RTQ9128DL-QA is Digital Input 4-Channel Automotive Audio Amplifier manufactured by Richtek.
| Part Number | Description |
|---|---|
| RTQ9297-QT | 3A High Performance Step-Up DC-DC Converter |
| RTQ9683 | Smart Power Stage Module |
| RTQ9728W | Precision Adjustable Current-Limited Power-Distribution Switches |
| RTQ9740A | Ultra-Low Resistance Load Switch |
| RTQ1741A | High Efficiency Single Inductor Buck-Boost Converter |
The RTQ9128DL-QA is an ultra-low output noise, highefficiency, four-channel class-D audio power amplifier. It delivers 4x27W into 4 at 10% THD+N from a 14.4V supply in automotive applications. It can achieve over 87% power efficiency with an output switching frequency of up to 2.1MHz for clarity, which enables a cost-optimized solution in a very small PCB size.
