Hxje — Ic Datasheet Top |verified|
One of the first things hardware engineers check in an IC datasheet is the . For the HX-JE, the schematic is typically straightforward, requiring only a handful of external passive components:
: Feedback or Shutdown (depending on the specific sub-variant). Pin 4 (C-) : Flying capacitor negative terminal. Pin 5 (VIN) : Input power supply. Pin 6 (C+) : Flying capacitor positive terminal. Key Characteristics Inductorless Design
Verified via controlled bench testing using programmable power supplies and loads. 6. Conclusion
| 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 | hxje ic datasheet top
The marking code represents the HX4004A (specifically the HX4004A-MF or HX4004A-MFC variant), a high-efficiency, low-noise, regulated charge pump DC-DC step-up converter . Alternatively, the identical "HX=JE" surface marking is shared by the PS3120A voltage doubler, functioning as a pin-to-pin compatible replacement. This specialized component uses an inductorless "non-sensing" design inside a compact SOT23-6 package to boost low lithium-ion battery voltages up to a stable 5V output. Core Specifications Overview
: Were there any drawbacks or issues you encountered?
Regulated 4.94V power output. This pin requires a small ceramic bypass capacitor placed as close to the silicon as possible to reduce transient voltage ripples. One of the first things hardware engineers check
): Ground Reference. Must be tied directly to a low-impedance system ground plane. Pin 3 ( C−cap C raised to the negative power
If you are unable to find the original HXJE branded part, engineers often use cross-referenced components with similar electrical characteristics:
Often carries the "HX" manufacturer mark, which corresponds to various specialized Chinese semiconductor houses. Go to product viewer dialog for this item. HX-JE - Discrete Semiconductors - Jotrin Pin 5 (VIN) : Input power supply
| Full Part Number | Manufacturer | Package | Function | |----------------|--------------|---------|-----------| | BQ24040DSQT | Texas Instruments | WSON-10 (3x3mm) | 1A Single-Input Li-Ion Battery Charger |
): 2.7V to 4.5V (ideal for single-cell Li-ion or Li-poly batteries). Regulated Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub
If you are searching for the , you likely have a PCB in front of you with a tiny 5-pin or 6-pin chip labeled "HXJE," and you need its full specifications, pin configuration, and application circuit. This article serves as the ultimate resource to decode the "HXJE" top marking and find the exact datasheet.
The (primarily known by its full manufacturer part numbers HX4004 or HX4004A ) is a highly sought-after, low-noise, regulated charge pump DC-DC boost converter. Manufactured by Hexin Semiconductor, this component is widely recognized in engineering and electronics repair circles by its top-side SMD marking code: HX=JE (or HX-JE). Packaged in a compact SOT-23-6 format , it is an inductorless voltage doubler and step-up chip designed to deliver a fixed 5V output from low-voltage inputs, typically sourced from lithium-ion batteries.
