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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 Application Application Notes
Design
Ideas		 Design
Example
Reports 		Engineering
Prototype
Reports		 Reference
Design
Kits
2.75 W, High Efficiency CV/CC Output USB Charger Design 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.  
Small Package, 1.75 CV/CC Charger/Adapter Design Ideas are concise two-page documents describing a design for a specific application.      
2.5 W Regulated Charger/Adapter Design Ideas are concise two-page documents describing a design for a specific application.      
12 W Universal Input CV Adapter Design 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-91
Low-Cost 2 W Universal Input CV Adapter Design 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. DAK-89
2 W Charger (Linear Replacement) Design 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. DAK-85
2.75 W Charger/Adapter     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. DAK-54
2.75 W Charger/Adapter       DAK-16A
Low-Cost 1.5 W CV/CC Charger/Adapter Design Ideas are concise two-page documents describing a design for a specific application.      
Low-Cost 2.5 W Regulated Charger/Adapter Design Ideas are concise two-page documents describing a design for a specific application.      

Product Families Used in These Applications

IC Product
Family		 Typical Circuit
Configuration		 Power/Current
Ratings*		 Description
Flyback Up to 28.5 W
On-time extension and tight I2f parameter to reduce size and cost of input capacitor and transformer plus OVP.
Flyback Up to 3.5 W
Linear replacement switchers with optimum either CV only or CV/CC capabilities.
Flyback Up to 3 W
Lowest component count switcher with advanced safety features for superior features over linears and RCC power supplies.
LinkSwitch®-XT Flyback Up to 6 W
Low cost linear replacement with Clampless® technology (LNK362)

  * Universal input, open frame

Related Design Support Documents

General Design Information Design Guides
Product Datasheets AN-35 LinkSwitch® 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.

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