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SK4054S5-42 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SK4054S5-42 product

SK4054S5-42

PMIC - Battery Chargers

Battery ChargerLi-IonLinear ChargerUSB Compatible

The SK4054 is a compact, standalone linear charger for single-cell Li-Ion batteries, ideal for USB-powered portable devices.

Best for

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

Avoid if

  • Multi-cell battery packs
  • High-power charging applications exceeding 500mA

Check before use

  • Thermal design of the PCB
  • Input voltage stability

Key specifications

Charge Voltage
4.2 V
Max Charge Current
500 mA
Package
SOT23-5

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

WearablesBluetooth Devices

Datasheet

f52e20b469e227b8b9448984cd68997a_2204151800_Suntek-SK4054S5-42_C2986186.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SK4054S5-42: 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 SK4054 is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries, optimized for USB-powered portable electronics.