BUY MB3878 https://www.utsource.net/itm/p/1038819.html
DC/DC Converter ic For Charging
Manufacturer: FUJ Package/Case: SSOP24 Description: High-Speed, Low-Power, Quad, CMOS, Voltage Comparator Features: Low supply current Low input offset voltage Low input bias current Low output saturation voltage High speed Low power consumption Open-drain output TTL/CMOS compatible Wide operating voltage range Applications: Battery-powered systems Portable equipment Data acquisition systems Automotive systems Industrial control systems Motor control systems Power supply control systems (For reference only)