Bill of Materials
Hardware version
MDD400 v2.9 — Fabricated prototype — testing phase
| Refs | Value | Qty | Description | Datasheet |
|---|---|---|---|---|
| BZ0 | MLT-8530 | 1 | 80 dB passive electromagnetic buzzer, SMD 8.5×8.5 mm | Jiangsu Huaneng |
| C1, C16, C18, C26, C37, C54 | 10 µF/25 V | 6 | 0805 X7R MLCC | — |
| C2, C6, C10, C11, C17, C19, C21, C22, C25, C29, C30, C38–C41, C53, C56 | 100 nF/50 V | 17 | 0603 X7R MLCC | Murata GRM188R71H104KA93D |
| C3, C8 | 1 µF/25 V | 2 | 0603 X7R MLCC | — |
| C4, C13, C31, C49, C50, C57 | 100 pF/50 V | 6 | 0603 C0G MLCC | — |
| C5, C14, C15, C20, C32, C33 | 10 µF/50 V | 6 | 1210 X7R MLCC | Murata GRM32ER71H106KA12L |
| C7, C23 | 1 pF/100 V | 2 | 0603 C0G MLCC | — |
| C12 | 4.7 µF/16 V | 1 | 0603 X7R MLCC | — |
| C27, C28, C34, C35 | 15 pF/100 V | 4 | 0603 C0G MLCC | — |
| C42, C44 | 100 nF/100 V | 2 | 0603 X7R MLCC | — |
| C43, C51, C52 | 22 µF/100 V | 3 | 2220 X7R MLCC | PSA FS55X225K251EGG |
| C45, C46 | 4.7 µF/100 V | 2 | 1206 X7R MLCC | — |
| C47, C55 | 1 µF/100 V | 2 | 1206 X7R MLCC | — |
| C48 | 2.2 nF/50 V | 1 | 0603 C0G MLCC | Murata GRM1881X0J243JA01 |
| D1, D6 | BAT54 | 2 | 30 V SOD-323F Schottky diode | Nexperia BAT54J |
| D2 | AMBER | 1 | 0603 amber LED | XINGLIGHT XL-1608UOC |
| D3–D5 | 1N5819WS | 3 | 40 V SOD-323 Schottky diode | Nexperia 1N5819WS |
| D7, D14 | PESD15VL1BA | 2 | 15 V bidirectional ESD/TVS, SOD-323 | Nexperia PESD15VL1BA |
| D8 | BZT52C7V5S | 1 | 7.5 V SOD-323 zener | Diodes Inc BZT52C7V5S |
| D9 | BZT52C15S | 1 | 15 V SOD-323 zener | Diodes Inc BZT52C15S |
| D10 | SM8S36CA | 1 | 36 V bidirectional TVS, DO-218AB, 6.6 kW | SMC Diodes SM8S36CA |
| D11 | BAT54S | 1 | 30 V SOT-23 dual series Schottky | Nexperia BAT54S |
| D12, D13 | SS34 | 2 | 40 V 3 A SMA Schottky | MSKSEMI SS34 |
| D15 | SMCJ36CA | 1 | 36 V bidirectional TVS, DO-214AB, 1.5 kW | SMC Diodes SMCJ36CA |
| F1 | 500 mA/60 V | 1 | 1812 resettable fuse (PTC) | BHFUSE BSMD1812-050 |
| FB1–FB5 | 600 Ω@100 MHz | 5 | 1206 ferrite bead | Murata BLM31KN601SN1L |
| FL1 | ACT45B-510-2P | 1 | Common-mode choke, SMD | Murata ACT45B-510-2P |
| J1 | 2×3 2.54 mm IDC | 1 | ESP-PROG 6-pin programming header | LCSC C492441 |
| J2 | 5-pin Code-A Male | 1 | DeviceNet/NMEA 2000 Micro-C connector | NMEA 2000 Micro-C spec |
| J3 | Legacy Serial 3-pin | 1 | 3-pin Autohelm-style legacy serial connector | — |
| J4 | FPC 50-pin 0.5 mm | 1 | Top/bottom clamshell FPC connector for HMI display | Xunpu FPC-05FB-50PH20 |
| L1, L2 | 22 µH | 2 | Shielded power inductor, 1.6 A, 123 mΩ DCR, SMD 5×5 mm | Bourns SRN5040TA-220M |
| L3 | 4.7 µH | 1 | Power inductor, 2.1 A, SMD 4×4 mm | Bourns SRR4028 equiv. |
| L4 | 1 µH | 1 | Power inductor, 3.5 A, SMD 4×4 mm | LCSC C602020 |
| L5 | 1 µH | 1 | Chip inductor, 150 mA, 0603 | Murata LQM18FN100M00D |
| M1, M2 | 75 V MOV | 2 | 1206 metal oxide varistor | Littelfuse V33MLA1206NH |
| Q1 | BC807-25 | 1 | PNP 45 V 500 mA SOT-323 | Nexperia BC807 |
| Q2, Q4, Q9 | AO3407A | 3 | P-channel 30 V 4.2 A SOT-23 MOSFET | UMW AO3407A |
| Q3, Q5 | S8050 | 2 | NPN 25 V 1.5 A SOT-23 | JSMSEMI SS8050 |
| Q6 | PMV240SPR | 1 | P-channel 100 V 1.2 A SOT-23 MOSFET | Nexperia PMV240SPR |
| Q7, Q12 | MMBTA56LT1G | 2 | PNP 80 V 500 mA SOT-23 | Onsemi MMBTA56LT1G |
| Q8, Q11 | BC847BS | 2 | NPN 45 V 100 mA SOT-363 dual | Nexperia BC847BS |
| Q10 | 2N7002 | 1 | N-channel 60 V 300 mA SOT-23 MOSFET | Nexperia 2N7002 |
| R1–R4, R11, R15, R17, R20, R21, R24, R26, R34, R61, R62 | 10 kΩ | 14 | 0603 thick-film 1% | Yageo RC Series |
| R5 | 32 kΩ | 1 | 0603 thin-film 0.1% | Yageo Thin Film |
| R6, R13, R19, R28, R31, R35, R38, R54 | 100 kΩ | 8 | 0603 thick-film 1% | Yageo RC Series |
| R8 | 6.8 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R9, R51 | 10 Ω | 2 | 0603 thick-film 1% | Yageo RC Series |
| R10, R39 | 4.7 Ω | 2 | 0603 thick-film 1% | Yageo RC Series |
| R12, R25, R32, R50, R58 | 2.2 kΩ | 5 | 0603 thick-film 1% | Yageo RC Series |
| R14, R27, R29, R36, R55 | 390 Ω | 5 | 0603 thick-film 1% | Yageo RC Series |
| R16 | 47 Ω | 1 | 0603 thick-film 1% | Yageo RC Series |
| R18 | 19.1 kΩ | 1 | 0603 thin-film 0.1% | Yageo Thin Film |
| R30, R37, R44, R47 | 22 kΩ | 4 | 0603 thick-film 1% | Yageo RC Series |
| R33 | 330 mΩ | 1 | 0603 shunt resistor 1% | Yageo PT0603FR-070R33L |
| R40 | 56 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R41, R43 | 1 MΩ | 2 | 0603 thick-film 1% | Yageo RC Series |
| R42 | 30.9 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R45 | 68 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R46 | 2.4 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R48, R49, R56 | 39 kΩ | 3 | 0603 thick-film 1% | Yageo RC Series |
| R52 | 1 kΩ | 1 | 0603 thin-film 0.1% | Yageo Thin Film |
| R53 | 220 mΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R57 | 47 Ω | 1 | 1210 thick-film 5% 500 mW | Yageo RC Series |
| R59 | 12 kΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| R60 | 100 mΩ | 1 | 0603 thick-film 1% | Yageo RC Series |
| U1, U6 | LMR51610 | 2 | 4–65 V 1 A synchronous buck converter, SOT-23 | TI LMR51610 |
| U2 | INA219 | 1 | Current/power monitor with I²C, SOT-23-8 | TI INA219 |
| U3 | ESP32-S3-WROOM-1-N16R8 | 1 | Dual-core Wi-Fi/BT MCU module, 16 MB flash, 8 MB PSRAM | Espressif ESP32-S3-WROOM-1 |
| U4 | HT7833 | 1 | 3.3 V LDO regulator, SOT-89 | Holtek HT78xx Series |
| U5 | SN65HVD234DR | 1 | 3.3 V CAN transceiver, SOIC-8 | TI SN65HVD234 |
| U7–U9 | TLP2309 | 3 | High-speed logic gate opto-isolator, SO-6 | Toshiba TLP2309 |
| U10 | NUP2105LT1G | 1 | Dual-line CAN TVS diode array, SOT-23 | Onsemi NUP2105LT1G |
| U11 | ZXTR2012 | 1 | 12 V linear regulator, SOT-23 | Diodes Inc ZXTR2012 |
| U12 | OPT3004 | 1 | Ambient light sensor, WSON-6 | TI OPT3004 |
| U13 | TMP112 | 1 | ±0.5 °C digital temperature sensor, SOT-563 | TI TMP112 |