

Tssi rtml
BR25e TSSI RTML board
- Size
- 100.5 × 82.8 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 66
- Pads
- 248
- Tracks, vias
- 399, 131
- Pours
- 13
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 19 Nov 2024
- Updated
- 10 May 2025
Overview
Tssi rtml is an open-source printed circuit board by broncoracing, from the broncoracing/tssi-rtml repository on GitHub. It is a 4-layer board of 100.5 × 82.8 mm with 94 parts on 66 nets, routed with 399 tracks and 131 vias.
It is built around the UCC12040DVE, CD4093BM96 and L7805, with the LMV331TP, LTV-817S and MP174AGJ-Z among its other parts. Its parts include 33 resistors, 18 capacitors, 9 ICs, 9 diodes and 5 transistors.
Main components
12UCC12040DVE
SOIC-16-300mil-40℃~+125℃ 3.3V、5V 3kV 5V SOIC-16-300mil Isolated DC/DC Converters ROHSTexas InstrumentsIsolated DC/DC ConvertersCD4093BM96
SOIC-14-55℃~+125℃ 130ns@15V,50pF 2 3.4mA 3.4mA 3.6V~10.8V 3V~18V 4 4.95V、9.95V、14.95V 4000B Series 4uA 50mV 900mV~4V NAND Gate Schmitt trigger SOIC-14 Logic Gates ROHSTexas InstrumentsLogic GatesL7805
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) RegulatorsLMV331TP
SOT-23-5-55℃~+125℃ 0.8uV/℃ 1 1.8V~5.5V 1pA 2pA 50uA 7V 800uV 950ns Open-drain Rail-to-rail input SOT-23-5 Comparators ROHSTECH PUBLICComparatorsLTV-817S
SMD-4P-55℃~+110℃ 1 1.2V 100mV@20mA,1mA 200mW 35V 3us 4us 50% 50mA 50mA 5kV 600% 6V DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHSLite-OnTransistor, Photovoltaic Output OptoisolatorsMP174AGJ-Z
TSOT-23-5-40℃~+125℃ 400mA 5.3V~5.6V 700V Boost、Flyback、Buck、Buck-Boost CCM、DCM Non-Isolated Under Voltage Protection、Over Current Protection、Short Circuit Protection、Over Temperature Protection TSOT-23-5 AC-DC Controllers and Regulators ROHSMonolithic Power SystemsUncategorisedTL431D
SOT-23-40℃~+125℃ 100mA 2.495V~36V 2.495V~36V 40uA Adjustable Parallel ±0.4% SOT-23 Voltage Reference ROHSALJVoltage ReferenceIRLZ44N
TO-22055V 47A N-Channel HEXFET® Power MOSFETInfineon TechnologiesUncategorisedMMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)1N4148WS
SOD-3231.25V@150mA 100V 150mA 1uA@75V 200mW 2A 4ns Independent SOD-323 Switching Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Switching DiodesSSB43L-E3
SMB(DO-214AA)-65℃~+150℃ 1 Independent 100A 30V 380mV@4A 4A 600uA@30V SMB(DO-214AA) Schottky Diodes ROHSVishay IntertechnologySchottky DiodesSTTH1R06A
SMA1.7V@1A 10uA@600V 1A 20A 25ns 600V SMA Fast Recovery / High Efficiency Diodes ROHSSTMicroelectronicsFast Recovery / High Efficiency Diodes
README
README.mdTSSI, Ready to move light, and Voltage Indicator
Tractive system active light for BR25
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C2, C3, C5, C6, C12, C14, C20, C21 |
| 7 | 1k | Resistor_SMD:R_0603_1608Metric | R6, R14, R19, R24, R31, R39, R40 |
| 6 | 22k | Resistor_SMD:R_0603_1608Metric | R9, R11, R20, R32, R34, R36 |
| 6 | TestPoint | TestPoint:TestPoint_Keystone_5019_Minature | TP1, TP2, TP3, TP4, TP5, TP6 |
| 5 | 220k | Resistor_SMD:R_0603_1608Metric | R12, R16, R30, R33, R37 |
| 4 | 2.2k | Resistor_SMD:R_0603_1608Metric | R1, R2, R15, R35 |
| 4 | 500k | Resistor_SMD:R_1206_3216Metric | R3, R4, R28, R29 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | IRLZ44N | IRLZ44NSTRLPBF:NMOSGDS_D2PAK_INF | Q3, Q4, Q6 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric | R13, R38 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C11, C13 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric | C4, C22 |
| 2 | 20k | Resistor_SMD:R_0603_1608Metric | R17, R18 |
| 2 | 500V 3.9u | Capacitor_SMD:C_Elec_10x10.2 | C9, C10 |
| 2 | Conn_01x02 | Connector_TE-Connectivity:TE_MATE-N-LOK_1-770966-x_1x02_P4.14mm_Horizontal | J3, J4 |
| 2 | LED-Red | LED_SMD:LED_0603_1608Metric | D7, D14 |
| 2 | LM555xN | footprints 555:M08A-L | U5, U9 |
| 2 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q2, Q5 |
| 1 | 0 | Resistor_SMD:R_0603_1608Metric | R21 |
| 1 | 1.2m | Inductor_SMD:L_12x12mm_H8mm | L1 |
| 1 | 100u | Capacitor_SMD:CP_Elec_6.3x7.7 | C15 |
| 1 | 1N4007 | Diode_SMD:D_SOD-123 | D6 |
| 1 | 1N4148WS | Diode_SMD:D_SOD-323 | D10 |
| 1 | 1m | Inductor_SMD:L_1210_3225Metric | L2 |
| 1 | 2.2u | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 20K | Resistor_SMD:R_1206_3216Metric | R5 |
| 1 | 220n | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 24k | Resistor_SMD:R_0603_1608Metric | R23 |
| 1 | 470p | Capacitor_SMD:C_0603_1608Metric | C8 |
| 1 | BZT52C5V1SQ-7-F | Diode_SMD:D_SOD-323F | D1 |
| 1 | CD4093BM96 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U8 |
| 1 | Conn_01x04 | Connector_TE-Connectivity:TE_MATE-N-LOK_1-770968-x_2x02_P4.14mm_Horizontal | J6 |
| 1 | JST B04B-XASK | Connector_JST:JST_XA_B04B-XASK-1-A_1x04_P2.50mm_Vertical | J2 |
| 1 | L7805 | Package_TO_SOT_SMD:TO-252-2 | U6 |
| 1 | LED-Green | LED_SMD:LED_0603_1608Metric | D13 |
| 1 | LED-Yellow | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | LMV331 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | LOGO | TSAL:pika | G*** |
| 1 | LTV-817S | Package_DIP:SMDIP-4_W9.53mm | U4 |
| 1 | MP174AGJ-Z | MP174AGJ_Z:TSOT23-5_MP174A_MNP | U7 |
| 1 | R_Potentiometer | Potentiometer_SMD:Potentiometer_Bourns_3269W_Vertical | RV1 |
| 1 | SSB43L | Diode_SMD:D_SMB | D5 |
| 1 | STTH1R06A | Diode_SMD:D_SMA | D4 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | TE 770966-2 | Connector_TE-Connectivity:TE_MATE-N-LOK_1-770966-x_1x02_P4.14mm_Horizontal | J1 |
| 1 | TL431D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | UCC12040DVE | footprints:SO_0DVER_TEX | U3 |
Questions
How big is the Tssi rtml PCB?
It measures 100.5 × 82.8 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Tssi rtml use?
94 parts, built around the UCC12040DVE, CD4093BM96, L7805 and LMV331TP. 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 Tssi rtml KiCad files?
From the broncoracing/tssi-rtml repository on GitHub, at the commit this page was made from: the board is pcb/PCB.kicad_pcb and its schematic pcb/BMSFO.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tssi rtml design in my own project?
Its repository states no licence, so its author keeps all rights: ask broncoracing before reusing the design.
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