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Nicolai-Electronics
Hardware design of the Tanmatsu mainboard
| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT2222A | NPN transistor, base/emitter/collector |
| Q2 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| Q3-Q6 | AP2302B | |
| U1,U2 | ESD | |
| U3,U6 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U4 | TPD4E05U06DQAR | |
| U5 | CH334R |
| USB HUB controller, UART, QSOP-16 |
| U7 | ESP32-P4 |
|---|
| U8 | TXB0104RGY | 4-Bit Bidirectional Voltage-Level Translator, Auto Direction Sensing and ±15-kV ESD Protection, 1.2 - 3.6V APort, 1.65 - 5.5V BPort, Texas_PVGFN-14 |
|---|
| U9 | W25Q128JVS | 32Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
|---|
| U10 | TLV62569DBV | High Efficiency Synchronous Buck Converter, Adjustable Output 0.6V-5.5V, 2A, SOT-23-5 |
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| U11 | 74LVC2G02HD4-7 | Dual NOR gate |
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| U12 | CH32V203C8T6 |
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| U14 | SY6280AAC |
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| U15 | BQ25895RTW |
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| U16,U18 | AP3032KTR |
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| U17 | TPS63020DSJR |
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| U19 | LR8341A-M25 |
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| U20 | ESP32-C6-WROOM-1 |
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| U21 | IR968-8P(X1-X4)XBY |
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| U22 | 74LVC1GU04 | 74LVC1G04, Single NOT Gate, Low-Voltage CMOS |
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| U23 | E22-900M22S |
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| U24 | ES8156 |
|---|
| U25 | FM8002A |
|---|
| U26 | 74LVC1G17GW,125 |
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| U27-U32 | SK6805 | SK6805-EC2020 |
|---|
| U33 | BMI270 |
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| C1,C2,C17,C18,C22,C28,C41,C57,C65,C70-C72,C74,C80,C81 | 1u |
|---|
| C3,C32,C42,C43,C45,C46,C48-C55,C60,C62,C64 | 10u |
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| C4-C12,C14,C15,C19-C21,C23-C27,C29,C30,C33,C36-C40,C56,C66,C68,C69,C73,C82,C87,C88 | 100n |
|---|
| C13,C16,C34,C35,C75,C76 | 22p |
|---|
| C44 | 47n |
|---|
| C47 | 4u7 |
|---|
| C58,C59,C61,C63,C67,C78,C79 | 22u |
|---|
| C77 | 0.39u |
|---|
| C83-C86 | 10n |
|---|
| CN1 | DF37NB-24DS-0.4V(51) |
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| D1 | ESD prot. |
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| D2 | 2.0v | 1.91V~2.09V 500mW Zener Diode |
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| D3 | 2.7v | 2.65V~2.75V 550mW 2.7V Zener Diode |
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| D4-D7,D14-D17 | LTW-010DCG-SR-G |
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| D8-D13,D18-D83 | 1N4148WS |
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| D84 | LED |
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| D85 | SMD24PL-TP |
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| D86,D87 | 1N5819WS |
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| J1 | USB device | TYPE-C-31-M-12 |
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| J2 | Expansion I3C |
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| J4 | External Add-On (SAO / PMOD) |
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| J5 | USB host | USB Type A connector |
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| J6 | CAMERA | RPI camera |
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| J7 | Internal Add-On | Generic connector, double row, 02x18, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J8 | Micro_SD_Card | Micro SD Card Socket with one card detection pin |
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| J9 | Speaker |
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| J10 | Headphone | PJ-327ST-SMT |
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| J11 | Battery |
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| L1 | 2.2u | ZETC201610S2R2MBT-LF |
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| L2 | YHNR4020-2R2M |
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| L3,L5 | 6.8uH |
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| L4 | CMLW6028S1R5MST |
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| R1,R2 | 5k1 |
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| R3,R45 | 1k |
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| R4,R10,R11 | 2k2 |
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| R5-R8,R31,R32,R36,R46,R78,R86 | 4k7 |
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| R9,R12,R13,R18-R23,R65-R68,R70,R71,R84 | 51k |
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| R14,R15,R29,R30,R33,R37-R44,R50,R51,R74,R79-R81 | 10k |
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| R16,R24,R34,R35,R47,R52,R56,R58,R59,R61,R69,R77,R82,R83,R85 | 100k |
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| R17,R54,R62,R63 | 1M |
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| R25,R26 | 4k02 | 1% |
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| R27,R28 | 499k |
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| R48 | 261 | 1% |
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| R49 | 6.8k |
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| R53 | 10 | 1% |
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| R55 | 180k |
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| R57 | 4R7 | 1% |
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| R60 | 1.5k |
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| R64 | 52.3 |
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| R72,R73 | 27 |
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| R75,R76 | 33 |
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| SW1 | Boot | Boot button |
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| SW2 | User | User button |
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| SW3 | Power | Power button |
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| Y1 | 12MHz | Four pin crystal, GND on pins 2 and 4, small symbol |
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| Y2 | 40MHz | SCTF SX3B40.000F1210F30 |
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| Y3 | 32.768KHz | Q13FC1350004900 |
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