STMicroelectronics STMPS2151MTR Power Switch IC
- Brand: STMicroelectronics
- Product Code: STMPS2151MTR
- Availability: In Stock
$0.30
- Ex Tax: $0.30
Advanced Power Management with STMicroelectronics STMPS2151MTR
The STMicroelectronics STMPS2151MTR represents a cutting-edge solution for modern power management systems requiring compact, efficient, and reliable switching capabilities. As a high-side N-channel power switch IC housed in an 8-SOIC package, this device combines exceptional performance with comprehensive protection features that make it ideal for demanding applications across industrial, automotive, and consumer electronics sectors.
Key Technical Advantages
Engineered with advanced semiconductor technology, the STMPS2151MTR delivers a maximum output current capacity of 500mA while maintaining an exceptionally low Rds(on) of 110mΩ. This remarkable conduction efficiency minimizes power losses and thermal stress, enabling reliable operation in space-constrained designs. The device's wide operating voltage range from 2.7V to 5.5V provides exceptional versatility, accommodating everything from battery-powered IoT devices to industrial control systems.
One of the standout features is its comprehensive fault protection architecture, which includes current limiting, over-temperature protection, reverse current blocking, and UVLO (Under-Voltage Lockout). These integrated safeguards create a robust defense against common electrical faults, significantly enhancing system reliability and reducing the need for external protection components.
| Parameter | Specification |
|---|---|
| Output Configuration | High-Side N-Channel |
| Current Capacity | 500mA Max |
| Rds(on) | 110mΩ (Typical) |
| Operating Voltage | 2.7V - 5.5V |
| Protection Features | Current Limiting, Thermal Shutdown, Reverse Current Blocking, UVLO |
Design Flexibility and Integration
The STMPS2151MTR's compact 8-SOIC surface-mount package (3.90mm width) makes it particularly suitable for modern PCB designs where space optimization is critical. Its non-inverting input configuration and on/off interface simplify integration with standard microcontroller GPIOs, enabling straightforward implementation in new designs or existing systems upgrades.
Engineers will appreciate the device's ability to operate without requiring a separate supply voltage (Vcc/Vdd), further simplifying power architecture design. The -40°C to 125°C operating temperature range ensures reliable performance in both standard commercial environments and demanding industrial applications where thermal stability is crucial.
Applications and System Benefits
This power switch IC finds valuable application in multiple domains, including:
- Smartphones and portable electronics
- Industrial automation equipment
- Consumer electronics with peripheral power control
- Automotive infotainment systems
- IoT edge devices
By integrating the STMPS2151MTR into these systems, designers achieve multiple benefits: reduced component count through integrated protection, improved power efficiency, enhanced system reliability, and simplified thermal management. The device's tape and reel packaging (TR) format also facilitates automated assembly processes, making it suitable for high-volume manufacturing environments.
Technical Excellence in Power Switching
STMicroelectronics' commitment to quality and performance shines through in this device's specifications. The 1:1 input-to-output ratio ensures predictable switching behavior, while the high-side configuration provides effective load isolation when switched off. These characteristics make it particularly suitable for applications requiring precise power sequencing or load management.
Tags: Power Management, High-Side Switching, Integrated Protection, Low Rds(on), Surface Mount