $ 0.82 | |||
| Tape & Reel (TR) | 250 | $ 0.77 | ||
| 500 | $ 0.68 | |||
| 1250 | $ 0.54 | |||
| 2500 | $ 0.50 | |||
| 6250 | $ 0.48 | |||
| 12500 | $ 0.46 | |||
| Texas Instruments | SMALL T&R | 1 | $ 1.07 | |
| 100 | $ 0.73 | |||
| 250 | $ 0.56 | |||
| 1000 | $ 0.37 | |||
Description
General part information
TPS25221 Series
The TPS25221 is intended for applications where heavy capacitive loads and short circuits may be encountered. The programmable current-limit threshold maybe set between 275 mA and 2.7 A (typical) using an external resistor. ILIMITaccuracy as tight as ±6% can be achieved at the higher current-limit settings. Power-switch rise and fall times are controlled to minimize current surges during turn on and turn off.
When a load attempts to draw current exceeding the programmed ILIMITthe internal FET enters constant current mode in order to keep ILOADat or below ILIMIT. TheFAULToutput will assert low during over-current conditions after the built in de-glitch time.
The TPS25221 is intended for applications where heavy capacitive loads and short circuits may be encountered. The programmable current-limit threshold maybe set between 275 mA and 2.7 A (typical) using an external resistor. ILIMITaccuracy as tight as ±6% can be achieved at the higher current-limit settings. Power-switch rise and fall times are controlled to minimize current surges during turn on and turn off.
Documents
Technical documentation and resources
