LCD TV

Power integrations provides power solutions for all LCD TV standby power supplies, and the main power supply for LCD LIPS applications. Reference designs are available for the standby and standby/auxiliary output power supplies for SUPERLIPS applications. PI also offers solutions for LCD TV LED backlighting.

Available solutions for different architectures are shown in figures 1-3 (below). A number of reference designs for LCD TV standby power supplies are also available.






Figure 1: PI Circuit Elements Supporting a LIPS LCD-TV Power Architecture (see RDK-189)


Figure 2: PI Circuit Elements Supporting a SUPERLIPS LCD-TV Power Architecture (see DER-204)


Figure 3: PI Circuit Elements for an LED-Backlit LCD-TV Power Architecture (see RDK-189 and DER-112)


Design Examples

Document Description Design
Ideas
Design
Example
Reports
Engineering
Prototype
Reports
Reference
Design
Kits
<5 mW No-Load Input Power, 8 W Standby Power Supply    
100 W, Low Profile (11 mm), Flyback DC-DC Converter    
125 W LLC DC-DC Resonant Converter    
100 W, Low Profile (11 mm), LLC DC-DC Converter    
High Performance, Low Profile 900 W PFC Front End   DER-274    
High Performance, Low Profile 100 W PFC Front End   DER-272    
Low-Power, Low-Cost 180 W PFC Front End RDR-248 RDK-248
14.5 W Standby and 300 W Main Power Supply RDR-249 RDK-249
High Performance 347 W PFC Frontend RDR-236 RDK-236
LCD Main Power Supply download RDK-189
SUPERLIPS LCD TV Auxiliary and Standby Supplies download download
LCD TV Standby Power Supply with No-load Power Consumption of Less Than 25 mW download
LED backlight constant current drivers, 20/30W DC-DC Boost converter using DPA-Switch download    
TOPSwitch-GX reference design for TV standby power supply, ideal for sleep mode, 80 V to 288 V wide input, 5V/300mA, 22 V/100mA (7W) download
Standby power supply using TOPSwitch-JX download

Recommended Product Families

IC Product
Family
Design Guides Typical Circuit
Configuration
Power/Current
Ratings
Description
LinkZero™-LP NA Flyback 3 W Zero No-Load Consumption Integrated Off-Line Switcher
HiperLCS™ Product family application note. LLC Half-bridge Up to 440 W Integrated LLC power stage incorporating a multi-function controller, high-side and low-side gate drivers, plus two power MOSFETs in a half-bridge configuration
HiperTFS™-2 NA Two-Switch Forward & Flyback Up to 586 W Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
HiperTFS™ Product family application note. Two-Switch Forward & Flyback Up to 435 W Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
HiperPFS™-2 NA Boost PFC 110 to 425 W High Power PFC Controller with Integrated High-Voltage MOSFET
HiperPFS™ Product family application note. PFC Flyback Up to 1 kW High Power PFC Controller with Integrated High-Voltage MOSFET
SENZero™ NA AC Power Supply NA Simple-to-use device that eliminates significant standby losses by disconnecting unused circuit paths during power-saving modes
CAPZero™ Product family application note. AC Power Supply NA Easy to use device for reducing standby mode power by eliminating power losses from X capacitor discharge resistors
HiperPLC Product family application note. PFC+LLC Half Bridge 150W to 400W Combination of continuous Conduction Mode PFC controller with high efficiency LLC half bridge Controller and driver
TOPSwitch™-JX
Product family application note. Flyback 12 W to 177 W Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies
TinySwitch™-III NA Flyback 6 W to 36.5 W Highly energy efficient offline switcher IC utilizing on-off control for high efficiency at all load conditions. No-load consumption less than 50 mW. Ideal for TV standby supply.


Related Design Support Documents

General Design Information
Active Power Factor Correction – Basics
High Power Selector Guide
AC-DC Selector Guide
Package Information

Related Links

Standby power requirements for TVs and monitors.

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