BUY LM393DG4 https://www.utsource.net/itm/p/7263700.html
Comparator Dual ±15V/30V 8-Pin SOIC Tube
Description: The LM393DG4 is a low-power, dual-channel comparator with an open-drain output. Features: - Low power consumption - Low input bias current - Low input offset voltage - High input impedance - Open-drain output Applications: - Voltage monitoring - Motor control - Battery management - Power supply sequencing - Temperature sensing - Over-current protection (For reference only)