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Audio
Power Integrations offers a range of power conversion ICs that can provide reliable, efficient, low cost power solutions for audio power applications. Capable of supporting peak power requirements in excess of three times average power requirements with no increase in transformer size, the PeakSwitch™ product family is ideal for supporting applications with large peak loads, such as:
- Audio amplifiers
- Computer audio
- Home theater
- MP3 music players
- MP3 audio systems
- Digital radio applications
Design Examples
| Document Description | Design Ideas | Design Example Reports | Engineering Prototype Reports | Reference Design Kits |
|---|---|---|---|---|
| 150 W LLC High-Voltage DC-DC Resonant Converter |  | RDK-239 | ||
| 50 W (200 W Peak) Multiple Output Flyback Power Supply | | | RDK-203 | |
| 75 W (126 W Peak) Multiple Output Flyback Power Supply Using Magnetic Amplifiers | | |||
| 80 W (200 W Peak) Multiple Output Power Supply | | |||
| 70 W (126 W Peak) Audio Amplifier Power Supply | | |||
| 24 W (36 W Peak) Audio Amplifier Power Supply | | |||
| 10 W Adapter for Portable Audio Players With Latching Overvoltage and Over-Temperature Shutdown Protection | | |||
| 20 W (43 W Peak) Audio Amplifier Power Supply | | |||
| 5 W High Efficiency Charger for Portable Audio Players | | |||
| General Purpose 32 W (81 W Peak) Supply | | | DAK-93 | |
| 6 W Universal Input CV Adapter | RDK-201 | |||
| 12 W Universal Input CV Adapter | | | RDK-91 | |
| Low-Cost 2 W Universal Input CV Adapter | | | DAK-89 | |
| 16 W Audio Amplifier Power Supply | |
Recommended Product Families
| IC Product Family | Design Guides | Typical Circuit Configuration | Power/Current Rating* | Description |
|---|---|---|---|---|
| HiperLCS™ | |
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 |
| 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™ | | AC Power Supply | NA | Easy to use device for reducing standby mode power by eliminating power losses from X capacitor discharge resistors |
| LinkSwitch™-II | | Flyback | Up to 5.5 W | Tight CV/CC, primary side control, capable of exceeding all energy efficiency specifications. |
| TinySwitch™-III | NA | Flyback | Up to 28.5 W | Improved design flexibility, Reduced input capacitance and transformer size due to time extension and I2f ratings. |
| PeakSwitch | | Flyback | Up to 290 W† | Enhanced, energy-efficient, off-line Switcher IC with super peak power performance |
| TOPSwitch™-JX | | Flyback | 12 W to 177 W | Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies |
| TinySwitch™-PK | | Flyback | Up to 35 W | Peak surge power capability allows more power for audio applications without increasing component size |
† Peak power output
Related Design Support Documents
| General Design Information |
|---|
| Product Datasheets |
| Package Information |
Related Links
Power Integrations News:
Watch video about the PKS607
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Power Integrations Support:
- PI Expert™, our interactive design program, takes a user's power supply specifications and automatically determines the critical components (including transformer specifications) needed to generate a working switched mode power supply. It reduces design time from days to minutes.
- Designers can also use our "Ask an Engineer" feature or consult our reference library, containing more than 200 online reference designs, applications notes , engineering prototype reports, design ideas, and other documents.
- Design of an Audio Power System describes the benefits of using PeakSwitch to design an audio system power supply for up to 85 W peak power.
Contact your local Power Integrations Sales Representative or Distributor for assistance.
