

Chandra queenofnight
final fianl duper final kicad design
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 89
- Nets
- 105
- Pads
- 297
- Tracks, vias
- 404, 40
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Apr 2026
- Updated
- 19 Aug 2026
Overview
Chandra queenofnight is an open-source printed circuit board by Shawez17, from the Shawez17/Chandra repository on GitHub. It is a 2-layer board with 89 parts on 105 nets, routed with 404 tracks and 40 vias.
It is built around the MIC4684BM, AP2112K-3.3 and TL431D, with the UC3842N, B2P-VH and B2B-XH-A among its other parts. Its parts include 13 ICs, 12 resistors, 9 connectors, 5 diodes and 5 crystals. It belongs with the ESP32 boards of this library.
Main components
8MIC4684BM
SOIC-8-40℃~+85℃@(TA) 1 200kHz 2A 4V~30V 6mA Adjustable Buck Built-in No Overcurrent Protection、Hiccup current limiting Step-down type SOIC-8 DC-DC ConvertersMicrochip TechnologyDC-DC ConvertersAP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorisedTL431D
SOT-23-40℃~+125℃ 100mA 2.495V~36V 2.495V~36V 40uA Adjustable Parallel ±0.4% SOT-23 Voltage Reference ROHSALJVoltage ReferenceUC3842N
DIP-80℃~+70℃ 10V~30V 1A 1W 52kHz 97% Isolation PWM Modulation Primary-side feedback Under Voltage Protection、Over Current Protection、Soft-start、Under-voltage lockout DIP-8 AC-DC Controllers and Regulators ROHSHGSEMIAC-DC Controllers And RegulatorsB2P-VH
插件,P=3.96mmPlugin,P=3.96mm Wire To Board Connector ROHSJSTWire To Board ConnectorB2B-XH-A
插件,P=2.5mm-25℃~+85℃ 1 1x2P 2 2.5mm 250V 2P 3A 5.75mm 7.4mm 7mm Brass K Pin PA66 Through Hole Tin UL94V-0 White XH 插件,P=2.5mm Wire To Board Connector ROHSJSTWire To Board ConnectorUF5408
DO-201AD-65℃~+125℃ 1 Independent 1.7V@3A 10uA@1kV 150A 1kV 3A 75ns DO-201AD Fast Recovery / High Efficiency Diodes ROHSSUNMATE ElecFast Recovery / High Efficiency DiodesW06G
DIP-4-50℃~+150℃@(Tj) 1.5A 1V@1A 50A 5uA@600V 600V Single-Phase Rectifier DIP-4 Bridge Rectifiers ROHSEIC SemiconBridge Rectifiers
Parts
89| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 20k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R5, R6, R8 |
| 5 | B2P-VH | Connector_JST:JST_VH_B2P-VH-B_1x02_P3.96mm_Vertical | X1, X2, X3, X4, X5 |
| 3 | 100nF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C_bs1, C_comp1, C_op_5 |
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4, R7 |
| 3 | 10u | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C_decoup_3V3_2, C_decoup_12V1, C_decoup_12V2 |
| 3 | 2.2n | Capacitor_THT:C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C_snub1, C_Y_1, C_Y_2 |
| 2 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R11, R12 |
| 2 | 100u | Capacitor_THT:CP_Radial_D10.0mm_P7.50mm | C_vcc1, C3 |
| 2 | 1N5820 | Diode_THT:D_DO-15_P10.16mm_Horizontal | D_fastSwitchig_out1, D_fastSwitchig_out2 |
| 2 | 1u | Capacitor_THT:C_Disc_D10.0mm_W2.5mm_P5.00mm | C_in1, C_out1 |
| 2 | 4.7k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R_dac1_pup_scl1, R_dac1_pup_sda1 |
| 2 | 47u | Capacitor_THT:CP_Radial_D10.0mm_P7.50mm | C_filter2, C_filter3 |
| 2 | 51494-2 | kaam25_footprints_symbol:51494-2 | J7, J8 |
| 2 | 83k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P20.32mm_Horizontal | R_startUp1, R_startUp2 |
| 2 | B2B-XH-A__LF__SN_ledTwoTerminal | kaam25_footprints_symbol:JST_B2B-XH-A__LF__SN_ | J4, J5 |
| 2 | B5B-XH-A_rotataryKnob | kaam25_footprints_symbol:JST_B5B-XH-A | J1, J3 |
| 2 | KY-040 | kaam25_footprints_symbol:KY-040-PORT | U1, U3 |
| 2 | LED | LED_THT:LED_D1.8mm_W1.8mm_H2.4mm_Horizontal_O3.81mm_Z4.9mm | D1, D2 |
| 2 | MCP4725xxx-xCH | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | U6, U7 |
| 2 | bp060674p12 | kaam25_footprints_symbol:bp060674p12 | IC1, IC2 |
| 1 | 0.68 | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R_sense1 |
| 1 | 1.26k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P20.32mm_Horizontal | R_startUp3 |
| 1 | 1.5k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R_Fb1 |
| 1 | 10 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | TH1 |
| 1 | 100n | Capacitor_THT:C_Rect_L10.0mm_W4.0mm_P7.50mm_MKS4 | C_X1 |
| 1 | 100u | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C_bp_1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P7.62mm_Vertical | R_pullDown1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R_comp1 |
| 1 | 10nF | Capacitor_THT:C_Disc_D10.5mm_W5.0mm_P10.00mm | C_comp2 |
| 1 | 17 | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P25.40mm_Horizontal | R_snub1 |
| 1 | 18k | Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P7.62mm_Vertical | R_T1 |
| 1 | 18k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R_up1 |
| 1 | 1N5819 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D6 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9 |
| 1 | 1nF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C_T1 |
| 1 | 1u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C_filter1 |
| 1 | 1u | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C_bypass1 |
| 1 | 2.2k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_led1 |
| 1 | 22 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R_gate1 |
| 1 | 3.10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R10 |
| 1 | 4.7k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R_down1 |
| 1 | 47 | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R_vcc1 |
| 1 | 470V | Varistor:RV_Disc_D15.5mm_W5mm_P7.5mm | RV1 |
| 1 | 68u | Inductor_THT:L_Axial_L11.0mm_D4.5mm_P15.24mm_Horizontal_Fastron_MECC | L1 |
| 1 | 7508112339 | kaam25_footprints_symbol:WE-OLTI_EE20_10_6_L22.2W26H16.5 | T1 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U9 |
| 1 | B2B-XH-A | kaam25:B2P-VH | J9 |
| 1 | B4B-XH-A_LF__SN_oled_display | kaam25_footprints_symbol:JST_B4B-XH-A_LF__SN_ | J6 |
| 1 | DEVKIT_V1_ESP32-WROOM-32 | kaam25:MODULE_DEVKIT_V1_ESP32-WROOM-32 | U2 |
| 1 | DM-OLED096-636 | kaam25_footprints_symbol:MODULE_DM-OLED096-636 | U8 |
| 1 | D_Zener | Diode_THT:D_5KP_P12.70mm_Horizontal | D4 |
| 1 | FQPF7N90C | Package_TO_SOT_THT:TO-220-3_Vertical | Q1 |
| 1 | MIC4684 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | Optocoupler_DC_PhotoNPN_AKEC | Package_DIP:DIP-4_W7.62mm | U10 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type011_RT05503HBLC_1x03_P5.00mm_Horizontal | J2 |
| 1 | TL431D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U11 |
| 1 | UC3842N | kaam25_footprints_symbol:DIP794W45P254L959H508Q8 | U5 |
| 1 | UF5408 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D_snub1 |
| 1 | W06G | Diode_THT:Diode_Bridge_Round_D9.8mm | D3 |
Questions
What parts does the Chandra queenofnight use?
89 parts, built around the MIC4684BM, AP2112K-3.3, TL431D and UC3842N. 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 Chandra queenofnight KiCad files?
From the Shawez17/Chandra repository on GitHub, at the commit this page was made from: the board is chandra_queenofnight.kicad_pcb and its schematic chandra_queenofnight.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Chandra queenofnight design in my own project?
Its repository states no licence, so its author keeps all rights: ask Shawez17 before reusing the design.
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