PCB Bill of Materials
Detailed table (BOM)
The table below lists every component on the Chromapi motherboard.
| Designator | Qty | Description | Manufacturer part number (MPN) | Manufacturer |
|---|---|---|---|---|
| C1, C4, C7, C11, C31, C32, C35, C36, C37, C38, C39, C40 | 12 | CAP, CERM, 100nF, 50V, ±10%, X7R, 0603 | CC0603KRX7R9BB104 | YAGEO |
| C2, C3, C20, C21, C22, C23, C24, C27, C28, C29, C42 | 11 | CAP, CERM, 100nF, 50V, ±10%, X7R, 0402 | CL05B104KB54PNC | Samsung Electro-Mechanics |
| C5, C6 | 2 | CAP, alu. electrolytic, 22µF, 16V, ±20%, 5x5.8mm | EEEHB1C220R | Panasonic |
| C8, C9, C10 | 3 | CAP, CERM, 22µF, 25V, ±10%, X5R, 1206 | CL31A226KAHNNNE | Samsung Electro-Mechanics |
| C12 | 1 | CAP, CERM, 2.2µF, 16V, ±10%, X5R, 0603 | CL10A225KO8NNNC | Samsung Electro-Mechanics |
| C13, C14, C15, C16 | 4 | CAP, CERM, 22µF, 25V, ±20%, X5R, 0805 | CL21A226MAQNNNE | Samsung Electro-Mechanics |
| C17 | 1 | CAP, CERM, 470pF, 50V, ±5%, C0G/NP0, 0603 | CC0603JRNPO9BN471 | YAGEO |
| C18, C19, C26 | 3 | CAP, CERM, 1µF, 50V, ±10%, X5R, 0603 | CL10A105KB8NNNC | Samsung Electro-Mechanics |
| C25, C30, C41 | 3 | CAP, CERM, 10µF, 25V, ±10%, X5R, 0805 | CL21A106KAYNNNE | Samsung Electro-Mechanics |
| C33, C34 | 2 | CAP, CERM, 220pF, 50V, ±10%, X7R, 0603 | CL10B221KB8NNNC | Samsung Electro-Mechanics |
| D1, D2 | 2 | Diode, Schottky, 40V, 3A, SMA | SS34 | MDD |
| D3 | 1 | LED, red, 0603 | KT-0603R | Hubei KENTO Elec |
| D4 | 1 | LED, emerald green, 0603 | KT-0603G | Hubei KENTO Elec |
| D5 | 1 | LED, blue, 0603 | KT-0603B | Hubei KENTO Elec |
| D6 | 1 | Addressable RGB LED, 800kbit/s, SMD 2.2x2mm | WS2812B-2020 | Worldsemi |
| FB1, FB2, FB3 | 3 | Ferrite bead, 330Ω @ 100MHz, 2.5A, 0805 | MPZ2012S331AT000 | TDK |
| L1 | 1 | Inductor, 4.7µH, 5.5A, DCR 40mΩ, SMD | IHLP2525CZER4R7M01 | Vishay |
| L2 | 1 | Inductor, 1.5µH, 14A, ±20%, DCR 5.3mΩ, size 1040 | 7443552150 | Würth Elektronik |
| MK1 | 1 | MEMS microphone, 24-bit I2S, LGA-6 | ICS-43434 | TDK InvenSense |
| Q1, Q2 | 2 | N-channel MOSFET, 30V, 101A, VSON-8 | CSD17581Q3A | Texas Instruments |
| Q3 | 1 | P-channel MOSFET, 30V, 12A, SOP-8 | AO4435 | UMW |
| Q4 | 1 | N-channel MOSFET, 30V, 10.5A, SOIC-8 | AO4468 | Alpha & Omega Semiconductor |
| R1, R4, R26 | 3 | RES, 330Ω, ±1%, 62.5mW, 0402 | 0402WGF3300TCE | UNI-ROYAL |
| R2, R3, R23, R24, R28, R29, R32, R33, R34, R35 | 10 | RES, 10kΩ, ±1%, 62.5mW, 0402 | 0402WGF1002TCE | UNI-ROYAL |
| R5, R8, R14, R16 | 4 | RES, 0Ω (bridge), ±1%, 100mW, 0603 | 0603WAF0000T5E | UNI-ROYAL |
| R6 | 1 | RES, current-sense shunt, 2mΩ, ±1%, 2W, 2512 | HoYLR2512-2W-2mR-1% | Milliohm |
| R7 | 1 | RES, 2kΩ, ±1%, 62.5mW, 0402 | 0402WGF2001TCE | UNI-ROYAL |
| R9 | 1 | RES, current-sense shunt, 60mΩ, ±1%, 250mW, 1206 | RL1206FR-070R06L | YAGEO |
| R10, R11 | 2 | RES, 5.1kΩ, ±1%, 100mW, 0603 | 0603WAF5101T5E | UNI-ROYAL |
| R12, R13, R17, R22, R36 | 5 | RES, 1kΩ, ±1%, 100mW, 0603 | 0603WAF1001T5E | UNI-ROYAL |
| R15, R19, R30 | 3 | RES, 100kΩ, ±1%, 100mW, 0603 | 0603WAF1003T5E | UNI-ROYAL |
| R18 | 1 | RES, 137kΩ, ±1%, 100mW, 0603 | 0603WAF1373T5E | UNI-ROYAL |
| R20 | 1 | RES, 18.2kΩ, ±1%, 100mW, 0603 | RC0603FR-0718K2L | YAGEO |
| R21 | 1 | RES, 68kΩ, ±1%, 100mW, 0603 | CRCW060368K0FKEA | Vishay |
| R25, R27 | 2 | RES, 100Ω, ±1%, 62.5mW, 0402 | 0402WGF1000TCE | UNI-ROYAL |
| R31 | 1 | RES, 1MΩ, ±1%, 62.5mW, 0402 | 0402WGF1004TCE | UNI-ROYAL |
| U1 | 1 | IC, 2S Li-ion battery protection, SOT-23-6 | HY2120-CB | HYCON |
| U2 | 1 | IC, I2C power monitor, VSSOP-10 | INA226AQDGSRQ1 | Texas Instruments |
| U3 | 1 | IC, Li-ion charge controller, SOP-8 | CN3302 | Consonance |
| U4 | 1 | IC, 12A synchronous buck converter, VQFN-HR-13 | TPS513885VABR | Texas Instruments |
| U5 | 1 | IC, 3.3V LDO regulator, DFN-6 | LD39050PU33R | STMicroelectronics |
| U6 | 1 | IC, 3-state logic buffer, SOT-23-5 | SN74LVC1G126DBVR | Texas Instruments |
| U7 | 1 | MCU, ARM Cortex-M4F, 170MHz, LQFP-32 | STM32G431KBT6 | STMicroelectronics |
| U8 | 1 | IC, 3-state logic buffer, SOT-23-5 | SN74AHCT1G125DBVR | Texas Instruments |
| U9 | 1 | IC, 3-state logic buffer, SOT-23-5 | SN74LVC1G125DBVR | Texas Instruments |
| U10 | 1 | IC, I2S class-D audio amplifier, TQFN-16 | MAX98357AETE+T | Maxim |
| U11 | 1 | 6-axis IMU (accelerometer + gyroscope), SPI/I2C, LGA-16 | BMI088 | Bosch |
Substitutions
Unless noted otherwise, any part can be substituted with an equivalent component.
Full manufacturing files (gerbers, drill files, CPL) are in
chromapi_motherboard/hardware/production.
Interactive view (iBOM)
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