

Remote Test Evironment (RTE) sechematics.
- Size
- 120.1 × 58.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 77
- Nets
- 84
- Pads
- 333
- Tracks, vias
- 807, 62
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 2 Apr 2018
- Updated
- 11 Jul 2024
Overview
Rte is an open-source printed circuit board by 3mdeb, from the 3mdeb/rte-schematics repository on GitHub. It is a 2-layer board of 120.1 × 58.9 mm with 77 parts on 84 nets, routed with 807 tracks and 62 vias.
It is built around the MAX3232ID, FDC6331L and MCP23017-E/SS, with the MIC5504-1.8YM5-TR, MIC5504-3.3YM5 and TXS0104ED among its other parts. Its parts include 18 connectors, 15 capacitors, 10 resistors, 8 ICs and 5 diodes.
Main components
10MAX3232ID
SOIC-16-40℃~+85℃ 2 2 250Kbps 300uA 3V~5.5V Short-Circuit Protection Transceiver Yes ±15kV SOIC-16 RS232 ICs ROHSTexas InstrumentsRS232 ICsFDC6331L
SuperSOT-6-55℃~+150℃ 1 2.5V~8V 2.8A 34mΩ Active High Load Switch SuperSOT-6 Power Distribution Switches ROHSonsemiPower Distribution SwitchesMCP23017-E/SS
SSOP-28(5.3x10.2x0.65)-40℃~+125℃ 1.7MHz 1.8V~5.5V 16 1uA 600mV 8 8mA I2C Interrupt Output Reset function、Cascading and address extension SSOP-28 I/O Expanders ROHSMicrochip TechnologyI/O ExpandersMIC5504-1.8YM5-TR
SOT-23-5-40℃~+125℃@(Tj) 1 1.8V 175uVrms 300mA 380mV@(300mA) 5.5V 55uA 60dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsMIC5504-3.3YM5
SOT-23-5-40℃~+125℃@(Tj) 1 120uVrms 15uA 180mV@(300mA) 3.3V 300mA 5.5V 75dB@(1kHz) Fixed Over Temperature Protection、Enable Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTECH PUBLICVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsTXS0104ED
SOIC-14-40℃~+85℃ 1 1.65V~3.6V 2.3V~5.5V 24Mbps 4 Auto Direction Detection Bidirectional Push-Pull、Open-drain SOIC-14 Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level ShiftersNDS351AN
SOT-23MOSFETsTECH PUBLIC0ZCJ0200FF2C
1206-40℃~+85℃ 100A 18mΩ 2A 3.5A 6V 800mW 80mΩ 8s 1206 Resettable Fuses ROHSBel FuseResettable FusesSMBD7000E6327HTSA1
SOT-231 Pair Series Connection 1.25V@150mA 100V 200mA 330mW 4ns 500nA@100V SOT-23 Switching Diodes ROHSInfineon TechnologiesSwitching DiodesSI9435BDY
SO-8-55℃~+150℃ 1 P-Channel 1.3W 24nC@10V 30V 3V 5.7A 70mΩ@4.5V P-Channel SO-8 MOSFETs ROHSVishay IntertechnologyMOSFETs
README
README.mdSchematics for RTE system
This repository contains source files for Remote Testing Environment schematics.
If you want to read more about this project, here are some useful links:
- Firmware/software:
- meta-rte - custom firmware for OrangePi Zero (MIT license)
- RteCtrl - binary for power management on board (MIT license)
- Datasheets (under CC BY-SA 4.0 International License):
Parts
77| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8, C10, C11, C12, C15 |
| 7 | Mounting_Hole | Mounting_Holes:MountingHole_2.7mm_Pad | MK1, MK2, MK3, MK4, MK5, MK6, MK7 |
| 4 | 10k | Resistor_SMD:R_0805_2012Metric | R3, R4, R5, R9 |
| 4 | Fiducial | Fiducial:Fiducial_0.75mm_Mask2.25mm | FID1, FID2, FID3, FID4 |
| 3 | 10uF | Capacitor_SMD:C_0805_2012Metric | C9, C13, C14 |
| 2 | 1k | Resistor_SMD:R_1206_3216Metric | R1, R2 |
| 2 | 74LS06 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U2, U4 |
| 2 | NDS351AN | Package_TO_SOT_SMD:TSOT-23 | Q1, Q2 |
| 1 | 0R | Resistor_SMD:R_1206_3216Metric | R10 |
| 1 | 0R | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 0ZCJ0200FF2C | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R8 |
| 1 | 3MDEB_LOGO | 3mdeb:3mdeb_logo | LOGO2 |
| 1 | 51k | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 5V_POWER_SUPPLY | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J15 |
| 1 | APU_LED_INPUT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | APU_POWER_SUPPLY_INPUT | Connector_BarrelJack:BarrelJack_Horizontal | J12 |
| 1 | APU_POWER_SUPPLY_OUTPUT | Connector_BarrelJack:BarrelJack_Horizontal | J13 |
| 1 | EXP_GPIO_OUTPUT | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J10 |
| 1 | EXTERNAL UART | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J18 |
| 1 | FDC6331L | Package_TO_SOT_SMD:SuperSOT-6 | U8 |
| 1 | FTR-B3CA003Z | Relay_THT:Relay_DPDT_AXICOM_IMSeries_Pitch5.08mm | K2 |
| 1 | HF3FA | Relay_THT:Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
| 1 | I2C_BUS_OUTPUT | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | LED | LED_SMD:LED_1206_3216Metric | D5 |
| 1 | MAX3232 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | MCP23017 | Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm | U1 |
| 1 | MIC5504-1.8YM5 | Package_TO_SOT_SMD:SOT-23-5 | U6 |
| 1 | MIC5504-3.3YM5 | Package_TO_SOT_SMD:SOT-23-5 | U7 |
| 1 | OC BUFFER OUTPUT | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J11 |
| 1 | ORANGE_LED_3V3 | LED_SMD:LED_1206_3216Metric | D3 |
| 1 | ORANGE_PI_ZERO_CONN1 | Connector_PinSocket_2.54mm:PinSocket_2x13_P2.54mm_Vertical | J5 |
| 1 | ORANGE_PI_ZERO_CONN2 | Connector_PinSocket_2.54mm:PinSocket_1x13_P2.54mm_Vertical | J3 |
| 1 | ORANGE_PI_ZERO_SERIAL_IN | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J4 |
| 1 | ORANGE_PI_ZERO_SERIAL_OUT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | OSHW | Symbol:OSHW-Logo2_7.3x6mm_SilkScreen | LOGO3 |
| 1 | RED_LED_5V | LED_SMD:LED_1206_3216Metric | D2 |
| 1 | RESET | Button_Switch_SMD:SW_SPST_PTS645 | SW1 |
| 1 | RS232 | Connect:DB9MD | J14 |
| 1 | S1A-E3/61T | Diode_SMD:D_SMA | D1 |
| 1 | SMBD7000E6327HTSA1 | Diode_SMD:D_SOT-23_ANK | D4 |
| 1 | SPI_OUTPUT | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J7 |
| 1 | Si9435BDY | Package_SO:SO-8_5.3x6.2mm_P1.27mm | Q5 |
| 1 | TXS0104E | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U5 |
| 1 | UART OUTPUT SELECT | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J16 |
| 1 | USB_A1 | Connectors:USB_A_Vertical | J6 |
| 1 | USB_A2 | Connectors:USB_A_Vertical | J8 |
| 1 | USB_POWER_SUPPLY | Connectors:USB_Micro-B | J17 |
| 1 | WEEE | Symbol:WEEE-Logo_4.2x6mm_SilkScreen | LOGO1 |
Questions
How big is the Rte PCB?
It measures 120.1 × 58.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Rte use?
77 parts, built around the MAX3232ID, FDC6331L, MCP23017-E/SS and MIC5504-1.8YM5-TR. 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 Rte KiCad files?
From the 3mdeb/rte-schematics repository on GitHub, at the commit this page was made from: the board is kicad-files/rte.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Rte design in my own project?
Its repository states no licence, so its author keeps all rights: ask 3mdeb before reusing the design.
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