The EPC9106 demonstration board is a reference design for a 150 W / 8 Ω Class D audio amplifier. The demonstration board uses a Bridge-Tied-Load (BTL) design, composed of four ground-referenced Half-Bridge Output Stages. This architecture and topology allows scalability and expandability.
The EPC9106 reference design has demonstrated 96% efficiency at 150 W / 8 Ω, and 92% efficiency at 250 W / 4 Ω.
The EPC9106 demonstration board features the EPC2016 enhancement mode (eGaN®) field effect transistor (FET), as well as the Texas Instruments LM5113 gate driver.
A complete block diagram of the circuit is given in Figure 1. For more information on the EPC2016 eGaN FET please refer to the datasheet which should be read in conjunction with this quick start guide.
| Manufacturer | EPC |
|---|---|
| Category | Audio Amplifiers |
| Eval Board Part Number | 917-1090-ND |
| Eval Board Supplier | EPC |
| Eval Board |
Board not Stocked
|
| Amplifier Type |
Class D
|
| Number of Outputs |
Stereo
|
| Output Power (RMS) @ Load |
250 W x 2 @ 4 Ω
|
| Voltage In |
± 27 V
|
| THD+N (1kHz) @ Conditions |
< 0.03% @ Full Power (8 Ω, 150 W)
|
| Features |
Differential Inputs
Over Current Protection Over Voltage Protection |
| Efficiency @ Conditions |
>90%, 50 ~ 267 W @ 4 Ω
>80%, 11 ~ 152 W @ 8 Ω |
| Standby Current [Typical] |
- Not Given
|
| Quiescent Current [Typical] |
- Not Given
|
| Component Count + Extras |
454 + 13
|
| Application / Target Market |
Audio: Hi Fi
Audio: Home Theater Systems Audio: Powered Speakers |
| Design Author |
EPC
|
| Main I.C. Base Part |
EPC2016
|
| Quiescent Current [Maximum] |
- Not Given
|
| Standby Current [Maximum] |
- Not Given
|
| Date Created By Author | 2014-12 |
| Date Added To Library | 2025-11 |
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