Technical Specifications
Parameters and characteristics for this part
| Specification | STMPS2151STR |
|---|---|
| Current - Output (Max) [Max] | 500 mA |
| Fault Protection | UVLO, Current Limiting (Fixed), Over Temperature, Reverse Current |
| Input Type | Non-Inverting |
| Interface | On/Off |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Package / Case | SC-74A, SOT-753 |
| Ratio - Input:Output [custom] | 1:1 |
| Rds On (Typ) | 90 mOhm |
| Supplier Device Package | SOT-23-5 |
| Switch Type | General Purpose |
| Voltage - Load [Max] | 5.5 V |
| Voltage - Load [Min] | 2.7 V |
| Voltage - Supply (Vcc/Vdd) | False |
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 | $ 1.34 | |
| 10 | $ 1.20 | |||
| 25 | $ 1.14 | |||
| 100 | $ 0.94 | |||
| 250 | $ 0.87 | |||
| 500 | $ 0.77 | |||
| 1000 | $ 0.61 | |||
| Digi-Reel® | 1 | $ 1.34 | ||
| 10 | $ 1.20 | |||
| 25 | $ 1.14 | |||
| 100 | $ 0.94 | |||
| 250 | $ 0.87 | |||
| 500 | $ 0.77 | |||
| 1000 | $ 0.61 | |||
| Tape & Reel (TR) | 3000 | $ 0.57 | ||
| 6000 | $ 0.54 | |||
| 15000 | $ 0.52 | |||
| Newark | Each (Supplied on Cut Tape) | 1 | $ 1.02 | |
| 10 | $ 0.74 | |||
| 25 | $ 0.66 | |||
| 50 | $ 0.63 | |||
| 100 | $ 0.58 | |||
| 250 | $ 0.55 | |||
| 500 | $ 0.47 | |||
| 1000 | $ 0.44 | |||
Description
General part information
STMPS2151 Series
The STMPS2141, STMPS2151, STMPS2161, STMPS2171 power distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. These devices incorporate 90 mΩ N-channel MOSFET high-side power switches for power distribution. These switches are controlled by a logic enable input.
When the output load exceeds the current limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant current mode. When continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts the switch off to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until a valid input voltage is present.
Documents
Technical documentation and resources