Overview
The STMPS2171STR is an enhanced single-channel power switch from STMicroelectronics, designed for applications where heavy capacitive loads and short-circuits are likely to occur. This device incorporates a 90 mΩ N-channel MOSFET high-side power switch, controlled by a logic enable input. It is particularly useful in scenarios requiring robust protection against overcurrent, short-circuits, and thermal overload.
Key Specifications
| Parameter | Value |
|---|---|
| Rated Continuous Output Current | 1000 mA |
| Enable Input Type | Active High |
| Operating Voltage Range | 2.7 to 5.5 V |
| Ambient Temperature Range | -40 to 85 °C |
| Standby Supply Current | 12 μA (max) |
| ESD Protection | 8 kV HBM |
| Package Type | SOT23-5L |
| Thermal Protection | Automatic shutdown and recovery |
| Reverse Current Protection | Yes |
| Fault Blanking | Yes |
| UL Recognition | UL file number: E354278 |
Key Features
- 90 mΩ high-side MOSFET switch
- Thermal and short-circuit protection with overcurrent logic output
- CMOS and TTL compatible enable input
- Undervoltage lockout (UVLO)
- ESD protection: 8 kV HBM
- Reverse current protection
- Fault blanking
- UL recognized components (UL file number: E354278)
Applications
The STMPS2171STR is suitable for a variety of applications, including but not limited to:
- Power distribution in electronic devices
- Protection against heavy capacitive loads and short-circuits
- Automotive systems requiring robust power switching
- Industrial control systems
- Consumer electronics needing reliable power management
Q & A
- What is the rated continuous output current of the STMPS2171STR?
The rated continuous output current is 1000 mA. - What is the operating voltage range of the STMPS2171STR?
The operating voltage range is from 2.7 to 5.5 V. - Does the STMPS2171STR have thermal protection?
Yes, it has thermal protection with automatic shutdown and recovery. - What type of enable input does the STMPS2171STR use?
The enable input is active high. - Is the STMPS2171STR ESD protected?
Yes, it has ESD protection up to 8 kV HBM. - What is the standby supply current of the STMPS2171STR?
The maximum standby supply current is 12 μA. - Does the STMPS2171STR have reverse current protection?
Yes, it has reverse current protection. - What is the ambient temperature range for the STMPS2171STR?
The ambient temperature range is -40 to 85 °C. - Is the STMPS2171STR UL recognized?
Yes, it is UL recognized with file number E354278. - What package type is the STMPS2171STR available in?
The STMPS2171STR is available in the SOT23-5L package.
