Overview
The STMPS2151MTR, produced by STMicroelectronics, is an enhanced single-channel power distribution switch. This device is designed for applications where heavy capacitive loads and short-circuits are likely to occur. It incorporates a 90 mΩ N-channel MOSFET high-side power switch, controlled by a logic enable input. The switch provides robust protection against thermal and short-circuit conditions, ensuring reliable operation in demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| High-side MOSFET Switch Resistance | 90 mΩ |
| Continuous Output Current | 500 mA |
| Operating Voltage Range | 2.7 to 5.5 V |
| Enable Input Type | CMOS and TTL compatible, Active High |
| Undervoltage Lockout (UVLO) | Present |
| Standby Supply Current | 12 μA (maximum) |
| Ambient Temperature Range | -40 to 85 °C |
| ESD Protection | 8 kV HBM |
| Reverse Current Protection | Present |
| Fault Blanking | Present |
| UL Recognition | UL file number: E354278 |
| Package Types | SO-8, SOT23-5L, MiniSO-8 |
Key Features
- Thermal and short-circuit protection with overcurrent logic output
- Automatic recovery from thermal shutdown once the device has cooled sufficiently
- Internal circuitry ensures the switch remains off until a valid input voltage is present
- Reverse current protection and fault blanking
- Low standby supply current of 12 μA (maximum)
- ESD protection up to 8 kV HBM
- UL recognized components (UL file number: E354278)
Applications
The STMPS2151MTR is suitable for various applications where reliable power distribution is critical, such as:
- Power management in consumer electronics
- Industrial control systems
- Automotive systems requiring robust power switching
- Medical devices needing high reliability and safety features
- Telecommunication equipment
Q & A
- What is the primary function of the STMPS2151MTR?
The STMPS2151MTR is an enhanced single-channel power distribution switch designed to manage power distribution in applications with heavy capacitive loads and potential short-circuits.
- What is the resistance of the high-side MOSFET switch in the STMPS2151MTR?
The high-side MOSFET switch has a resistance of 90 mΩ.
- What is the continuous output current rating of the STMPS2151MTR?
The continuous output current rating is 500 mA.
- What is the operating voltage range of the STMPS2151MTR?
The operating voltage range is from 2.7 to 5.5 V.
- Does the STMPS2151MTR have thermal protection?
- What type of enable input does the STMPS2151MTR use?
The enable input is CMOS and TTL compatible and is active high.
- What is the standby supply current of the STMPS2151MTR?
The maximum standby supply current is 12 μA.
- Does the STMPS2151MTR have ESD protection?
- Is the STMPS2151MTR UL recognized?
- What are the available package types for the STMPS2151MTR?
The available package types are SO-8, SOT23-5L, and MiniSO-8.
