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CN3703 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CN3703 product

CN3703

PMIC - Battery Chargers

Battery ChargerLi-IonPWM

The CN3703 is a dedicated PWM step-down charger IC for 3-cell Li-ion battery packs, supporting up to 5A charging current.

Best for

  • 3-cell Li-ion battery charging
  • Portable power applications
  • Power tools

Avoid if

  • Applications requiring more than 3 cells in series
  • Designs where space is extremely limited for external power components

Check before use

  • Inductor saturation current
  • MOSFET thermal dissipation

Key specifications

Input Voltage
7.5V - 28V
Charge Current
5A
Output Voltage
12.6V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ToolsPortable Instruments

Datasheet

8d17c6072af384aed56c60d64f500fd0.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CN3703: 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 CN3703 is a PWM step-down battery charger management IC specifically designed for 3-cell Li-ion battery packs.