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2 layers133.6 × 48 mmPid tweak, the printed circuit board in 3D

Pid tweak

bec5-group/pid-controller

Part Number|Power|Input|Output|Packaging -----------|-----|-----|------|--------- AD8421BR|±2.5V ±18V (2mA)|(V-)+2.3V (V+)-1.8V|(V-)+1.2V (V+)-1.6V|8-MSOP / 8-SOIC LMH6505|±3.5V ±6V (2μA)|±7mA / ±0.6V|±2.4V ±3V|8-MSOP /…

Open in PCBKitView on GitHub.kicad_pcb
Size
133.6 × 48 mm
Copper layers
2
Thickness
1.6 mm
Parts
121
Nets
62
Pads
340
Tracks, vias
892, 13
Pours
2
Routed
Yes
KiCad
KiCad 3
Created
28 Jan 2014
Updated
29 May 2014

Overview

Pid tweak is an open-source printed circuit board by bec5-group, from the bec5-group/pid-controller repository on GitHub. It is a 2-layer board of 133.6 × 48 mm with 121 parts on 62 nets, routed with 892 tracks and 13 vias.

It is built around the MAX44251AUA+. Its parts include 31 capacitors, 28 resistors, 24 connectors, 20 switches and 6 ICs.

Main components

1

README

README.md

Parts Selection

  1. Input buffer

    AD8421BR (DigiKey)

  2. Variable gain

    LMH6505 (DigiKey)

  3. General Purpose

    LM7171BIM (DigiKey)

  4. Low Frequency Low Noise Amplifier

    MAX44251 (DigiKey)

  5. Analog Switches

    1. Normal Close

      DG467 (DigiKey)

    2. Normal Open

      DG468 (DigiKey)

    3. SPDT

      DG469 (DigiKey)

  6. Power Supply

    1. AC-DC

      KPS5-5 (DigiKey)

    2. DC-DC

      • RB-0505D
      • RB-0512D
      • RB-0515S

  7. Connectors

    1. Ribbon Cable

      • 302-S101
      • 101-106

    2. SMA

      1814832

  8. Potentiometers

    84WR*LF

  9. Resistors

    1. Single

      RMCF0603FT*

    2. Precision Voltage Divider

      MAX5490TA05000 (DigiKey)

  10. Capacitors

    1. Small

      C1206C*

    2. Big

      UWT1E331MNL1GS (330uF, 25V)

  11. Low Noise Linear Low Dropout(LDO) Voltage Regulator

    1. Negative

      TPS7A30

    2. Positive

      TPS7A49

  12. Inductors

    1. Large

      SRN1060

    2. Small

      MLZ2012

    3. Ferrite Beads

      CIM21J252NE

  13. RF Diode

    MMBD770T1G (DigiKey)

Specifications

Part NumberPowerInputOutputPackaging
AD8421BR±2.5V ~ ±18V (2mA)(V-)+2.3V ~ (V+)-1.8V(V-)+1.2V ~ (V+)-1.6V8-MSOP / 8-SOIC
LMH6505±3.5V ~ ±6V (2μA)±7mA / ±0.6V±2.4V ~ ±3V8-MSOP / 8-SOIC
LM7171BIM±2.75V ~ ±18V (7mA)±10V (?)±10V (For ±15V)8-SOIC
MAX44251±1.35V ~ ±10V (1.15mA)(V-)-0.05V ~ (V+)-1.5V(V-)+0.03V ~ (V+) - 0.05V8-MSOP / SOT-23-8
DG467/DG468±4.5V ~ ±20V (20μA)6-TSOP
DG469±4.5V ~ ±20V (20μA)8-MSOP / 8-SOIC
TPS7A303V ~ 35V1.19V ~ 33V (150mA)8-MSOP PowerPad
TPS7A49-3V ~ - 35V-1.18 ~ -33V (200mA)8-MSOP PowerPad

Power Supply Board

Power Supply Board Schematic Power Supply Board Front Side Power Supply Board Back Side

Op-Amp Test Board

Op-Amp Test Board Schematic

PID Board

PID Board Front Side PID Board Inner2 PID Board Inner1 PID Board Back Side

PID Tweak Board

PID Tweak Board Front Side PID Tweak Board Back Side

Parts

121
QtyValueFootprintReferences
2010uSM1206_VC1, C2, C3, C4, C5, C10, C11, C12, C13, C14, C15, C16, C25, C27, C29, C30 +4
20CONN_3SIL-3K1, K2, K3, K4, K5, K10, K11, K15, K16, K17, K18, K19, K20, K21, K22, K23 +4
18CONN_2SIL-2P3, P4, P5, P6, P7, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20 +2
9200kSM0603_VR27, R28, R29, R30, R31, R32, R33, R34, R35
80.01uFSM1206_VC17, C18, C19, C20, C21, C22, C23, C24
710kSM0603_VR3, R4, R5, R11, R12, R17, R19
410k84WRRV1, RV2, RV3, RV4
4CONN_11pinP21, P22, P23, P24
4DIODEsc70D3, D4, D5, D6
30.01uSM1206_VC26, C28, C31
320kSM0603_VR7, R9, R14
3500kSM0603_VR6, R8, R13
2100kSM0603_VR10, R15
21kSM0603_VR1, R2
22kSM0603_VR16, R18
2DIODEES2DD1, D2
2MAX44251MSOP_8U5, U6
2POT84WRRV6, RV7
2TPS7A30msop8-9tU3, U4
2TPS7A49msop8-9tU1, U2
1CONN_13X2VASCH13x2P1
1CONN_5X2VASCH5x2-2P2

Questions

How big is the Pid tweak PCB?

It measures 133.6 × 48 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Pid tweak use?

121 parts, built around the MAX44251AUA+. 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 Pid tweak KiCad files?

From the bec5-group/pid-controller repository on GitHub, at the commit this page was made from: the board is pid-tweak/pid-tweak.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Pid tweak design in my own project?

Its repository states no licence, so its author keeps all rights: ask bec5-group before reusing the design.

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