Regulated 5.0V (Standard configuration for USB/5V rails)
If you are dealing with an unknown Chinese or clone IC marked "HXJE", do this:
Q: What is the package type of the HXJE IC? A: The HXJE IC is available in various package types, including SOP, TSSOP, and QFN. hxje ic datasheet top
Q: What is the HXJE IC used for? A: The HXJE IC is used in a wide range of applications, including power management, audio amplification, and communication systems.
The marking code represents the HX4004A (specifically the HX4004A-MF or HX4004A-MFC variant), a high-efficiency, low-noise, regulated charge pump DC-DC step-up converter . Alternatively, the identical "HX=JE" surface marking is shared by the PS3120A voltage doubler, functioning as a pin-to-pin compatible replacement. This specialized component uses an inductorless "non-sensing" design inside a compact SOT23-6 package to boost low lithium-ion battery voltages up to a stable 5V output. Core Specifications Overview Regulated 5
Typically includes thermal shutdown and short-circuit protection features. SparkFun Electronics Common Equivalents
Operating at a fixed frequency of 360 kHz prevents sub-harmonic noise from bleeding into audio or wireless communication paths. The SOT23-6 package exhibits robust thermal characteristics, enabling it to comfortably sustain high continuous output currents under heavy loads without encountering immediate thermal throttling. Top Application Scenarios A: The HXJE IC is used in a
Low-noise operational profile simplifies electromagnetic interference (EMI) filtering. SOT23-6 / SOT-23-6L
Active-high Enable input. Driving this pin to ground forces the IC into a low-current shutdown mode; pulling it to VINcap V sub cap I cap N end-sub
Ultra-low 0.17 mA under no-load conditions, preserving battery lifespans in idle standby states.