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: While "HXJE" is the marking code, similar parts from this manufacturer (HXJ) are often found in SOT23-6 , SOP8 , or SOP16 packages.
The internal block diagram of the HXJE reveals a streamlined architecture focused on reliability:
Low-noise operational profile simplifies electromagnetic interference (EMI) filtering. SOT23-6 / SOT-23-6L
: Here, you'll find detailed specifications about the IC's performance under certain conditions. This can include voltage regulators' output voltage accuracy, current limits, input voltage range, and more. hxje ic datasheet top
Providing steady power for displays in mobile devices.
The core functionality of the HX-JE relies on an . Traditional boost converters require bulky power inductors that consume critical PCB real estate and can radiate high levels of EMI. The HX-JE circumvents this limitation by utilizing internal power MOSFETs to rapidly switch energy between the flying capacitor and the output capacitor. Non-Sensing Feedback Loop
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). : While "HXJE" is the marking code, similar
If you are dealing with an unknown Chinese or clone IC marked "HXJE", do this:
Compact, 6-pin surface mount profile suited for space-constrained PCBs. Pin Configuration and Architecture
The HX‑JE family of charge‑pump converters—embodied by parts like the HX4004A and HU3031B—offers an elegant solution for generating a stable 5 V rail from a single Li‑ion cell. Its inductor‑less design, minimal external component count, and robust protection features make it a go‑to choice for compact, battery‑powered devices. If you share with third parties
(often marked as ) is a high-efficiency, DC-DC charge pump boost converter
Due to its small footprint and 5V regulation, the HX-JE is found in various consumer electronics:
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