Hxje Ic Datasheet Top -

If you cannot find the original HXJE/BQ24040, these drop-in replacements (same pinout and function) are available:

| Part Number | Manufacturer | Notes | |-------------|--------------|-------| | MCP73831 | Microchip | 500mA max, SOT-23-5 | | MAX1555 | Maxim | USB/AC charger, DFN | | LTC4054 | Linear Tech | 800mA, ThinSOT | | TP4056 | Top Power | 1A, but SOP-8 (different pinout) |

Check pinout before replacing. The BQ24040 uses WSON-10; others may use different packages.

The HXJE IC stands out in the semiconductor market as a cost-effective, high-efficiency solution for off-line LED driving. By integrating the MOSFET and removing the need for magnetic components, it simplifies the design process for lighting manufacturers, offering a robust balance of performance, size, and cost.

(often marked as ) is a high-efficiency, DC-DC charge pump boost converter

integrated circuit typically found in consumer electronics like portable Bluetooth speakers and power banks. It is widely used in Chinese-manufactured electronics as a low-cost solution for generating a regulated 5V rail from a lower lithium-ion battery voltage (3.0V–4.5V). The HX-JE is frequently cross-referenced with the 🛠️ Technical Specifications Based on the datasheet for the Go to product viewer dialog for this item.

(the common equivalents), the device is a switched-capacitor voltage doubler. Input Voltage Range: 2.7V to 4.5V. Fixed Output Voltage: 5.0V (typically regulated at 4.94V ± 3%). Output Current: Operating Frequency: 360kHz (low noise constant frequency). Package Type: Go to product viewer dialog for this item. (6-pin surface mount). Efficiency:

High efficiency without the need for an external inductor (uses a "flying capacitor"). 📍 Pin Configuration (SOT-23-6)

Since this is a charge pump IC, its pinout is standard for the 4004/3120 series: Description Regulated Output Voltage (5V) Flying Capacitor Negative Terminal Flying Capacitor Positive Terminal Input Voltage (Battery) Active High Enable Pin 💡 Key Features and Applications No Inductor Needed:

Uses small ceramic capacitors to boost voltage, saving board space. Low Noise:

The fixed frequency operation minimizes electromagnetic interference (EMI), crucial for audio applications. Applications: Regulating power for Bluetooth speaker control boards. White LED backlighting. Battery-powered medical instruments. Li-Ion to 5V local conversion. 🔍 Identification Tips

Look for "HX=JE" or "HX-JE" on the top of the SOT-23-6 package.

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

marking refers to the ), a low-noise, constant-frequency DC-DC charge pump converter designed by Hexin Semiconductor

. It is commonly used in battery-powered devices to provide a stable 5V output. Core Specifications 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 approximately 4.94V (Range: 4.8V to 5.1V). Max Output Current: Up to 300 mA. Switching Frequency: 360 kHz to 400 kHz. Operating Temperature: negative 40 raised to the composed with power C positive 85 raised to the composed with power C Package Type: SOT-23-6 (also known as SOT-26). Pinout Configuration The IC uses a 6-pin SOT-23 layout: Description Regulated output voltage pin. Ground connection. Enable pin; pull high to activate the chip.

Connection for the negative terminal of the flying capacitor. Input voltage power supply pin. hxje ic datasheet top

Connection for the positive terminal of the flying capacitor. Key Features Low Noise:

Designed for noise-sensitive applications like wireless communication. High Efficiency:

Operates as a charge pump, eliminating the need for bulky inductors. Compact Design:

Requires only small ceramic capacitors for operation, saving PCB space. Protection:

Typically includes thermal shutdown and short-circuit protection features. SparkFun Electronics Common Equivalents

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

A high-efficiency step-up converter (though it requires an inductor). A standard step-up voltage regulator alternative. Jotrin Electronics ordering information for this specific component?

HX4004A DC-DC преобразователь HX-JE SOT23-6 CHP166

The marking "HXJE" on an integrated circuit (IC) typically identifies the HX4004 (or HX4004-MFC), a high-performance DC-DC Step-Up (Boost) Converter. Technical Specifications

Package Type: Most commonly found in a SOT23-6 surface-mount package.

Function: A "non-sensing" boost IC designed to increase voltage efficiently without requiring complex external sensing components. Key Features: Pins: 6-pin configuration.

Application: Used in high-speed digital applications and portable electronic systems that require stable voltage boosting.

Operating Range: While some listings cite broad generalized ranges, specific datasheets for the HX4004 should be consulted for precise minimum/maximum input and output voltages. Identification & Sourcing

Top Markings: "HXJE" or "HX=JE" are standard top-side laser markings for this part.

Retailers: You can typically find these components on specialized electronics platforms like Jotrin Electronics or AliExpress. "HXJE" in Other Contexts If you cannot find the original HXJE/BQ24040, these

Beyond semiconductors, "HXJE" appears as an engine code for certain 1.25L Duratec engines (often found in Ford vehicles like the Fiesta). In this context, it refers to specific automotive timing tools and engine components rather than an electronic chip. HX-JE HX4004 HX4004-MFC SOT23 IC Nguồn DC-DC

The HXJE (often marked as HX-JE) is a specialized integrated circuit frequently identified as a non-sensing boost converter or a voltage doubler. In electronics repair and design, this marking typically points to the HX4004 or the PS3120A IC, both of which are high-efficiency power management solutions used in portable devices. Core Specifications and Technical Overview

The HXJE IC is designed for space-constrained applications requiring voltage elevation without complex external sensing networks. Depending on the specific manufacturer and sub-variant, the datasheet typically includes the following parameters:

Input Voltage Range: 2.5 V to 5.5 V (optimized for Li-ion battery ranges).

Regulated Output: Often fixed at 3.3 V (±2%) or 4.94 V (±3%) depending on whether it is acting as a standard boost or a voltage doubler. Max Output Current: Approximately 150 mA to 230 mA.

Operating Frequency: Low-noise constant frequency operation at roughly 360 kHz.

Package Type: Available in ultra-small SOT-23-3 or SOT-23-6L surface-mount packages. Key Features for Designers

Non-Sensing Operation: Eliminates the need for external sensing components, which reduces the overall bill of materials (BOM) and PCB footprint.

Enable/Disable Functionality: Includes a control pin to power down the IC, effectively reducing quiescent current for battery-powered longevity.

Low Dropout (LDO) Characteristics: In LDO modes, it maintains a low dropout voltage of approximately 120 mV at 100 mA. Common Applications

The HXJE IC is a staple in modern consumer electronics, particularly where stable power is needed from fluctuating battery levels:

White LED Backlighting: Providing constant current/voltage for display panels.

Battery Backups: Regulating output from single-cell lithium batteries.

Smart Cards and PCMCIA: Managing power for low-profile interface cards. Cross-Reference and Equivalents

If a direct HXJE replacement is unavailable, technicians often look for equivalent ICs with matching pinouts and electrical characteristics. The HXJE IC stands out in the semiconductor

Direct Equivalents: The HX4004 and PS3120A are the primary cross-references for this marking.

Search and Procurement: For official documentation, you can search for the full HX4004 Datasheet on Jotrin Electronics or use the AllDataSheet Search Tool to compare electrical tolerances with other SOT-23-6 boost converters. HX-JE - Discrete Semiconductors - Jotrin Electronics

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

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.

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

The marking (often referred to as ) identifies the ) integrated circuit. This is a low-noise, constant-frequency DC-DC charge pump

converter typically used in compact power management applications. Core Technical Specifications According to various sources and technical listings for the HX4004/HX4004A , the device features: Regulated output voltage DC-DC converter. Operating Frequency: Fixed at approximately Output Current: Capable of delivering up to 0.23A (230mA) Package Type: Typically found in a small or SOT-23-6L surface-mount package. Operation Mode:

Non-sensing boost operation, meaning it does not require external sensing components for its boost functionality. Jotrin Electronics Identification & Equivalents

The "HXJE" code is a "top mark" or "marking code" used because the physical package is too small to fit the full part number. Primary Part Number: HX4004 or HX4004A. Manufacturer: Hexin Semiconductor. Cross-Reference/Analogs:

The chip is frequently listed as equivalent or identical to the IC Components Key Features for Design The marking codes database cross reference search.

Formula: I_CHG = (K_SET / R_ISET), where K_SET = 1200 for BQ24040. Example: For 500mA, R_ISET = 1200 / 0.5 = 2400 Ω (2.4k).