

Nixie clock
- Size
- 168 × 44 mm
- Copper layers
- 2
- Thickness
- 1.59 mm
- Parts
- 88
- Nets
- 97
- Pads
- 336
- Tracks, vias
- 1, 0
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 15 Nov 2023
- Updated
- 1 Jan 2024
Overview
Nixie clock is an open-source printed circuit board by SpicyHolo, from the SpicyHolo/PCB_NixieDivergenceMeter repository on GitHub. It is a 2-layer board of 168 × 44 mm with 88 parts on 97 nets, routed with 1 track and 0 vias.
It is built around the TPS62933FDRL, CYPD3177-24LQXQ and DS3234S#, with the FSMRA4JH04, 2N7002NXAKR and CR2032 among its other parts. Its parts include 33 capacitors, 29 resistors, 6 connectors, 5 ICs and 5 switches. It belongs with the lEDs and displays boards and the STM32 boards of this library.
Main components
7TPS62933FDRL
SOT-583-40℃~+150℃@(TJ) 1 125uA 2.2MHz 3.8V~30V 3A 800mV~22V Adjustable Buck Buck Built-in Yes SOT-583 DC-DC Converters ROHSTexas InstrumentsDC-DC ConvertersCYPD3177-24LQXQ
TQFN-24TQFN-24-EP(4x4) Power Distribution Switches ROHSInfineon TechnologiesPower Distribution SwitchesDS3234S#
SO-20-300mil-40℃~+85℃ 1.5uA 2V~5.5V 400uA Built-in SPI Temperature compensation、Backup power management and battery charging、InsideSRAM/NVRAM、Programmable clock output、Alarm function Yes SO-20-300mil Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real-Time Clocks (RTC)FSMRA4JH04
插件-4P,7.1x7mm-40℃~+105℃ 100 thousand cycles 24V 50mA 7.01mm 7.11mm Black No PC Pin Right Angle Round Button SPST With Bracket Plugin-4P,7.1x7mm Tactile SwitchesTE ConnectivityTactile Switches2N7002NXAKR
SOT-23-55℃~+150℃ 1 N-channel 190mA、300mA 2.1V 20pF 265mW、1.33W 4.5Ω@10V 430pC@4.5V 60V SOT-23 MOSFETs ROHSNexperiaMOSFETsCR2032
-- Unclassified goods ROHSMaxellUncategorisedDMP3098LSD-13-VB
SO-8MOSFETsVBsemi Elec
Parts
88| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 2k2 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10, R11, R12, R13, R19, R20, R22, R23, R24, R29 |
| 8 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R5, R6, R7, R8, R9, R28 |
| 7 | 100 nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C5, C6, C7, C9, C12, C26 |
| 6 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C19, C20, C21, C24, C29, C31 |
| 4 | 4u7 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C18, C22, C23, C25 |
| 3 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13, C14, C17 |
| 2 | 10n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C15, C16 |
| 2 | 10p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C11 |
| 2 | 20k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14, R25 |
| 2 | 2k4 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16, R18 |
| 2 | 4.7 uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C8 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15, R17 |
| 2 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5, J6 |
| 2 | FSMRA4JH04 | FSMRA4JH04:FSMRA4JH04 | SW3, SW4 |
| 2 | LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 1 | 1 uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
| 1 | 10 nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R26 |
| 1 | 100k | Potentiometer_SMD:Potentiometer_Bourns_TC33X_Vertical | RV1 |
| 1 | 100u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C33 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28 |
| 1 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-6032-15_Kemet-U_Pad2.25x2.35mm_HandSolder | C27 |
| 1 | 1364 HVPS | HVPS:1364 HVPS horizontal | U4 |
| 1 | 22p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C32 |
| 1 | 2N7002NXAKR | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 30k9 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R27 |
| 1 | 33n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C30 |
| 1 | 5.6uH | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1 |
| 1 | 8 MHz | Crystal:Crystal_SMD_5032-4Pin_5.0x3.2mm | Y1 |
| 1 | BAT64-02V | Diode_SMD:D_0603_1608Metric | D3 |
| 1 | CR2032 | Battery:BatteryHolder_Keystone_3034_1x20mm | BT1 |
| 1 | CYPD3177-24LQXQ | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.75x2.75mm | U3 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J7 |
| 1 | DMP3098LSD-13 | FET_Power:SOIC127P600X175-8N | Q2 |
| 1 | DNP | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R21 |
| 1 | DS3234 | Package_SO:SO-20_12.8x7.5mm_P1.27mm | U2 |
| 1 | GS2 | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | SB1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Bourns_Horizontal_PEC09-2xxxF-Sxxxx | SW5 |
| 1 | STM32F072RBTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | SW_BOOT | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW2 |
| 1 | SW_RST | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW1 |
| 1 | TPS62933FDRL | Package_TO_SOT_SMD:SOT-583-8 | U5 |
| 1 | USB_C_PD | Connector_USB:USB_C_Receptacle_GCT_USB4135-GF-A_6P_TopMnt_Horizontal | J4 |
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Questions
How big is the Nixie clock PCB?
It measures 168 × 44 mm and has 2 copper layers, 1.59 mm thick.
What parts does the Nixie clock use?
88 parts, built around the TPS62933FDRL, CYPD3177-24LQXQ, DS3234S# and FSMRA4JH04. 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 Nixie clock KiCad files?
From the SpicyHolo/PCB_NixieDivergenceMeter repository on GitHub, at the commit this page was made from: the board is hardware/logic/nixie_clock.kicad_pcb and its schematic hardware/logic/nixie_clock-MCU.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nixie clock design in my own project?
Its repository states no licence, so its author keeps all rights: ask SpicyHolo before reusing the design.