2 layers122 × 64 mm
Current probe
stgloorious/current-probe
Experimental AD8331 amplifier board for measuring transient CPU power consumption
370 parts3CC-BY-SA-4.0
2 layers50 × 20 mm
Current probe
stgloorious/current-probe3Experimental AD8331 amplifier board for measuring transient CPU power consumption
- Size
- 50 × 20 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 42
- Pads
- 187
- Tracks, vias
- 245, 167
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 7 Oct 2023
- Updated
- 21 Feb 2024
Overview
Current probe is an open-source printed circuit board by stgloorious, from the stgloorious/current-probe repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 50 × 20 mm with 74 parts on 42 nets, routed with 245 tracks and 167 vias.
It is built around the AD8331ARQZ, RO-3.309S and ADM7150ARDZ-5.0, with the ADTT1-6+ among its other parts. Its parts include 33 capacitors, 13 resistors, 3 diodes, 3 connectors and 3 inductors. It belongs with the sensors and measurement boards of this library.
Main components
4
AD8331ARQZ
QSOP-20-150mil-4.5dB~55.5dB -40℃~+85℃ 1 120MHz 25mA 25mA 4.5V~5.5V 45mA 50000uV Differential VGA QSOP-20-150mil Programmable / Variable Gain Amplifiers (PGA/VGA) ROHSAnalog DevicesLow Noise Amplifiers (LNA) - RFRO-3.309S
SIP,11.5x6mmIsolated Power ModulesRECOM PowerADM7150ARDZ-5.0
SOIC-8-EP-40℃~+125℃@(Ta) 1 16V 1uVrms 5V 800mA Fixed Over Current Protection、Over Temperature Protection、Enable Positive SOIC-8-EP Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAnalog DevicesLinear Voltage Regulators (LDO)
ADTT1-6+
SMD-6P-20℃~+85℃ 0.77dB 1.59dB 15kHz~100MHz 17dB 2° 50Ω:50Ω SMD-6P Balun ROHSMini-CircuitsBalun
README
hardware/panel/README.mdPanel
This integrates 5 amplifier PCBs on a single panel.
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100n | Capacitor_SMD:C_0603_1608Metric | C4, C5, C6, C7, C8, C9, C12, C14, C16, C18, C20 |
| 8 | 1n | Capacitor_SMD:C_0603_1608Metric | C11, C13, C15, C17, C19, C24, C29, C30 |
| 4 | 10u | Capacitor_SMD:C_0805_2012Metric | C21, C27, C28, C32 |
| 4 | 2k2 | Inductor_SMD:L_0603_1608Metric | FB4, FB5, FB6, FB7 |
| 4 | R | Resistor_SMD:R_0603_1608Metric | R2, R3, R8, R9 |
| 3 | 1u | Capacitor_SMD:C_0805_2012Metric | C22, C31, C33 |
| 3 | 22 | Inductor_SMD:L_0603_1608Metric | FB1, FB2, FB3 |
| 3 | TestPoint | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP2, TP3, TP5 |
| 2 | 100 | Resistor_SMD:R_0603_1608Metric | R4, R7 |
| 2 | 100p | Capacitor_SMD:C_0603_1608Metric | C3, C10 |
| 2 | 100u | Inductor_SMD:L_0805_2012Metric | L1, L2 |
| 2 | 237 | Resistor_SMD:R_0603_1608Metric | R5, R6 |
| 2 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_Pad1.0x1.5mm | JP1, JP2 |
| 2 | TestPoint | TestPoint:TestPoint_Keystone_5000-5004_Miniature | TP1, TP4 |
| 1 | 10n | Capacitor_SMD:C_0603_1608Metric | C23 |
| 1 | 12k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 2.5 pF | Diode_SMD:D_0603_1608Metric | D1 |
| 1 | 300 mA | Fuse:Fuse_0805_2012Metric | F1 |
| 1 | 330 | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 330n | Capacitor_SMD:C_0603_1608Metric | C25 |
| 1 | 3k | Potentiometer_THT:Potentiometer_Bourns_3296Y_Vertical | R11 |
| 1 | 47n | Capacitor_SMD:C_0603_1608Metric | C26 |
| 1 | 6u8 | Inductor_SMD:L_0805_2012Metric | L3 |
| 1 | AD8331ARQZ | current_probe:RQ_20_ADI-L | U1 |
| 1 | ADM7150ARDZ-5.0 | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | U2 |
| 1 | ADTT1-6+ | RF_Mini-Circuits:Mini-Circuits_CD637_H5.23mm | TR1 |
| 1 | CFB | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | CSH | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal | J2 |
| 1 | Conn_01x05_Pin | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | D_Schottky | Diode_SMD:D_SMA | D2 |
| 1 | GREEN | LED_SMD:LED_0805_2012Metric | D3 |
| 1 | RCLMP | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | RFB | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | RO-3.309S | Converter_DCDC:Converter_DCDC_Murata_MEE1SxxxxSC_THT | PS1 |
| 1 | SMA | Connector_Coaxial:SMA_Amphenol_132289_EdgeMount | J1 |
Questions
How big is the Current probe PCB?
It measures 50 × 20 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Current probe use?
74 parts, built around the AD8331ARQZ, RO-3.309S, ADM7150ARDZ-5.0 and ADTT1-6+. 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 Current probe KiCad files?
From the stgloorious/current-probe repository on GitHub, at the commit this page was made from: the board is hardware/current_probe.kicad_pcb and its schematic hardware/current_probe.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Current probe design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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