Overview
The STMPS2151STR, produced by STMicroelectronics, is an enhanced single-channel power switch 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, which is controlled by a logic enable input. It is particularly suited for power distribution in systems that require robust protection against overcurrent and thermal issues.
Key Specifications
| Specification | Value |
|---|---|
| Continuous Current | 500/1000 mA |
| On-Resistance | 90 mΩ |
| 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 Options | SO-8, SOT23-5L, MiniSO-8 |
| RoHS Compliance | Ecopack3 |
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)
- Reverse current protection
- Fault blanking
- UL recognized components (UL file number: E354278)
- ESD protection: 8 kV HBM
Applications
The STMPS2151STR is ideal for various applications requiring robust power distribution and protection, such as:
- Power management in consumer electronics
- Automotive systems
- Industrial control systems
- Medical devices
- Telecommunication equipment
Q & A
- What is the continuous current rating of the STMPS2151STR?
The continuous current rating is 500/1000 mA. - What is the on-resistance of the MOSFET switch in the STMPS2151STR?
The on-resistance is 90 mΩ. - What is the operating voltage range of the STMPS2151STR?
The operating voltage range is from 2.7 to 5.5 V. - What kind of protection does the STMPS2151STR offer?
The device offers thermal and short-circuit protection with overcurrent logic output, as well as ESD protection and reverse current protection. - What are the package options available for the STMPS2151STR?
The package options include SO-8, SOT23-5L, and MiniSO-8. - Is the STMPS2151STR RoHS compliant?
Yes, it is RoHS compliant with an Ecopack3 rating. - What is the ambient temperature range for the STMPS2151STR?
The ambient temperature range is -40 to 85 °C. - Does the STMPS2151STR have UL recognition?
Yes, it is UL recognized with the file number E354278. - What is the standby supply current of the STMPS2151STR?
The maximum standby supply current is 12 µA. - How does the STMPS2151STR handle thermal shutdown?
The device shuts off automatically during thermal shutdown and recovers once it has cooled sufficiently.
