Hxje Ic Datasheet Top
While specific pin counts can vary (commonly SOP-8 or DIP-8 packages), the standard pin configuration for a standard HXJE driver IC is as follows:
(Note: Always verify the specific package diagram in the official PDF datasheet, as pin assignments can shift between revisions.)
Based on repair logs and teardowns, boards with the HXJE marking appear in:
In all these, the HXJE acts as the main charging controller, accepting 5V USB and safely charging a single 18650 or pouch cell.
Why do engineers select the HXJE over standard switching regulators?
The internal block diagram of the HXJE reveals a streamlined architecture focused on reliability:
In the world of surface-mount technology (SMT), identification is everything. Many integrated circuits (ICs) use shorthand marking codes rather than full part numbers due to the limited space on tiny packages like SOT-23-5, DFN, or SC-70. The code "HXJE" is one such marking found on small ICs, typically associated with power management functions—most commonly single-cell lithium-ion battery chargers or load switches.
If you are searching for the "HXJE IC datasheet top", 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.
Important Note: "HXJE" is rarely the full part number. It is a top marking code. The actual component is often from manufacturers like Texas Instruments, Maxim (Analog Devices), Richtek, or Microne. Based on extensive cross-referencing, HXJE most commonly points to the TI BQ24040 or a functional equivalent.
If you've used the "hxje ic" in a project or have directly interacted with the product, consider sharing your experiences:
Your review can help others make more informed decisions, especially if you're able to provide specific examples or comparisons.
The HX-JE (often marked as HX=JE) is a high-efficiency integrated circuit primarily used as a DC-DC boost converter or regulated charge pump voltage doubler. It is widely recognized for its compact SOT23-6 package and its ability to provide a stable 5V output from low-voltage sources like lithium-ion batteries. Core Specifications of the HX-JE IC
The HX-JE is typically a drop-in equivalent or marking for the HX4004 or PS3120A series. Key technical parameters include:
Input Voltage Range: 2.7V to 4.5V (optimized for single-cell Li-ion batteries). Regulated Output: Fixed 4.94V ± 3%.
Output Current: Capable of delivering up to 110mA to 230mA, depending on input conditions.
Switching Frequency: Operates at a constant low-noise frequency of 360kHz. Package: Standard SOT-23-6L (6-pin surface mount). Key Features and Protection
Engineers often select the HX-JE for its integrated safety and performance features that simplify circuit design:
Non-Sensing Boost: Tailored for applications requiring voltage stepping without complex external sensing components.
Protection Circuitry: Includes built-in soft-start to prevent inrush current, short-circuit protection, and thermal shutdown.
Low Noise: Its synchronous architecture and constant frequency minimize electromagnetic interference (EMI), making it suitable for sensitive electronics. Common Applications
Due to its small footprint and 5V regulation, the HX-JE is found in various consumer electronics:
White LED Backlighting: Providing steady power for displays in mobile devices.
Battery Backup Systems: Stepping up power for portable electronics. hxje ic datasheet top
Smart Cards and PCMCIA Supplies: Powering peripheral interface cards.
General DC-DC Conversion: Used in devices like the Realme C2 or Happy Goldfish A1K to maintain stable power rails. Sourcing and Data Sheets
For technical implementation, the HX-JE is frequently cross-referenced with the HX4004 or PS3120A datasheets. You can find availability and technical specifications through major electronic component distributors:
Jotrin Electronics: Offers HX-JE product details and inventory status.
Alibaba/AliExpress: Commonly listed under HX4004A HX-JE for bulk or hobbyist purchasing.
Scribd: Hosts detailed PS3120A/HX-JE datasheets for circuit schematics and pinout diagrams. 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.
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 While specific pin counts can vary (commonly SOP-8
An Integrated Circuit (IC) datasheet is a technical document that acts as a blueprint, detailing the electrical properties and physical requirements needed to integrate the component into a system. For a high-quality IC datasheet, the following content sections are typically included at the top or within the primary pages: Core Technical Content
General Description & Features: A high-level summary of what the IC does and its standout capabilities, such as low power consumption or high-speed performance.
Pin Configuration and Functions: A visual map (pinout diagram) and table identifying the purpose of every physical pin on the package.
Absolute Maximum Ratings: The critical limits (voltage, current, temperature) that, if exceeded, may permanently damage the device.
Recommended Operating Conditions: The specific environment and power ranges where the IC is guaranteed to perform reliably. Functional and Physical Specifications
Electrical Characteristics: Detailed tables listing parameters like input/output voltages, leakage currents, and power dissipation.
Functional Block Diagram: A simplified internal schematic showing how signals flow through the logic gates or internal subsystems.
Mechanical Specifications: Precise physical dimensions and tolerances of the IC package, essential for PCB design.
Typical Applications: Circuit examples provided by the manufacturer to show how the chip is intended to be used in real-world designs. Best Practices for Content Creation building project from datasheets only - Arduino Forum
(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
Searching for "HXJE" does not yield a specific, widely-known integrated circuit (IC) model under that exact name. It is likely a partial marking, a manufacturer prefix, or a specific batch code.
To find the correct datasheet, you need to identify the full part number or the manufacturer. Follow this guide to decode the component and find the right documentation. 1. Identify the Full Part Number
Common ICs often use a 2-4 letter prefix followed by numbers (e.g., LM358, MAX232). "HX" is a common prefix for manufacturers like HX (Holtek Semiconductor) or Nanjing Hi-Lo.
Check the second line: ICs often have a date code or batch number (like "HXJE") on the top line and the actual part number below it. (Note: Always verify the specific package diagram in
Look for Logos: Check for a small stylized "H," "M," or other symbols that identify the manufacturer.
SMD Marking Codes: If the chip is very small (SOT-23 package), "HXJE" might be a marking code rather than a part number. You can look these up on sites like The SMD Codebook or S-Manuals. 2. Where to Search for the Datasheet
Once you have a more specific number, use these specialized databases:
Alldatasheet: One of the largest archives for older and obscure parts.
DatasheetCatalog: Excellent for identifying parts by manufacturer.
Mouser or DigiKey: Search for "HX" in their IC category to see if a manufacturer name matches your component's branding. 3. How to Read the Datasheet
Once found, focus on these critical sections to ensure the IC works in your circuit:
Pin Configuration: A diagram showing what each leg of the chip does (e.g., VCC for power, GND for ground).
Absolute Maximum Ratings: The "danger zone." Never exceed these voltages or temperatures, or the chip may be destroyed.
Recommended Operating Conditions: The ideal environment (voltage and current) for the chip to function reliably.
Typical Application Circuit: Most datasheets include a "cheat sheet" schematic showing exactly how to wire the chip for its primary purpose.
Could you describe the component? Knowing the number of pins (e.g., 3, 8, or 16) and the package type (e.g., flat surface mount or through-hole) would help narrow down exactly what "HXJE" refers to.
The integrated circuit (IC) marked on the top is the (or its variant HX4004), a Low Noise, Regulated Charge Pump DC/DC Converter manufactured by Hexin Semiconductor. Core Specifications
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)
While generic boost ICs may vary, the HX4004A generally follows this layout for regulated charge pumps: AliExpress Pin 1 (VOUT) : Regulated output voltage. Pin 2 (GND) Pin 3 (FB/SHDN)
: 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
: As a charge pump, it uses capacitors rather than inductors to boost voltage, saving board space.
: Specifically engineered for sensitive circuits that require a "clean" power supply. Protection : Includes thermal shutdown and short-circuit protection. AliExpress Equivalent/Compatible Parts
You may find this IC cross-referenced or interchangeable with the following markings or part numbers:
HX4004A DC-DC преобразователь HX-JE SOT23-6 CHP166
VIN : 2.7.....4.5 В Напряжение на выходе VOUT: 4.94 В Разброс напряжения на выходе VOUT: 4.8.....5.1 В Ток холостого
To give you a meaningful top-level draft review, please clarify:
In the meantime, here’s a generic top-level datasheet review checklist you can apply to your HXJE draft: