The IRAUDAMP16 reference design is a two-channel, 70 W/ch (4 Ω/±23 V; no heatsink)/ 130 W/ch (4 Ω/±31 V; with heatsink) half-bridge Class D audio power amplifier.
This reference design demonstrates how to use the IR4302 IC, implement protection circuits, and design an optimum PCB layout using PowIRaudio integrated Class D IC. This reference design does not require additional heatsink or fan cooling for normal operation (one-eighth of continuous rated power).
The reference design provides all the required housekeeping power supplies for ease of use. The two-channel design is scalable for power and the number of channels.
Possible applications include: AV receivers, home theater systems, mini component stereos, powered speakers, subwoofers, musical instrument amplifiers, and car audio amplifiers.
(Infineon Technologies bought International Rectifier)
| Manufacturer | Infineon Technologies |
|---|---|
| Category | Audio Amplifiers |
| Eval Board Part Number | IRAUDAMP16-ND |
| Eval Board Supplier | Infineon Technologies |
| Eval Board |
Board not Stocked
|
| Amplifier Type |
Class D
|
| Number of Outputs |
Stereo
|
| Output Power (RMS) @ Load |
70 W x 2 @ 4 Ω (no heatsink)
130 W x 2 @ 4 Ω (with heatsink) |
| Voltage In |
±13 ~ ±23 V (w/o heatsink)
±13 ~ ±31 V (w/ heatsink) |
| THD+N (1kHz) @ Conditions |
< 0.03%, 530mW ~ 90W (4 Ω, ±31 V)
< 0.023%, 600mW ~ 50W (4 Ω, ±23 V) |
| Features |
Over Current Protection
Over Voltage Protection Synchronizable Thermal Protection Under Voltage Protection, Brown-Out |
| Efficiency @ Conditions |
>85%, 31V in, 10 ~ 140 W @ 4 Ω (w/heatsink)
|
| Standby Current [Typical] |
- Not Given
|
| Quiescent Current [Typical] |
1.5 mA
|
| Component Count + Extras |
182 + 17
|
| Application / Target Market |
Audio: Hi Fi
Audio: Home Theater Systems Audio: MP3 Players Audio: Powered Speakers Automotive Portable Devices |
| Design Author |
Infineon Technologies
|
| Main I.C. Base Part |
IR4302
|
| Quiescent Current [Maximum] |
3 mA
|
| Standby Current [Maximum] |
- Not Given
|
| Date Created By Author | 2009-01 |
| Date Added To Library | 2013-06 |
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