2 layers150 × 100 mm
2 layers100 × 100 mm
PSU 4CH
koson/KicadProject- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 172
- Nets
- 113
- Pads
- 532
- Tracks, vias
- 977, 105
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 13 Mar 2022
- Updated
- 5 Dec 2019
Overview
PSU 4CH is an open-source printed circuit board by koson, from the koson/KicadProject repository on GitHub. It is a 2-layer board of 100 × 100 mm with 172 parts on 113 nets, routed with 977 tracks and 105 vias.
It is built around the OPA4277UA, MAX5215GUA+ and LM2678T-ADJ, with the PCA9545BPW, L7805 and L7812 among its other parts. Its parts include 60 resistors, 53 capacitors, 22 connectors, 17 ICs and 6 transistors. It belongs with the power boards of this library.
Main components
12
OPA4277UA
SOIC-14-18V~-2V、2V~18V -40℃~+85℃ 0.8V/us 100nV/℃ 12nV/√Hz@1kHz 140dB 1MHz 1nA 1nA 20uV 35mA 800uA Built-in compensation、Reverse-phase input protection Four channels SOIC-14 Precision Op Amps ROHSTexas InstrumentsOperational Amplifier
MAX5215GUA+
UMAX-8-40℃~+105℃ 1 14 18us 1LSB 2.7V~5.5V 2uA I2C Voltage Buffer UMAX-8 Digital to Analog Converters (DAC) ROHSMaxim Integrated (Analog Devices)Digital To Analog Converters (DAC)
LM2678T-ADJ
TO-220-7-40℃~+125℃@(TJ) 1 1.21V~37V 260kHz 4.2mA 5A 8V~40V Adjustable Buck Built-in No Overcurrent Protection、Cycle-by-cycle current limiting Step-down type TO-220-7 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
PCA9545BPW
TSSOP-20TSSOP-20 Interface - Specialized ROHSNXP SemiconductorsInterface - Specialized
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7812
TO-220ST0℃~+125℃@(Tj) 1 1.2A 12V 2V@(1A) 30V 71dB@(120Hz) 76uV Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsL7905
TO-220TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSKTPUncategorised
L7912
TO-220ST0℃~+125℃@(Tj) 1 1.2A 12V 200uV 2V@(1A) 35V 3mA 60dB@(120Hz) Fixed Negative Over Voltage Protection、Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
MAX4525EUB+
MSOP-10-40℃~+85℃ 180ns 200Ω 20pF 2:1 2V~12V 90ns MSOP-10 Analog Switches, Multiplexers ROHSMaxim Integrated (Analog Devices)Analog Switches, Multiplexers
S2A
SMA(DO-214AC)-55℃~+150℃ 1.1V@2A 2A 50V 5uA@50V Independent SMA(DO-214AC) Diodes - General Purpose ROHSShandong Jingdao MicroelectronicsDiodes - General Purpose
TL431
SOT-23-20℃~+85℃ 150mA 1mA 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±1% SOT-23 Voltage Reference ROHSGuangdong HottechVoltage Reference
15SQ045
R-6-55℃~+200℃ 1 Independent 15A 275A 45V 500uA@45V 550mV@10A R-6 Schottky Diodes ROHSLGESchottky Diodes
Parts
172| Qty | Value | Footprint | References |
|---|---|---|---|
| 31 | 100nF | Capacitors_SMD:C_0603_HandSoldering | C2, C11, C13, C15, C17, C19, C21, C23, C25, C26, C27, C28, C29, C30, C33, C36 +15 |
| 23 | 100kΩ | Resistors_SMD:R_0603_HandSoldering | R3, R4, R13, R14, R15, R16, R17, R19, R20, R21, R22, R42, R43, R44, R45, R48 +7 |
| 17 | 10kΩ | Resistors_SMD:R_0603_HandSoldering | R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, R37, R38, R40 +1 |
| 14 | 10uF | Capacitors_SMD:C_0603_HandSoldering | C1, C3, C4, C5, C6, C8, C10, C12, C14, C16, C18, C20, C22, C24 |
| 6 | 1kΩ | Resistors_SMD:R_0603_HandSoldering | R1, R2, R6, R8, R49, R58 |
| 5 | 2N3904 | CustomFootprint:TO-92_Inline_Wide | Q1, Q2, Q3, Q4, Q5 |
| 5 | OPA4277 | Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm | U5, U9, U14, U16, U17 |
| 4 | 100uF | CustomFootprint:Radial-8mm-Pitch-3.5mm-Pin-0.6 | C31, C32, C34, C35 |
| 4 | 47uF | CustomFootprint:Radial-6mm-Pitch-2.5mm-Pin-0.6mm | C50, C51, C52, C53 |
| 3 | 4.7kΩ | Resistors_SMD:R_0603_HandSoldering | R12, R18, R60 |
| 3 | 47kΩ | Resistors_SMD:R_0603_HandSoldering | R11, R57, R59 |
| 3 | MAX5215 | CustomFootprint:uMAX-8 | U11, U12, U13 |
| 2 | 12mΩ | Resistors_SMD:R_0805_HandSoldering | R46, R47 |
| 2 | 91kΩ | Resistors_SMD:R_0603_HandSoldering | R36, R39 |
| 2 | Heatsink_Pad | CustomFootprint:Heatsink_SMD_D2PAK | HS1, HS2 |
| 2 | S2A | Diodes_SMD:D_SMB_Handsoldering | D1, D2 |
| 2 | TL431 | CustomFootprint:TO-92_Inline_Wide | Vref2, Vref3 |
| 2 | Vin | CustomFootprint:Terminal_Block-5mm | J10, J21 |
| 2 | Vout | CustomFootprint:Terminal_Block-5mm | J11, J22 |
| 1 | +12V | CustomFootprint:Pin_Header_Straight_1x05 | J3 |
| 1 | +14Vin | CustomFootprint:Pin_Header_Straight_1x02 | J1 |
| 1 | +3V3 | CustomFootprint:Pin_Header_Straight_1x05 | J5 |
| 1 | +5V | Pin_Headers:Pin_Header_Straight_2x05_Pitch2.54mm | J4 |
| 1 | -12V | CustomFootprint:Pin_Header_Straight_1x05 | J6 |
| 1 | -3V3 | CustomFootprint:Pin_Header_Straight_1x05 | J8 |
| 1 | -5V | CustomFootprint:Pin_Header_Straight_1x05 | J7 |
| 1 | 1.8kΩ | Resistors_SMD:R_0603_HandSoldering | R10 |
| 1 | 15SQ045 | CustomFootprint:Diode-Radial-9mm-length-9mm-pitch-12.7mm | D3 |
| 1 | 1N914 | CustomFootprint:1N4148 | D4 |
| 1 | 1kΩ | CustomFootprint:Potentiometer_Bourns_3386 | POT2 |
| 1 | 2.9kΩ | Resistors_SMD:R_0603_HandSoldering | R9 |
| 1 | 22uH | CustomFootprint:Inductor_SMD_13X13 | L1 |
| 1 | 2kΩ | CustomFootprint:Potentiometer_Bourns_3386 | POT1 |
| 1 | 470Ω | Resistors_SMD:R_0603_HandSoldering | R5 |
| 1 | 8.2kΩ | Resistors_SMD:R_0603_HandSoldering | R7 |
| 1 | Buck Power | CustomFootprint:Pin_Header_Straight_1x02 | J9 |
| 1 | BuckEnable | CustomFootprint:Pin_Header_Straight_1x03 | J14 |
| 1 | DAC&CC Digital I/O | CustomFootprint:Pin_Header_Straight_1x02 | J13 |
| 1 | DAC&CC Power | CustomFootprint:Pin_Header_Straight_1x03 | J12 |
| 1 | GND | CustomFootprint:Pin_Header_Straight_1x05 | J2 |
| 1 | IPD90P03P4L-04 | TO_SOT_Packages_SMD:TO-252-3_TabPin2 | Q6 |
| 1 | L7805 | CustomFootprint:TO-220_Neutral123_Vertical | U2 |
| 1 | L7812 | CustomFootprint:TO-220_Neutral123_Vertical | U6 |
| 1 | L7905 | CustomFootprint:TO-220_Neutral123_Vertical | U3 |
| 1 | L7912 | CustomFootprint:TO-220_Neutral123_Vertical | U7 |
| 1 | LM2678T-ADJ | TO_SOT_Packages_SMD:TO-263-7_TabPin4 | U8 |
| 1 | LM4050CIM3-4.1 | TO_SOT_Packages_SMD:SOT-23 | Vref1 |
| 1 | Linear Power | CustomFootprint:Pin_Header_Straight_1x03 | J20 |
| 1 | LinearEnable | CustomFootprint:Pin_Header_Straight_1x03 | J15 |
| 1 | MAX4525 | CustomFootprint:uMAX-10 | U15 |
| 1 | NCP1117-3.3 | TO_SOT_Packages_SMD:TO-252-2 | U4 |
| 1 | PCA9545B | Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm | U10 |
| 1 | Relay-DPDT | CustomFootprint:Relay | RLY1 |
| 1 | SPDT | CustomFootprint:Relay-SPDT(FORM-C) | RLY2 |
| 1 | TC962 | CustomFootprint:IC_PDIP_8pin | U1 |
| 1 | VCMod Analog I/O | CustomFootprint:Pin_Header_Straight_1x02 | J18 |
| 1 | VCMod Digital I/O | CustomFootprint:Pin_Header_Straight_1x03 | J17 |
| 1 | VCMod Power | CustomFootprint:Pin_Header_Straight_1x02 | J16 |
| 1 | Vfb | CustomFootprint:Pin_Header_Straight_1x02 | J19 |
Questions
How big is the PSU 4CH PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PSU 4CH use?
172 parts, built around the OPA4277UA, MAX5215GUA+, LM2678T-ADJ and PCA9545BPW. 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 PSU 4CH KiCad files?
From the koson/KicadProject repository on GitHub, at the commit this page was made from: the board is Commercial/PSU 4CH/Version 4/Version 4.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the PSU 4CH design in my own project?
Its repository states no licence, so its author keeps all rights: ask koson before reusing the design.
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