| Pin | Name | Description | |-----|------|-------------| | 1 | TS | Temperature sense (NTC thermistor) | | 2 | STAT1 | Charge status indicator 1 | | 3 | STAT2 | Charge status indicator 2 | | 4 | VSS | Ground | | 5 | VSS | Ground (pad) | | 6 | PRETERM | Pre-charge / termination control | | 7 | ISET | Charge current set (resistor to GND) | | 8 | EN | Enable (low = enable, high = disable) | | 9 | OUT | Battery output voltage | | 10 | IN | Power input |
The top marking "HXJE" appears on the package, with the first line as "HXJ" and second line as "E" or similar.
| Full Part Number | Manufacturer | Package | Function | |----------------|--------------|---------|-----------| | BQ24040DSQT | Texas Instruments | WSON-10 (3x3mm) | 1A Single-Input Li-Ion Battery Charger |
For engineers calculating thermal management and efficiency, the following parameters are critical: hxje ic datasheet top
The HXJE series represents a cost-effective and robust solution for modern power supply needs. Its combination of a built-in power switch and comprehensive protection logic simplifies the design process for compact LED drivers and chargers. For precise component selection, engineers should consult the latest revision of the official datasheet provided by the semiconductor distributor.
Disclaimer: This article is for informational purposes. Specifications vary by manufacturer and revision. Always consult the official technical documentation before hardware implementation.
The marking "HX-JE" (often appearing as HX=JE) on an IC top refers to the HX4004A or PS3120A, which are low-noise, regulated charge pump DC/DC converters. These components are typically used for non-sensing boost applications, such as driving white LEDs or doubling battery voltage without needing an inductor. Key Specifications | Pin | Name | Description | |-----|------|-------------|
According to technical data from Oskolchip and Jotrin Electronics generally features the following: Input Voltage ( VINcap V sub cap I cap N end-sub ): 2.7V2.7 cap V 4.5V4.5 cap V Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub ): Typically fixed at approximately 4.94V4.94 cap V 4.8V4.8 cap V 5.1V5.1 cap V Max Output Current: 300mA300 m cap A 110mA110 m cap A 230mA230 m cap A depending on input voltage). Operating Frequency: 360kHz360 k cap H z Package Type: Go to product viewer dialog for this item. (6-pin Small Outline Transistor).
Function: Non-sensing boost / Voltage doubler that requires only external capacitors, making it an "inductorless" solution. Pinout Configuration (SOT-23-6)
While pinouts can vary slightly by manufacturer (e.g., Hexin vs. others), a standard charge pump IC in a SOT-23-6 package like the typically follows this layout: VOUT: Regulated output voltage. GND: Ground connection. | Full Part Number | Manufacturer | Package
SHDN: 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
Battery-Powered Devices: Boosting lithium-ion battery voltage for 5V circuits.
LED Drivers: Driving white LEDs in backlights or flashlights.
Home Automation & Robotics: Providing stable voltage in compact DIY electronics projects. AI responses may include mistakes. Learn more HX-JE - Discrete Semiconductors - Jotrin Electronics
Below is the standard circuit taken from the BQ24040 datasheet, which matches boards marked "HXJE":