6 layers124.5 × 55.9 mm
Eos tm4c1294-board
embeddedos-org/eCAD-Hardware-Products
Hardware designs + EE docs + Board datasheets of Multiple products
131 parts8MIT
4 layers100 × 65 mm
Development of a bidirectional DC/DC power supply for battery applications.
- Size
- 100 × 65 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 149
- Nets
- 78
- Pads
- 450
- Tracks, vias
- 1,134, 180
- Pours
- 21
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 26 Sep 2024
- Updated
- 11 Nov 2025
Overview
UPS is an open-source printed circuit board by SyWier, from the SyWier/Bidirectional-Power-Supply repository on GitHub. It is a 4-layer board of 100 × 65 mm with 149 parts on 78 nets, routed with 1,134 tracks and 180 vias.
It is built around the F280038PMRQ1, CP2102N-A02-GQFN20R and LP5907QMFX-3.3Q1, with the TLV431ASN, TPS2116DRL and ECH8695R-TL-W among its other parts. Its parts include 47 resistors, 44 capacitors, 9 diodes, 8 ICs and 8 connectors. It belongs with the power boards of this library.
Main components
8
F280038PMRQ1
LQFP-64(10x10)Microcontrollers (MCU/MPU/SOC)Texas Instruments
CP2102N-A02-GQFN20R
QFN-20-EP(3x3)-40℃~+85℃ 1.3uA 13.7mA 3Mbps 3V~3.6V、3V~5.25V USB 2.0 USB to UART QFN-20-EP(3x3) USB Converters ROHSSilicon LabsUSB Converters
LP5907QMFX-3.3Q1
SOT-23-5-40℃~+125℃@(Tj) 1 10uVrms 120mV@(250mA) 12uA 250mA 3.3V 5.5V 82dB@(1kHz) Fixed Positive Under Voltage Lockout、Over Temperature Protection、Enable、Short Circuit Protection SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
TLV431ASN
TSOP-5-1.5mm-40℃~+85℃@(Ta) 1.24V~16V 150nA 20mA 80uA Adjustable Parallel ±1% TSOP-5-1.5mm Voltage Reference ROHSonsemiVoltage Reference
TPS2116DRL
SOT-583Operating status indication SOT-583 Power Management - Specialized ROHSTexas InstrumentsPower Distribution Switches
ECH8695R-TL-W
SOT-28FL-55℃~+150℃ 1.3V 1.4W 10nC@4.5V 11A 2 N-Channel 24V 9.1mΩ@4.5V Common Drain SOT-28FL MOSFETs ROHSonsemiMOSFETs
ESDAULC6-3BP6
SOT-666-61.5pF 500nA 6A 6V 6V 9.2V Bidirectional ESD IEC 61000-4-2 SOT-666-6 ESD and Surge Protection (TVS/ESD) ROHSSTMicroelectronicsESD And Surge Protection (TVS/ESD)
FTSH-105-01-L-DV-K
SMD,P=1.27mm-55℃~+125℃ 1.27mm 10P 2 2x5P 3.05mm 3.4A Black Gold Phosphor bronze Pin Header Surface Mount,Vertical SMD,P=1.27mm Pin Headers ROHSSamtecPin Headers
README
README.mdBidirectional-Power-Supply
Development of a bidirectional DC/DC power supply for battery applications.
The designed developement board is a BUCK/BOOST converter, based on the direction of the power flow. This enables us to charge a battery with voltage reduction or create an uninterrupted voltage output with voltage boost.
The developement board is easily configurable through serial communication, have test points for all the important signals and includes feedback LEDs.
Directories
- Altium: Altium project of the hardware.
- CSS: Code Composer Studio project and other tools to flash the microcontroller
Parts
149| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | 100nF | Generic_PcbLib.PcbLib:CAP0603 | C6, C9, C15, C16, C17, C18, C19, C21, C22, C26, C27, C28, C41, C44 |
| 14 | Test Point | Generic_PcbLib.PcbLib:TP-1.5HOLE | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14 |
| 8 | 100R | Generic_PcbLib.PcbLib:RES0603 | R4, R5, R18, R21, R33, R35, R36, R39 |
| 8 | 330R | Generic_PcbLib.PcbLib:RES0603 | R8, R9, R24, R27, R28, R29, R46, R47 |
| 8 | 4.7uF | Generic_PcbLib.PcbLib:CAP0603 | C5, C8, C10, C11, C12, C13, C14, C20 |
| 8 | 4K7 | Generic_PcbLib.PcbLib:RES0603 | R12, R13, R14, R15, R16, R17, R43, R44 |
| 7 | Value | Generic_PcbLib.PcbLib:LED0603 | D2, D3, D4, D5, D6, D8, D9 |
| 6 | 10K | Generic_PcbLib.PcbLib:RES0603 | R10, R25, R26, R30, R38, R45 |
| 6 | 1uF | Generic_PcbLib.PcbLib:CAP0603 | C7, C23, C24, C34, C38, C39 |
| 5 | 47pF | Generic_PcbLib.PcbLib:CAP0603 | C1, C2, C35, C36, C37 |
| 4 | 1500uF | Generic_PcbLib.PcbLib:Aluminium Capacitor 10x12.5 | C29, C30, C31, C32 |
| 4 | 3K3 | Generic_PcbLib.PcbLib:RES0603 | R11, R40, R41, R42 |
| 4 | Jumper | Generic_PcbLib.PcbLib:PIN-1X2 | JP1, JP2, JP3, JP4 |
| 4 | Mounting_Hole_0 | Generic_PcbLib.PcbLib:MOUNTING_HOLE_M3 | H1, H2, H3, H4 |
| 3 | 1K | Generic_PcbLib.PcbLib:RES0603 | R6, R20, R22 |
| 3 | 20R | Generic_PcbLib.PcbLib:RES0603 | R1, R2, R19 |
| 3 | 47nF | Generic_PcbLib.PcbLib:CAP0603 | C40, C42, C43 |
| 3 | 5R | Generic_PcbLib.PcbLib:RES0603 | R32, R34, R37 |
| 3 | 691313510002 | Generic_PcbLib.PcbLib:WR-TBL-5.08/2-M | J3, J5, J6 |
| 3 | NetTie_1-1 | Generic_PcbLib.PcbLib:NETTIE_1.85MM | NT1, NT2, NT3 |
| 3 | PTS526 Button | UPS_PcbLib.PcbLib:PTS526 SMG15J SMTR2 LFS | SW1, SW2, SW3 |
| 2 | 470pF | Generic_PcbLib.PcbLib:CAP0603 | C3, C4 |
| 2 | N-MOSFET | Generic_PcbLib.PcbLib:SOT-669-5 | Q2, Q3 |
| 1 | 0R005 | Generic_PcbLib.PcbLib:RES1206_KELVIN | R23 |
| 1 | 0R010 | Generic_PcbLib.PcbLib:RES1206_KELVIN | R31 |
| 1 | 10uF | Generic_PcbLib.PcbLib:CAP0603 | C25 |
| 1 | 22K1 | Generic_PcbLib.PcbLib:RES0603 | R3 |
| 1 | 470uF | Generic_PcbLib.PcbLib:Aluminium Capacitor 10x12.5 | C33 |
| 1 | 47K5 | Generic_PcbLib.PcbLib:RES0603 | R7 |
| 1 | BQ2980 | Generic_PcbLib.PcbLib:X2QFN-8 | U3 |
| 1 | CP2102N-A02-GQFN20R | Generic_PcbLib.PcbLib:QFN-20 | U1 |
| 1 | DC Power Jack | Generic_PcbLib.PcbLib:DC Power Jack Right Angled | J7 |
| 1 | DGD05473FN-7 | Generic_PcbLib.PcbLib:V-DFN3030-10 | U6 |
| 1 | ECH8695R-TL-W | Generic_PcbLib.PcbLib:SOT-28FL | Q1 |
| 1 | ESDAULC6-3BP6 | Generic_PcbLib.PcbLib:SOT-666 | D1 |
| 1 | F280038PMRQ1 | Generic_PcbLib.PcbLib:LQFP-64 | U2 |
| 1 | FTSH-105-01-L-DV-K | Generic_PcbLib.PcbLib:CON-2x5-1.27 | J2 |
| 1 | INA181A1 | Generic_PcbLib.PcbLib:SOT23-6 | U7 |
| 1 | Inductor | Generic_PcbLib.PcbLib:IND0603 | L1 |
| 1 | Inductor | Generic_PcbLib.PcbLib:COIL_HANDMADE | L2 |
| 1 | LP5907QMFX-3.3Q1 | Generic_PcbLib.PcbLib:SOT23-5 | U5 |
| 1 | Pins 1x3 | Generic_PcbLib.PcbLib:PIN-1X3 | CN1 |
| 1 | TLV431 | Generic_PcbLib.PcbLib:SOT23-5 | U8 |
| 1 | TPS2116 | Generic_PcbLib.PcbLib:SOTFL50P160X60-8N | U4 |
| 1 | USB-A | Generic_PcbLib.PcbLib:USB-A-FEMALE | J4 |
| 1 | USB-B | Generic_PcbLib.PcbLib:USB-B-FEMALE | J1 |
| 1 | VS-MBRS130L-M3/5BT | Generic_PcbLib.PcbLib:SMB | D7 |
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Questions
How big is the UPS PCB?
It measures 100 × 65 mm and has 4 copper layers, 1.6 mm thick.
What parts does the UPS use?
149 parts, built around the F280038PMRQ1, CP2102N-A02-GQFN20R, LP5907QMFX-3.3Q1 and TLV431ASN. 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 UPS KiCad files?
From the SyWier/Bidirectional-Power-Supply repository on GitHub, at the commit this page was made from: the board is Altium/UPS/Bom/UPS.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the UPS design in my own project?
Its repository states no licence, so its author keeps all rights: ask SyWier before reusing the design.