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Cell Phone Charger and Adapter Applications

Power Integrations offers a broad range of highly integrated, high-voltage ICs for off-line power conversion in cell phone charger and adapter applications. Each IC includes a 700 V power MOSFET combined with control and protection circuitry on a single chip. Features include current limiting and thermal shutdown with automatic fault recovery capability to improve reliability, frequency jittering to reduce EMI and EcoSmart® technology to dramatically reduce standby energy waste.

Typical Product ApplicationDesign
Ideas		Design
Example
Reports		Engineering
Prototype
Reports		Reference
Design
Kits
5 W Universal Input, Tight CV/CC ChargerDesign Ideas are concise two-page documents describing a design for a specific application. Engineering Prototype Reports contain a power supply reference design specification, schematic, bill of materials, transformer documentation, and pcb layout. Performance data and typical operating characteristics are included. The design has been put into production for use in our Reference Design Kits.RDK-160
2.75 W Universal Input, Tight CV/CC ChargerDesign Ideas are concise two-page documents describing a design for a specific application. Engineering Prototype Reports contain a power supply reference design specification, schematic, bill of materials, transformer documentation, and pcb layout. Performance data and typical operating characteristics are included. The design has been put into production for use in our Reference Design Kits.RDK-160
1.75 W Loose CV/CC Charger/Adapterpdf   
12 W Universal Input CV Adapterpdf pdfRDK-91
Low-Cost 2 W Universal Input Tight CV Adapterpdf pdfDAK-89
2 W Charger Loose CV/CCpdf pdfDAK-85

 

Product Families Used in These Applications

IC Product
Family		Typical Circuit
Configuration		Power/Current
Ratings*		Description
LinkSwitch®-IIFlybackUp to 5.5 WTight CV/CC, primary side control, capable of exceeding all energy efficiency specifications.
TinySwitch®-IIIFlybackUp to 28.5 WOn-time extension and tight I2f parameter to reduce size and cost of input capacitor and transformer plus OVP.
LinkSwitch®-LPFlybackUp to 3 WLowest component count switcher with advanced safety features for superior features over linears and RCC power supplies.
LinkSwitch®-XTFlybackUp to 6 WVery tight CV/CC with Clampless® technology

* Universal input, open frame

Related Design Support Documents

General Design Information
Design Guides
Product Datasheets AN-44 LinkSwitch®-II Design Guide
AC-DC Selector Guide AN-39 LinkSwitch®-LP Flyback Design Guide
Package Information AN-40 LinkSwitch®-XT Design Guide

 

Other Related Links

Power Integrations Continues Expansion of Energy-Efficient Low-Power IC Family for Chargers/Adapters

Contact your local Power Integrations Sales Representative or Distributor for assistance.