STMicroelectronics STMPS2141STR Power Switch IC
- Brand: STMicroelectronics
- Product Code: STMPS2141STR
- Availability: In Stock
$0.16
- Ex Tax: $0.16
Advanced Power Management with STMicroelectronics STMPS2141STR
In today's electronics landscape, efficient power management is crucial for maintaining performance while minimizing energy consumption. The STMicroelectronics STMPS2141STR emerges as a cutting-edge solution, offering a robust and versatile power switch IC designed for modern applications requiring precise control and protection. This N-channel, high-side power switch delivers exceptional functionality in a compact SOT-23-5 package, making it ideal for space-constrained designs across industrial, automotive, and consumer electronics sectors.
Key Features and Technical Specifications
The STMPS2141STR stands out with its comprehensive feature set, combining high-performance switching capabilities with advanced protection mechanisms. Operating within a wide 2.7V to 5.5V load voltage range, this device ensures compatibility with various power supply configurations. Its 500mA maximum output current capability, coupled with an ultra-low 90mΩ typical RDS(on), minimizes power loss and thermal dissipation for enhanced system efficiency.
| Parameter | Specification |
|---|---|
| Switch Type | General Purpose N-Channel |
| Output Configuration | High Side (1:1 Ratio) |
| Protection Features | Current Limiting, Over Temperature, Reverse Current, UVLO |
| Operating Temperature | -40°C to 125°C (TJ) |
Comprehensive Protection Architecture
One of the most compelling aspects of the STMPS2141STR is its integrated protection suite. The device incorporates multiple safeguard mechanisms that ensure reliable operation in demanding environments. Built-in current limiting prevents overcurrent conditions, while thermal shutdown protects against excessive junction temperatures. Reverse current blocking and undervoltage lockout (UVLO) features further enhance system stability by preventing improper operation during power anomalies.
Design Flexibility and Integration
This power switch IC demonstrates remarkable versatility through its simple on/off interface and non-inverting input configuration. The absence of a required Vcc supply simplifies design implementation, reducing component count and board complexity. The SOT-23-5 packaging facilitates surface mount assembly while maintaining excellent thermal performance. Designers benefit from the device's ability to seamlessly integrate into various power architectures without requiring significant redesign efforts.
Target Applications
The STMPS2141STR's combination of performance characteristics makes it particularly well-suited for applications such as:
- Portable electronic devices (smartphones, tablets)
- Industrial control systems
- Automotive electronics modules
- Consumer electronics peripherals
- Power over Ethernet (PoE) devices
Performance Advantages
By integrating multiple protection functions into a single compact package, this IC reduces the need for external discrete components. The low RDS(on) ensures minimal voltage drop during operation, preserving system efficiency. The wide operating voltage range provides design flexibility, accommodating various battery chemistries and power supply configurations. Additionally, the device's thermal protection and current limiting features contribute to enhanced system reliability and longevity.
Tags: Power Management, High Side Switch, Integrated Protection, Surface Mount IC, Voltage Regulation