Hxje Ic Datasheet Top ((top)) Jun 2026

Shutdown control (Active High/Low depending on specific model). C-: Flying capacitor negative terminal. VIN: Input power supply. C+: Flying capacitor positive terminal. Common Applications

The HX4004A is designed to step up (boost) voltage for applications like lithium battery systems and portable electronics. AliExpress Package Type : SOT-23-6 (also referred to as SOT26). Input Voltage ( cap V sub cap I cap N end-sub : 2.7V to 4.5V. Output Voltage ( cap V sub cap O cap U cap T end-sub : Fixed at (typically regulated between 4.8V and 5.1V). Max Output Current Switching Frequency : ~360 kHz to 400 kHz. Quiescent Current : 0.17 mA at cap V sub cap I cap N end-sub Pin Configuration (SOT-23-6) hxje ic datasheet top

Reconstructed via curve tracing and continuity testing to passive components. C+: Flying capacitor positive terminal

| Full Part Number | Manufacturer | Package | Function | |----------------|--------------|---------|-----------| | SY6912C | Silergy | SOP-8/MSOP-8 | Li-Ion Charger | | TP4057 (Marking: 4057X) | Top Power | SOT-23-6 | 500mA Charger | Input Voltage ( cap V sub cap I cap N end-sub : 2

If the HX4004 is unavailable, similar DC-DC converters used in similar boost applications include:

A mysterious marking like doesn’t mean the datasheet is lost forever. It means you need to stop treating it as a part number and start treating it as a clue .

Its synchronous architecture and constant frequency minimize electromagnetic interference (EMI), making it suitable for sensitive electronics. Common Applications