
Overview
The RT5509WSC is an audio Amplifier made by Richtek Tech in a WLCSP-48(3x3) package with 48 pins. Automatic mute/no-noise switch、Digitally programmable gain、Built-in audio processing WLCSP-48(3x3) Audio Amplifiers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:RT5509WSC, from EasyEDA) and its footprint (EasyEDA_Cloud:WLCSP-48_L3.0-W3.0-P0.40-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C4990944).
Symbol
Footprint
Parameters
7- Class
- Class D
- Efficiency
- 76%
- Features
- Digitally programmable gain;Automatic mute/no-noise switch;Built-in audio processing
- Operating Temperature
- -40℃~+85℃
- Power Supply Rejection Ratio (PSRR)
- -75dB
- Signal-to-Noise Ratio
- 100dB
- Speaker Channels
- 1-Channel
Order codes
1- RT5509WSCLCSC C4990944
Pinout
48| Pin | Name | Type |
|---|---|---|
| A1 | LRCK1 | Unspecified |
| A2 | DAI1 | Unspecified |
| A3 | DATAO | Unspecified |
| A4 | INT | Unspecified |
| A6 | VSPOUTN | Unspecified |
| A7 | PVDD | Unspecified |
| B1 | BCK1 | Unspecified |
| B2 | DGND | Unspecified |
| B3 | DATAI | Unspecified |
| B4 | RST | Unspecified |
| B5 | PGND | Unspecified |
| B6 | PGND | Unspecified |
| B7 | PVDD | Unspecified |
| C1 | DAI2 | Unspecified |
| C2 | DGND | Unspecified |
| C3 | DGND | Unspecified |
| C4 | TSTA2 | Unspecified |
| C5 | PGND | Unspecified |
| C6 | VSPOUTP | Unspecified |
| C7 | PVDD | Unspecified |
| D1 | LRCK2 | Unspecified |
| D2 | DGND | Unspecified |
| D3 | DGND | Unspecified |
| D4 | TSTA1 | Unspecified |
| D5 | AGND | Unspecified |
| D6 | NC1 | Unspecified |
| D7 | NC2 | Unspecified |
| E1 | BCK2 | Unspecified |
| E2 | DGND | Unspecified |
| E3 | DGND | Unspecified |
| E4 | DGND | Unspecified |
| E5 | BGND | Unspecified |
| E6 | LX | Unspecified |
| E7 | VBST | Unspecified |
| F1 | SDA | Unspecified |
| F2 | ADS1 | Unspecified |
| F3 | ADS2 | Unspecified |
| F4 | AGND | Unspecified |
| F5 | BGND | Unspecified |
| F6 | LX | Unspecified |
| F7 | VBST | Unspecified |
| G1 | SCL | Unspecified |
| G2 | VBAT | Unspecified |
| G3 | DVDD | Unspecified |
| G4 | AGND | Unspecified |
| G5 | BGND | Unspecified |
| G6 | LX | Unspecified |
| G7 | VBST | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/richtek-tech/RT5509WSC" title="RT5509WSC in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/richtek-tech/RT5509WSC.jpg" alt="RT5509WSC" width="1200" height="900">[](https://pcbkit.io/parts/richtek-tech/RT5509WSC)Questions
Is there a KiCad symbol and footprint for the RT5509WSC?
Yes. The symbol is EasyEDA_Cloud:RT5509WSC and the footprint EasyEDA_Cloud:WLCSP-48_L3.0-W3.0-P0.40-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the RT5509WSC?
WLCSP-48(3x3), with 48 pins. Its footprint is drawn on this page.
Where can I order the RT5509WSC?
JLCPCB lists it as part C4990944, with 0 in stock; the sellers' links on this page open their listings.