Rp2040 audioboard

lzptr·rp2040_audioboard·hardware/rp2040_audioboard.kicad_pcb

About the Rp2040 audioboard PCB

Rp2040 audioboard is an open source RP2040/RP2350 PCB design by lzptr, published on GitHub under the MIT license. It is a 4-layer board measuring 65 × 75 mm, with 115 components from 45 distinct parts.

Its main chip is the C2040, from the RP2040/RP2350 family. Other key parts include the C141836, C14289, C398363, C5261088 and C97521. By type, the board carries 49 capacitors, 35 resistors, 12 ICs, 9 diodes, 4 connectors and 3 inductors.

It belongs with the audio designs in this gallery.

From the project

Mixed signal audio board using the rp2040

For an interactive KiCad experience see: RP2040 Audioboard.

This project is a variation of the board from phils lab mixed signal course (https://www.phils-lab.net/courses). It's purpose is to serve as a general input/output signal analyzer/generator for audio projects.

Rp2040 audioboard, from the project README — From the project README

Main components on the Rp2040 audioboard

C141836 C14289C398363C2040C5261088C97521 C2872391 C206494C1554786

Rp2040 audioboard bill of materials (BOM)

115 components, 45 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	C141836 TLV62569DBV	SOT-23-5	U101
1	C14289 HT7533-1	SOT-89-3	U102
4	C398363 TLV9001IDBVR	SOT-23-5	U103, U302, U304, U402
1	C2040 RP2040	QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm	U201
1	C5261088 USBLC6-2SC6	SOT-23-6	U202
1	C97521 W25Q128JVS	SOIC-8_5.23x5.23mm_P1.27mm	U203
1	C2872391 REF3033AIDBZT	SOT-23	U301
1	C206494 ADC141S626CIMM_NOPB	VSSOP-10	U303
1	C1554786 DAC7562SDGSR	VSSOP-10	U401
1	C9002 Crystal_GND24	Crystal_SMD_3225-4Pin_3.2x2.5mm	Y201
1	C598540 2x5 1.27mm	PinHeader_2x05_P1.27mm_Vertical_SMD	J201
1	C165948 USB_C_Receptacle_USB2.0	USB_C_Receptacle_HRO_TYPE-C-31-M-12	J202
2	031-5640-1010	AMPHENOL-BNC-031-5640-1010	J301, J401
1	C2886926 RESET	SW_TL3365AF180QG	SW201
1	C2886926 BOOTSEL	SW_TL3365AF180QG	SW202
1	C72043 3.3V	LED_0603_1608Metric	D101
1	C72043 3.3VA	LED_0603_1608Metric	D102
6	C2939000 PESD3V3L1BA	D_SOD-323	D201, D202, D203, D204, D301, D401
1	C72043 Act	LED_0603_1608Metric	D205
1	C361500 10n	L_0402_1005Metric	L101

Show 25 more

Qty	Part	Footprint	Refs
1	C408441 68u	MWSA0603S	L102
1	C963740 CMF3216F-900-2P-T	CMC-1206	L201
3	C15849 1u	C_0603_1608Metric	C101, C102, C403
5	C45783 22u	C_0805_2012Metric	C103, C104, C106, C107, C108
1	DNP	C_0402_1005Metric	C105
21	C1525 100n	C_0402_1005Metric	C109, C203, C204, C207, C208, C209, C210, C211 +13
2	C1570 30pF	C_0402_1005Metric	C201, C202
3	C52923 1u	C_0402_1005Metric	C205, C206, C216
6	C96446 10u	C_0603_1608Metric	C301, C302, C305, C306, C312, C401
4	C1527 150p	C_0402_1005Metric	C303, C314, C316, C406
4	C1523 1n	C_0402_1005Metric	C311, C313, C404, C405
1	C17415 10R	R_0805_2012Metric	R101
1	C321525 464k	R_0402_1005Metric	R102
1	C25741 100k	R_0402_1005Metric	R103
11	C11702 1k	R_0402_1005Metric	R104, R105, R106, R107, R203, R209, R210, R211 +3
2	C321419 27	R_0402_1005Metric	R201, R202
4	C25120 49R9	R_0402_1005Metric	R204, R205, R206, R406
2	C25905 5k1	R_0402_1005Metric	R207, R208
2	C25744 10k	R_0402_1005Metric	R213, R402
1	C17720 49R9	R_0805_2012Metric	R301
2	C174169 2M2	R_0402_1005Metric	R303, R304
2	C25917 6k8	R_0402_1005Metric	R305, R403
2	C17168 0R	R_0402_1005Metric	R306, R401
2	C25768 22k	R_0402_1005Metric	R307, R404
2	C25752 12k	R_0402_1005Metric	R308, R405

Rp2040 audioboard design files

The KiCad project lives in the lzptr/rp2040_audioboard repository on GitHub; these links point at the commit this page was built from.

Layouthardware/rp2040_audioboard.kicad_pcb
Schematichardware/rp2040_audioboard.kicad_sch
BOMhardware/production/bom.csv

Rp2040 audioboard: common questions

What microcontroller does the Rp2040 audioboard use?

The Rp2040 audioboard is built around the C2040, from the RP2040/RP2350 family.

How big is the Rp2040 audioboard PCB?

The Rp2040 audioboard measures 65 × 75 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Rp2040 audioboard?

115 components, from 45 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Rp2040 audioboard design files?

From the lzptr/rp2040_audioboard repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Rp2040 audioboard design in my own project?

Yes, under the terms of its MIT license, which lzptr chose for the repository.

Can I test firmware for the Rp2040 audioboard without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.