4 layers157.5 × 98 mm
BeamBender BigBox
kavanoz64/BeamBender-BigBox
An AGA digital scandoubler and HDMI output card for the Amiga 4000, with Amiga 2000 / 3000 support.
221 parts12
2 layers89.7 × 54.8 mm
Audio Card
DerekLamb/AltoidsAmp1Altoids Amplifier PCB
- Size
- 89.7 × 54.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 41
- Pads
- 208
- Tracks, vias
- 355, 28
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Jul 2023
- Updated
- 18 Jul 2023
Overview
Audio Card is an open-source printed circuit board by DerekLamb, from the DerekLamb/AltoidsAmp repository on GitHub. It is a 2-layer board of 89.7 × 54.8 mm with 59 parts on 41 nets, routed with 355 tracks and 28 vias.
It is built around the OPA1692ID, BQ24075RGT and LM27762DSS. Its parts include 27 resistors, 18 capacitors, 7 connectors, 5 ICs and 1 diode. It belongs with the audio and music boards of this library.
Main components
3
OPA1692ID
SOIC-8-40℃~+85℃ 1.75V~18V、3.5V~36V 2 Pairs Differential Inputs 2-Channel 650A ESD protection、Built-in audio processing SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio Amplifiers
BQ24075RGT
QFN-16-EP(3x3)-40℃~+125℃ 1.5A 4.2V 4.35V~6.4V 6.5uA Charging IC Lithium Battery Not supported Support QFN-16-EP(3x3) Battery Management ROHSTexas InstrumentsBattery Management
LM27762DSS
WSON-12-EP(2x3)-40℃~+85℃ -5V~-1.5V、1.5V~5V 2.5Ω 2.7V~5.5V 250mA 2MHz 390uA Inverted Support WSON-12-EP(2x3) Charge Pumps ROHSTexas InstrumentsCharge Pumps
Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 88nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C17, C18, C19, C20, C21, C22 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R12, R13, R17, R24, R25 |
| 4 | 18k | Resistor_SMD:R_0603_1608Metric | R14, R15, R16, R19 |
| 4 | 4.7uf | Capacitor_SMD:C_0603_1608Metric | C6, C7, C14, C16 |
| 4 | R_US | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1, R5, R6, R10 |
| 3 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C12, C13, C15 |
| 3 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3, J4, J6 |
| 3 | OPA1692 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U3 |
| 2 | 1.5k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R3, R8 |
| 2 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R2, R7 |
| 2 | 150k | Resistor_SMD:R_0603_1608Metric | R22, R27 |
| 2 | 180k | Resistor_SMD:R_0603_1608Metric | R23, R26 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R20, R21 |
| 2 | 220 pF | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C3 |
| 2 | 220pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2, C4 |
| 2 | 274ohm | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R4, R9 |
| 2 | AudioJack3 | Connector_Audio:Jack_3.5mm_CUI_SJ1-3533NG_Horizontal | J1, J2 |
| 1 | 1.18k | Resistor_SMD:R_0603_1608Metric | R18 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C5 |
| 1 | 56k | Resistor_SMD:R_0603_1608Metric | R28 |
| 1 | BQ24075 | Package_DFN_QFN:VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm_ThermalVias | U9 |
| 1 | CHGLED | LED_SMD:LED_0402_1005Metric | D1 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | LM27762 | Package_SON:WSON-12-1EP_3x2mm_P0.5mm_EP1x2.65_ThermalVias | U10 |
| 1 | R_POT_Dual_Separate | Potentiometer_THT:Potentiometer_Alps_RK09L_Double_Horizontal | RV1 |
| 1 | USB_C_Plug_USB2.0 | Connector_USB:USB_C_Receptacle_GCT_USB4085 | P1 |
Questions
How big is the Audio Card PCB?
It measures 89.7 × 54.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Audio Card use?
59 parts, built around the OPA1692ID, BQ24075RGT and LM27762DSS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Audio Card KiCad files?
From the DerekLamb/AltoidsAmp repository on GitHub, at the commit this page was made from: the board is Audio Card.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Audio Card design in my own project?
Its repository states no licence, so its author keeps all rights: ask DerekLamb before reusing the design.
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