Overview
The STMPS2141MTR is a power distribution switch IC manufactured by STMicroelectronics. This device is part of the STMPS2141 series, which includes enhanced single-channel power switches designed to handle heavy capacitive loads and short-circuits. The STMPS2141MTR features a 90 mΩ N-channel MOSFET high-side power switch, making it suitable for various power distribution applications. The switch is controlled by a logic enable input and includes several protection mechanisms to ensure reliable operation.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STMPS2141MTR |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 8 |
| Number of Outputs | 1 |
| Max Output Current | 500 mA |
| Supply Voltage | 2.7 V to 5.5 V |
| Max Supply Current | 40 μA |
| Operating Temperature | -40 °C to 85 °C |
| Rds On (Typ) | 110 mΩ |
| ESD Protection | 8 kV HBM |
| Fault Protection | Current Limiting, Over Temperature, Reverse Current, UVLO |
Key Features
- 90 mΩ high-side N-channel MOSFET switch
- Continuous current rating of 500 mA
- Thermal and short-circuit protection with overcurrent logic output
- CMOS and TTL compatible enable input
- Undervoltage lockout (UVLO)
- Maximum standby supply current of 12 μA
- ESD protection: 8 kV HBM
- Reverse current protection and fault blanking
- UL recognized components (UL file number: E354278)
Applications
The STMPS2141MTR is designed for applications where heavy capacitive loads and short-circuits are likely to occur. This includes power distribution in various electronic systems, such as consumer electronics, industrial control systems, and automotive electronics. The device's robust protection mechanisms make it suitable for use in environments where reliability and safety are critical.
Q & A
- What is the maximum output current of the STMPS2141MTR?
The maximum output current of the STMPS2141MTR is 500 mA.
- What is the operating voltage range of the STMPS2141MTR?
The operating voltage range is from 2.7 V to 5.5 V.
- What type of protection mechanisms does the STMPS2141MTR include?
The device includes thermal and short-circuit protection, overcurrent logic output, undervoltage lockout (UVLO), reverse current protection, and fault blanking.
- What is the typical on-resistance (Rds On) of the STMPS2141MTR?
The typical on-resistance (Rds On) is 110 mΩ.
- What is the maximum standby supply current of the STMPS2141MTR?
The maximum standby supply current is 12 μA.
- What is the ESD protection rating of the STMPS2141MTR?
The ESD protection rating is 8 kV HBM.
- What is the operating temperature range of the STMPS2141MTR?
The operating temperature range is from -40 °C to 85 °C.
- Is the STMPS2141MTR UL recognized?
- What type of enable input does the STMPS2141MTR have?
The STMPS2141MTR has a CMOS and TTL compatible enable input.
- What is the package type of the STMPS2141MTR?
The package type is 8-SOIC (0.154, 3.90mm Width).
