STPW12PHR

Current Regulation/Management Overview

The STPW12PHR is a programmable electronic power breaker designed for 12 VBUS applications, integrating an input power monitor and protection circuitry. It operates within an input voltage range of 10.5 V to 18 V, supporting a typical continuous current of 1.5 A with a P-channel on-resistance of 50 mΩ. The device features a typical power limit accuracy of 3% and includes adjustable power limit masking time, programmable auto-retry delay, thermal shutdown, and enable functionality. It provides a dedicated monitoring pin for real-time power information and supports direct PWM mode via an external signal.

Current Regulation/Management Feature Summary

• Integrates real-time input power sensing with automatic load disconnection upon exceeding programmed limits
• Features programmable auto-retry delay and power limit masking time for flexible fault recovery management
• Supports direct PWM mode operation through an external signal on the dedicated PWM pin
• Provides a dedicated monitoring pin for continuous feedback of monitored power status to system circuits

Current Regulation/Management Applications

• White home appliances
• Industrial applications
• Consumer electronics user interfaces
• Air conditioning units
• Fan motor control systems

Current Regulation/Management Procurement Notes

Verify the specific suffix 'PHR' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the required 10.5 V to 18 V input range and 1.5 A continuous current rating for the target application. Confirm that the SO-8 Power package dimensions align with the PCB layout requirements. Cross-reference the latest datasheet for any updates on operating temperature ranges or electrical characteristics.

Current Regulation/Management Selection Notes

Select this component when integrated electronic circuit breaker functionality with precise power monitoring is required. It is suitable for designs needing programmable fault response times and automatic retry mechanisms. Consider its ability to simplify UL compliance processes. Evaluate the need for direct PWM control capabilities and real-time power feedback via the monitoring pin for system integration.

Current Regulation/Management Part Context

The STPW12 series belongs to STMicroelectronics' portfolio of programmable electronic power breakers. These devices are engineered to protect downstream loads by monitoring input power and disconnecting the circuit during over-power conditions. The STPW12 specifically targets 12 VBUS applications, offering a compact solution that combines power switching, monitoring, and protection in a single integrated circuit.

Current Regulation/Management Replacement Considerations

Publicly confirmed substitute part numbers for STPW12PHR are not available in the provided reference data. Verify if other variants within the STPW12 family offer compatible electrical characteristics and pin configurations before considering alternatives.