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Open-hardware Meshtastic feature phone — RP2350B dual-core, SX1262 LoRa, GNSS, 36-key keyboard, 2.4″ IPS display. CERN-OHL-S-2.0.
| Reference | Value | Description |
|---|---|---|
| Q1 | SSM3K56ACT | MOSFET N-CH 20V 1.4A CST3 |
| U1 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U2 | RP2350B | MCU RP2350B 150MHz clock Dual Arm Cortex-M33 cores 520KB RAM 8KB on-chip QFN-80 |
| U3 | APS6404L-SQN-ZR | DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR |
| U4 | W25Q128JWPIQ | 128Mbit / 16MiB Serial Flash Memory, Standard/Dual/Quad SPI, 1.8V, WSON-8 |
| U5 | LM27965 | IC LED DRV RGLTR I2C 30MA 24WQFN |
| U6 |
| Audio Amplifiers I2S mono 3.2W Class-D amplifier |
| U7 | SX1262IMLTRT | 150 MHz to 960 MHz Low Power Long Range Transceiver, 22dBm output power, spreading factor from 5 to 12, LoRA, QFN-24 |
|---|
| U8 | 4259-63 | RF switch IC |
|---|
| U9 | IM69D130 | High performance digital XENSIV MEMS microphone, -36 dBFS Sensitivity, LLGA-5 |
|---|
| U10 | TESEO-LIV3FL | Tiny GNSS low power module - RF Receiver BeiDou, Galileo, GLONASS, GNSS, GPS -163dBm Not Included 18-LCC (9.7x10.1) |
|---|
| U11 | BGA123N6 | RF Amplifier RF, 19DB, 1.615GHZ, 2.8V, PG-TSNP-6-2 |
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| U12 | BQ27441DRZR-G1A | IC BATT FUEL GAUGE LI-ION 12SON |
|---|
| U13 | LSM6DSV16XTR | I2C/SPI, iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope, with auxiliary SPI, 1.71V to 3.6V VCC |
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| U14 | BQ25622RYKR | I2C-controlled one- cell 3.5-A buck batt chrgr |
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| U15 | TPS62840DLCR | IC REG BUCK ADJ 750MA 8VSON |
|---|
| U16 | TPS7A2033PDBVR | IC REG LINEAR 3.3V 300MA SOT23-5 |
|---|
| U17 | LIS2MDL | Ultra-low-power, 3-axis digital output magnetometer, LGA-12 |
|---|
| U18 | LPS22HH | MEMS nano pressure sensor, 260-1260 hPa, absolute digital output baromeeter, 24 bit, SPI, I2C, I3C, 0.65 Pa noise rms, ST_HLGA-10L |
|---|
| ANT1 | M620720 | Antennas Ceramic Chip ANTENNA ISM Freq: 868 915MHz |
|---|
| ANT2 | M830120 | Antennas Ceramic Chip ANTENNA GPS Freq1560-1606MHz |
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| C1,C2,C8,C29-C31,C84 | 4.7uF | CAP CER 4.7UF 10V X5R 0402,CAP CER 4.7UF 16V X7R 0805 |
|---|
| C3-C7,C9-C18,C21,C22,C24,C32-C34,C36,C40,C41,C58,C72,C73,C76,C81,C88,C90-C92 | 100nF | CAP CER 0.1UF 10V X7R 0402,CAP CER 0.1UF 25V X7R 0402 |
|---|
| C19,C20 | 15pF | CAP CER 15PF 50V C0G/NPO 0402 |
|---|
| C23,C25-C28,C35,C37,C69,C75,C77-C79,C83,C89 | 1uF | CAP CER 1UF 16V X7R 0603,CAP CER 1UF 25V X7R 1206,CAP CER 1UF 6.3V X5R 0402 |
|---|
| C38,C68 | 470nF | CAP CER 0.47UF 6.3V X5R 0402 |
|---|
| C39 | 10pF | CAP CER 10PF 50V C0G/NPO 0402 |
|---|
| C42,C95 | 1.8pF | CAP CER 1.8PF 50V C0G/NP0 0402 |
|---|
| C43,C82 | 47nF | CAP CER 0.047UF 16V X7R 0402,CAP CER 0.047UF 25V X7R 0402 |
|---|
| C44,C59 | 47pF | CAP CER 47PF 50V C0G/NPO 0402 |
|---|
| C45,C48,C105 | 8.2pF | CAP CER 8.2PF 50V C0G/NPO 0402 |
|---|
| C46,C54,C55,C100 | 3.3pF | CAP CER 3.3PF 50V C0G/NP0 0402,CAP CER 3.3PF 50V C0G/NPO 0402 |
|---|
| C47,C49 | 2.4pF | CAP CER 2.4PF 50V C0G/NPO 0402 |
|---|
| C50,C53 | 39pF | CAP CER 39PF 50V C0G/NP0 0402,CAP CER 39PF 50V C0G/NPO 0402 |
|---|
| C51,C57,C99 | 3pF | CAP CER 3PF 50V C0G/NP0 0402,CAP CER 3PF 50V C0G/NPO 0402 |
|---|
| C52,C62 | 1nF | CAP CER 1000PF 50V X7R 0402 |
|---|
| C56 | 4pF | CAP CER 4PF 50V C0G/NPO 0402 |
|---|
| C60 | 10nF | CAP CER 10000PF 25V X7R 0402 |
|---|
| C61 | 120pF | CAP CER 120PF 50V C0G/NP0 0402 |
|---|
| C63,C64,C66,C67 | 0.5pF | CAP CER 0.5PF 50V C0G/NPO 0402 |
|---|
| C65,C96 | 2pF | CAP CER 2PF 50V C0G/NP0 0402 |
|---|
| C70,C71,C74,C85-C87 | 10uF | CAP CER 10UF 10V X5R 0603,CAP CER 10UF 25V X7R 1206 |
|---|
| C80 | 220nF | CAP CER 0.22UF 6.3V X5R 0402 |
|---|
| C93 | 1pF | CAP CER 1PF 50V C0G/NPO 0402 |
|---|
| C94 | 1.5pF | CAP CER 1.5PF 50V C0G/NPO 0402 |
|---|
| C97 | 2.2pF | CAP CER 2.2PF 50V C0G/NPO 0402 |
|---|
| C98 | 2.7pF | CAP CER 2.7PF 50V C0G/NPO 0402 |
|---|
| C101 | 4.3pF | CAP CER 4.3PF 50V C0G/NP0 0402 |
|---|
| C102 | 5.6pF | CAP CER 5.6PF 50V C0G/NP0 0402 |
|---|
| C103 | 4.7pF | CAP CER 4.7PF 50V C0G/NP0 0402 |
|---|
| C104 | 6.8pF | CAP CER 6.8PF 50V C0G/NPO 0402 |
|---|
| D37,D44 | LTST-C235KGKRKT | LED dual red/green, 4-pin, down-facing |
|---|
| D38-D43 | LTW-482DS5 | LED WHITE DIFFUSED 2SMD R/A |
|---|
| FL1 | B4327 | Signal Conditioning - 40 C to + 85 C 1.5824 GHz 1 dB 2 MHz, 4.092 MHz, 8.34 MHz 50 Ohms GNSS |
|---|
| H1,H7 | 36103166S | WE-SHC SHIELDING CABINET FRAME 16x16 |
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| H3,H5 | 36003160S | WE-SHC SHIELDING CABINET COVER |
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| J1 | USB4105-GF-A | USB 2.0-only 16P Type-C Receptacle connector |
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| J2 | SM03B-SRSS-TB | CONN HEADER SMD R/A 3POS 1MM |
|---|
| J3 | 54132-4062 | Connector 0.5mm, FFC/FPC, SMT,r/a,40w,Au Molex FFC/FPC SMT Series 0.5mm Pitch 40 Way 1 Row Right Angle SMT Female FPC Connector |
|---|
| J5,J6 | U.FL | CONN U.FL RCPT STR 50 OHM SMD |
|---|
| J8 | 009155003301006 | Battery Contacts 3 Way .4um Gold RT Angle 3mm |
|---|
| L1 | 90 | CMC 100MA 2LN 90 OHM SMD |
|---|
| L2 | 3.3u | Power Inductors - SMD IND 3.3uH |
|---|
| L3 | 80 | FERRITE BEAD 80 OHM 0402 1LN |
|---|
| L4,L7 | 47n | FIXED IND 47NH 440MA 648 MOHM |
|---|
| L5 | 15u | FIXED IND 15UH 250MA 1.02 OHM |
|---|
| L6,L24 | 15n | FIXED IND 15NH 1.15A 114 MOHM |
|---|
| L8,L14 | 2.2n | FIXED IND 2.2NH 2.53A 22 MOHM |
|---|
| L9,L10,L21 | 9.1n | FIXED IND 9.1NH 1.4A 80 MOHM SMD |
|---|
| L11,L20 | 8.2n | FIXED IND 8.2NH 1.5A 69 MOHM SMD |
|---|
| L12 | 2.2u | FIXED IND 2.2UH 1.8A 116 MOHM |
|---|
| L13 | 1.5u | FIXED IND 1.5UH 4A 29 MOHM SMD |
|---|
| L15 | 3.3n | FIXED IND 3.3NH 2A 30 MOHM SMD |
|---|
| L16 | 3.9n | FIXED IND 3.9NH 1.95A 30 MOHM |
|---|
| L17 | 4.7n | FIXED IND 4.7NH 1.2A 71 MOHM SMD |
|---|
| L18 | 5.6n | FIXED IND 5.6NH 1.77A 40 MOHM |
|---|
| L19 | 6.8n | FIXED IND 6.8NH 1.45A 68 MOHM |
|---|
| L22 | 10n | FIXED IND 10NH 1.4A 81 MOHM SMD |
|---|
| L23 | 12n | FIXED IND 12NH 1.24A 93 MOHM SMD |
|---|
| L25 | 18n | FIXED IND 18NH 1.05A 130 MOHM |
|---|
| LCD2 | NHD-2.4-240320AF-CSXP | TFT Displays & Accessories 2.4" IPS TFT HIGH BRIGHTNESS |
|---|
| LS1 | CMS-131304-SMT-TR | Speakers & Transducers 13 mm square, 4 mm deep, PI, SmCo, .7 W, 8 ohm, 900Hz, surface mount |
|---|
| Mtr2 | HD-EMB1104-SM-2 | HD MOTOR 2.7VDC 33OHM 14000RPM |
|---|
| R1,R2 | 5.1k | RES 5.1K OHM 1% 1/8W 0402 |
|---|
| R3 | 33 | RES 33 OHM 1% 1/8W 0402 |
|---|
| R4,R5,R64,R66-R89 | 22 | RES 22 OHM 1% 1/8W 0402 |
|---|
| R6,R26,R63,R90-R101 | 1k | RES 1K OHM 1% 1/8W 0402 |
|---|
| R7,R18,R33,R44,R51,R53,R56,R102 | 10k | RES 10 KOHM 1% 1/8W 0402,THERMISTOR NTC 10KOHM 3380K 0402 |
|---|
| R8-R13,R16,R17,R19,R23,R24,R27,R28,R31,R32,R34-R41,R54,R55,R57-R61 | 0 | RESISTOR 0402 JUMPER ZERO OHM |
|---|
| R14,R15 | 8.25k | RES SMD 8.25K OHM 1% 1/16W 0402 |
|---|
| R20,R21,R30 | 100k | RES SMD 100K OHM 1% 1/16W 0402 |
|---|
| R22 | 220 | RES 220 OHM 1% 1/8W 0402 |
|---|
| R25,R29 | 100 | RES 100 OHM 1% 1/8W 0402 |
|---|
| R42 | 10m | RES 0.01 OHM 1% 1/2W 0805 |
|---|
| R43 | 1.8M | RES SMD 1.8M OHM 1% 1/16W 0402 |
|---|
| R45,R62 | 4.7k | RES 4.7K OHM 1% 1/8W 0402 |
|---|
| R46 | 470 | RES 470 OHM 1% 1/8W 0402 |
|---|
| R47 | 5.23k | RES SMD 5.23K OHM 1% 1/16W 0402 |
|---|
| R48 | 30.1k | RES SMD 30.1K OHM 1% 1/16W 0402 |
|---|
| R49,R50,R52,R103 | 2.2k | RES SMD 2.2K OHM 1% 1/16W 0402 |
|---|
| R65 | 10 | RES 10 OHM 1% 1/8W 0402 |
|---|
| SW1-SW38 | SWT0105-003516JSA | Tactile Switch, SPST-NO, 3.7 x 3.7mm, Top act 0.35mm high, 160g, J Lead |
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| X1 | 12MHz | CRYSTAL 12MHZ 10PF SMD |
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| X2 | 32MHz | TCXO 32.000 MHz 1.7 - 3.6 +/-0.5 ppm -30 - +85C 2.0 x 1.6 mm 4 Pad S |
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