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The IRAUDAMP19 reference design is a two-channel, 100W/ch (4Ω / 52V Bus voltage) half-bridge Class D audio power amplifier with single power supply. This reference design demonstrates how to use the IR4301 IC with single power supply, 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.
| Manufacturer | Infineon Technologies |
|---|---|
| Category | Audio Amplifiers |
| Eval Board Part Number | IRAUDAMP19-ND |
| Eval Board Supplier | Infineon Technologies |
| Eval Board |
Normally In Stock
|
| Amplifier Type |
Class D
|
| Number of Outputs |
Stereo
|
| Output Power (RMS) @ Load |
100 W x 2 @ 4 Ω (no heatsink)
|
| Voltage In |
41 ~ 52 V
|
| THD+N (1kHz) @ Conditions |
< 0.02% @ 10 W (4 Ω)
|
| Features |
Over Current Protection
Over Voltage Protection Thermal Protection Under Voltage Protection, Brown-Out |
| Efficiency @ Conditions |
>90%, 1 ch, 100 W
|
| Standby Current [Typical] |
- Not Given
|
| Quiescent Current [Typical] |
- Not Given
|
| Component Count + Extras |
130 + 8
|
| Application / Target Market |
Audio: Hi Fi
Audio: Powered Speakers Automotive Home Theater Portable Devices |
| Design Author |
Infineon Technologies
|
| Main I.C. Base Part |
IR4301
|
| Quiescent Current [Maximum] |
3 mA (LS), 2.4 mA (HS)
|
| Standby Current [Maximum] |
- Not Given
|
| Date Created By Author | 2013-04 |
| Date Added To Library | 2020-10 |
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