S-19721A00A-V9T1U7

Power Management - Specialized Overview

The S-19721A00A-V9T1U7 is an automotive-grade linear voltage regulator from the S-19721 series, manufactured by ABLIC. It features a wide input voltage range of up to 36V with a 45V rating, suitable for direct connection to 12V lead-acid batteries. The device provides an adjustable output voltage ranging from 2V to 8V and supports a maximum output current of 250mA. Key electrical specifications include a typical dropout voltage of 330mV, low quiescent current of 40µA during operation, and high PSRR of 80dB. It operates within a temperature range of -40°C to +125°C.

Power Management - Specialized Feature Summary

• Features an abnormality notification function that detects IC anomalies and outputs signals to the INT terminal, enhancing system safety.
• Incorporates built-in protection circuits including overcurrent protection, thermal shutdown, and reverse current prevention.
• Delivers industry-leading low offset voltage of ±4.5mV to ensure accurate sensor readings in external applications.

Power Management - Specialized Applications

• Power supply for board-out sensors such as current, temperature, torque, and steering angle sensors.
• Automotive components including inverters, onboard chargers, BMS, EPS, and ESC systems.
• EV, HEV, and PHEV related equipment requiring stable voltage regulation under varying load conditions.

Power Management - Specialized Procurement Notes

Verify the specific suffix V9T1U7 against official ABLIC documentation to confirm package type and tape/reel specifications. Ensure compliance with AEC-Q100 Grade 1 standards if used in automotive environments. Confirm PPAP status for mass production integration. Cross-reference pinout configurations with HSOP-8A or TO-252-9S datasheets depending on the exact variant requirements.

Power Management - Specialized Selection Notes

Select this component when precise voltage tracking for sensors is required due to its low offset voltage characteristics. Consider the 250mA output capability for powering multiple sensors simultaneously. The adjustable output range allows flexibility in setting reference voltages. Ensure thermal management is adequate given the power dissipation at higher currents and input voltages.

Power Management - Specialized Part Context

This part belongs to the S-19721 series of automotive voltage trackers designed by ABLIC. The series is engineered to improve autonomous driving safety through enhanced monitoring and protection features. It addresses the needs of modern vehicles where sensor accuracy and reliability are critical for operational safety and performance.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult ABLIC's official cross-reference guides or distributor databases for compatible alternatives meeting similar electrical and automotive qualification criteria.