Product overview
Description
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.
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All features
- 90 mΩ high-side MOSFET switch
- 500/1000 mA continuous current
- Thermal and short-circuit protection with overcurrent logic output
- Operating range from 2.7 to 5.5 V
- CMOS and TTL compatible enable input
- Undervoltage lockout (UVLO)
- 12 μA maximum standby supply current
- Ambient temperature range, -40 to 85 °C
- ESD protection: 8 kV HBM
- Reverse current protection
- Fault blanking
- UL recognized components (UL file number: E354278)
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STMPS2171
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Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STMPS2171MTR | Active | SO-8 | Industrial | Ecopack3 | |
| STMPS2171STR | Active | SOT23-5L | Industrial | Ecopack3 | |
| STMPS2171TTR | Active | MiniSO-8 | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Autoshutdown | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||||||
| STMPS2171TTR | | | distributors No availability of distributors reported, please contact our sales office |
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| STMPS2171STR | | | distributors No availability of distributors reported, please contact our sales office |
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| STMPS2171MTR | | | distributors No availability of distributors reported, please contact our sales office |
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STMPS2171TTR Active
STMPS2171STR Active
STMPS2171MTR Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors