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PJ4054B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

PJ4054B product

PJ4054B

Amplifiers

Battery ChargerLi-ionLinearSOT-23-5

The PJ4054B is a compact, linear battery charger IC designed for single-cell Li-ion batteries, featuring programmable charging current up to 500mA and integrated thermal protection.

Best for

  • Portable USB-powered devices
  • Single-cell Li-ion battery charging

Avoid if

  • Applications requiring multi-cell charging
  • High-power charging exceeding 500mA

Check before use

  • Thermal dissipation in the SOT-23-5 package
  • Input voltage stability

Key specifications

Max Charge Current
500 mA
Float Voltage
4.2 V
Input Voltage
4.25 V - 6.5 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Management

Datasheet

d4a4543a0f50444610a9d56b8f6a64f9_2110272230_PJSEMI-PJ4054B_C2911335.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for PJ4054B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The PJ4054B is a linear charger IC for single-cell lithium-ion batteries, providing constant current/constant voltage charging.