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TP4054A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TP4054A product

TP4054A

Battery Chargers

Li-ion chargersingle-cell chargerlinear charger4.2 V500 mASOT-23-5L

TP4054A is a compact linear charger for one 4.2 V Li-ion cell, with externally programmable charging up to 500 mA and a CHRG status output.

Best for

  • Compact single-cell Li-ion charging
  • USB or 5 V adapter powered products
  • Low-to-medium charge-current designs

Avoid if

  • Multi-cell battery packs
  • Applications requiring a switching charger
  • Designs requiring certified compliance data not supplied in this datasheet

Check before use

  • Charge-current resistor selection
  • Thermal dissipation at maximum charge current
  • Battery chemistry and 4.2 V charge-voltage compatibility

Key specifications

Battery type
Single-cell lithium-ion
Charge current
Up to 500 mA
Float voltage
4.200 V typical
Input operating voltage
4.5 V to 6.0 V
Package
SOT-23-5L

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Portable media playersBluetooth headsetsSingle-cell battery-powered devices

Datasheet

afbc7de37a433da64b44b35df2aba396_TP4054A.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TP4054A: 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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Alternative components

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

Design and risk insights

Questions & answers

TP4054A is a SOT-23-5L single-cell lithium-ion battery charger IC. It uses trickle, constant-current and constant-voltage charging and is designed for USB or adapter-powered applications.