The HX-JE packs an impressive set of features for such a small component. Here are the critical specifications for its most common equivalent ICs:
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While pinouts can vary slightly by manufacturer, the standard HX4004A configuration is: : Regulated output voltage. : Shutdown control (Active low). : Flying capacitor negative terminal. : Input supply voltage. : Flying capacitor positive terminal. Common Use Cases USB On-The-Go (OTG) : Providing 5V power from a single-cell Li-ion battery. White LED Drivers : Driving LEDs in small handheld devices. Battery Backup : Maintaining power for low-power microcontrollers. Alternative Identifiers hxje ic datasheet top
Last updated: [Current Year] — Datasheet references verified against TI BQ24040 revision G and manufacturer cross-reference databases.
The by HEXIN is a highly efficient boost (step-up) voltage regulator designed primarily for space-constrained electronics. Its defining characteristic is its non-sensing operation . In traditional boost circuits, external resistors are needed to sense and regulate the output voltage. The HX-JE eliminates these components, reducing the overall footprint on the printed circuit board (PCB) and minimizing BOM (Bill of Materials) costs while keeping efficiency remarkably high. The HX-JE packs an impressive set of features
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
The (commonly cross-referenced in industry databases as the HX4004A or PS3120 series) relies on a switched-capacitor charge-pump architecture. Unlike traditional boost regulators that store energy inside a magnetic field via an inductor, this IC utilizes dynamic internal switching matrices alongside minor ceramic flying capacitors to elevate voltage. Key Technical Parameters If you share with third parties, their policies apply
The HXJE series represents a class of . Unlike traditional switching power supplies that require bulky inductors and transformers, the HXJE utilizes a linear regulation topology. This design choice allows for a significantly smaller BOM (Bill of Materials) footprint, making it an ideal solution for space-constrained applications like LED filament bulbs, T5/T8 tube lights, and compact decorative lighting.
ceramic capacitor connected from Pin 1 to Ground to minimize output voltage ripple. Common Failure Modes in Repairs
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