4 layers63.5 × 63.5 mm
4 layers149.9 × 99.1 mm
TDCS driver old
Fijee-Project/utCSMicro transcranial current stimulation
- Size
- 149.9 × 99.1 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 99
- Nets
- 122
- Pads
- 439
- Tracks, vias
- 295, 6
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 6 Jun 2014
- Updated
- 6 Jun 2014
Overview
TDCS driver old is an open-source printed circuit board by Fijee-Project, from the Fijee-Project/utCS repository on GitHub. It is a 4-layer board of 149.9 × 99.1 mm with 99 parts on 122 nets, routed with 295 tracks and 6 vias.
It is built around the AD8221AR, OP1177AR and MAX338CEE+, with the MAX3002ETP+ and SI5351A-B-GT among its other parts. Its parts include 44 capacitors, 18 connectors, 12 resistors, 9 ICs and 1 crystal.
Main components
5
AD8221AR
SOIC8Precision Instrumentation AmplifierAnalog DevicesUncategorisedOP1177AR
SOIC-8-40℃~+125℃ 0.7V/us 1 1.3MHz 10mA 120dB 1nA 2nA 400uA 60uV 700nV/℃ 8nV/√Hz@1kHz Built-in compensation、Overvoltage Protection、Reverse-phase input protection SOIC-8 Precision Op Amps ROHSAnalog DevicesOperational Amplifier
MAX338CEE+
QSOP-16-150mil-20V~-4.5V、4.5V~20V、4.5V~30V 0℃~+70℃ 1 16pF 400Ω 8:1 QSOP-16-150mil Analog Switches, Multiplexers ROHSMaxim Integrated (Analog Devices)Analog Switches / Multiplexers
MAX3002ETP+
TQFN-20(5x5)-40℃~+85℃ 1 1.2V~5.5V 1.65V~5.5V 8 Bidirectional Decoupling、Auto Direction Detection Tri-State TQFN-20(5x5) Translators, Level Shifters ROHSMaxim Integrated (Analog Devices)Translators, Level Shifters
SI5351A-B-GT
MSOP-10-40℃~+85℃ 1.71V~3.6V 200MHz 3 I2C MSOP-10 Clock Generators, PLLs, Frequency Synthesizers ROHSSilicon LabsClock Generators, PLLs, Frequency Synthesizers
Parts
99| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | 0.1uF | 0603 | C1, C2, C11, C14, C17, C19, C22, C23, C24, C25, C27, C29, C31, C33, C37, C38 +6 |
| 18 | 1uF | 0603 | C3, C12, C15, C16, C18, C20, C21, C26, C28, C30, C32, C34, C35, C36, C39, C40 +2 |
| 8 | CONN_2 | MOLEX_SL_2_PCB | P5, P7, P8, P9, P10, P11, P12, P13 |
| 4 | CONN_1 | SCREW_3mm | SCREW1, SCREW2, SCREW3, SCREW4 |
| 3 | 5K | 3224X | RV6, RV7, RV8 |
| 3 | MAX338 | QSOP_16 | U5, U6, U7 |
| 2 | 137R | 0603 | R2, R3 |
| 2 | 1K | 3224X | RV1, RV2 |
| 2 | 20K | 3224X | RV3, RV4 |
| 2 | 20pF | 0603 | C9, C10 |
| 2 | 2K | 3224X | RV9, RV10 |
| 2 | CONN_2X2 | HEADER-2x2-SAMTEC | P17, P18 |
| 2 | CONN_5 | SIL-5 | P1, P2 |
| 2 | CONN_5X2 | HEADER-2x5-SAMTEC | P14, P15 |
| 2 | MAX3002 | TSSOP_20 | U8, U9 |
| 1 | .1uF | 0603 | C13 |
| 1 | 0.01uF | 0603 | C5 |
| 1 | 10K | 0603 | R10 |
| 1 | 10K | 3224X | RV5 |
| 1 | 182K | 0603 | R6 |
| 1 | 20K | 0603 | R1 |
| 1 | 22K | 0603 | R9 |
| 1 | 24K | 0603 | R4 |
| 1 | 2K | 0603 | R12 |
| 1 | 374K | 0603 | R5 |
| 1 | 45K | 0603 | R8 |
| 1 | 5K | 0603 | R11 |
| 1 | 91K | 0603 | R7 |
| 1 | AD5292 | TSSOP_14 | U2 |
| 1 | AD8221 | MSOP_8 | U3 |
| 1 | AD9838 | LFCSP20_WQ | DDS1 |
| 1 | CONN_20X2 | HEAD_50P_Vert_0.1 | P6 |
| 1 | CONN_3X2 | MOLEX_MEGAFIT_6 | P4 |
| 1 | CONN_3X2 | HEADER-2x3-SAMTEC | P16 |
| 1 | CONN_6 | SIL-6 | P3 |
| 1 | CRYSTAL6-10pf | ECX_53B | X1 |
| 1 | OP1177 | MSOP_8 | U4 |
| 1 | SI5351A | MSOP-10 | U1 |
More from Fijee-Project/utCS
3- 4 layers69.9 × 76.2 mm
- 4 layers69.9 × 76.2 mm
Similar boards
- 2 layers101.6 × 101.6 mm
Utcs isource
akshmakov/utcs-isource
micro-transcranial current stimulation system - constant current source module
40 parts - 4 layers100 × 60 mm
Simple just sensor
williamlin108/USAYPT2026_FlashSensor_MLWGS
10kHz cutoff bandwidth; TO-5 Package Si-photodiode with TIA amplifier (G:2k)
78 parts1 - 2 layers70 × 70 mm
PCB design group7
theo64oliver/smart-scale
Ce projet a ete effectue en groupe de 4 sur une duree de 2 semaines, compose de Antoine JOUY, Alexis VASSEUR, Benjamin BOYER et Theo OLIVER.
26 parts - 2 layers36.6 × 21.6 mm
- 2 layers80 × 65 mm
- 10 layers40 × 160 mm
Psc daughter brd
NSLS2/zupsc-hw
Zynq UltraScale Power Supply Controller hardware
345 parts1BSD-3-Clause - 4 layers59 × 71 mm
PEC Sensor
WAFFLE-Systems/PEC_Sensor
Electrical schematics and PCB gerber files for the Pulsed Eddy Current Sensor
98 parts1 - 4 layers120 × 100 mm
Preamp board
kpezeshki/AudioInterfaceLockIn
A script for lock-in measurement using a Motu M2 audio interface
70 parts
Questions
How big is the TDCS driver old PCB?
It measures 149.9 × 99.1 mm and has 4 copper layers, 1.6 mm thick.
What parts does the TDCS driver old use?
99 parts, built around the AD8221AR, OP1177AR, MAX338CEE+ and MAX3002ETP+. 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 TDCS driver old KiCad files?
From the Fijee-Project/utCS repository on GitHub, at the commit this page was made from: the board is hw/main_board/kicad_project/tDCS_driver_old.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the TDCS driver old design in my own project?
Its repository states no licence, so its author keeps all rights: ask Fijee-Project before reusing the design.