Twog v1
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!! WARNING !!
THIS IS A PRELIMINARY DESIGN, IT HAS NOT BEEN TESTED YET.
DO NOT USE FOR MASS PRODUCTION AS LONG AS THIS MESSAGE REMAIN.
Hardware Revision History
| Version # | Release Date | Release Notes |
|---|---|---|
| v1.00 | 04/2008 | Initial release of Twog v1 |
Features
- Single LPC2148 MCU
- 8 x Analog input channels 0V - 3.3V (2 channels with optional on-board resistor bridge)
- 1 x 3.3V TTL UART (5V tolerant)
- 8 x PWM outputs
- 1 x R/C receiver PPM frame input
- 1 x SPI bus
- 1 x I2C bus
- 1 x USB (client)
- 5V/2.5A switching power supply & 3.3V/1A linear regulator
- 3 x status LEDs with attached test point
- ?? grams
- 40.2 x 30.5mm (1.6" x 1.2")
- 2 layers PCB design, 0603 components
Architecture
under construction
Pinout
under construction
Schematic
PCB
PCB top copper
PCB bottom copper
Gerber & Drill Files
Download Twog v1.00 gerber & drill files (zip)
RS274X, units = Inches, format = 2:5
- Twog_v1-00.GTO (Top Component Print Layer)
- Twog_v1-00.GTS (Top Solder Mask)
- Twog_v1-00.GTL (Top Copper Layer)
- Twog_v1-00.GBL (Bottom Copper Layer)
- Twog_v1-00.GBS (Bottom Solder Mask)
- Twog_v1-00.DRI (NC XY coordinates & Drill tools sizes)
Possible PCB Manufacturers
Assembly
Components Layout
Top components Layout
Bottom components Layout
Top components details
Bottom components details
Bill Of Material
Download Twog v1.00 Bill Of Material (zipped .xls file)
| Qty | Manufacturer part # | Schematic part name / value | Designator | Description | Manufacturer | Package | Optional | Digikey.com | Other distributor |
|---|---|---|---|---|---|---|---|---|---|
| Resistors | |||||||||
| 2 | ERJ-3EKF33R0V | 33 | R21, R22 | 1/16W, 5% | Panasonic | 0603 | P33HCT-ND | ||
| 1 | ERJ-3EKF1000V | 100 | R24 | 1/16W, 5% | Panasonic | 0603 | P100HCT-ND | ||
| 1 | ERJ-3EKF3300V | 330 | R4 | 1/16W, 5% | Panasonic | 0603 | P330HCT-ND | ||
| 3 | ERJ-3EKF1001V | 1K | R16, R17, R23 | 1/16W, 5% | Panasonic | 0603 | P1.00KHCT-ND | ||
| 3 | ERJ-3EKF1501V | 1.5K | R2, R19, R20 | 1/16W, 5% | Panasoni | 0603 | P1.50KHCT-ND | ||
| 2 | ERJ-3EKF1801V | 1.8k (see note1) | R13,R18 | 1/16W, 5% | Panasonic | 0603 | P1.8KHCT-ND | ||
| 3 | ERJ-3EKF3301V | 3.3K | R3, R14, R15 | 1/16W, 5% | Panasonic | 0603 | P3.3KHCT-ND | ||
| 7 | ERJ-3EKF1002V | 10K | R1, R6 to R11 | 1/16W, 5% | Panasonic | 0603 | P10.0KHCT-ND | ||
| 1 | ERJ-3EKF1502V | 15K (see note2) | R12 | 1/16W, 5% | Panasonic | 0603 | P15.0KHCT-ND | ||
| Capacitors | |||||||||
| 4 | C0603C180J5GAC | 18pF | C26 to C29 | 50V, 5% | Kemet | 0603 | 399-1052-1-ND | ||
| 18 | C0603C104K5RAC | 100nF | C2,C3,C5 to C20 | 50V, 10% | Kemet | 0603 | 399-5089-1-ND | ||
| 2 | T520A336M006ATE070 | 33uF/6V | C24, C25 | SMD tantalum capacitor | Kemet | A case (EIA 3216-18) | 399-4719-1-ND | ||
| 2 | TAJD107K020R | 100uF/20V | C1, C21 | SMD tantalum capacitor | AVX Corp. | D case (EIA 7343-31) | 478-1724-1-ND | ||
| Semiconductors | |||||||||
| 1 | LM3940IMP-3.3 | LM3940IMP-3.3 | IC3 | 1A low dropout regulator for 5V to 3.3V conversion | National Semic. | SOT223 | LM3940IMP-3.3CT-ND | ||
| 1 | TPS2051BDBV | TPS2051B | IC4 | Current Limited Power Distribution Switch | Texas Instr. | SOT23-5 | yes | 296-21265-1-ND | |
| 1 | LPC2148FBD64 | LPC2148FBD64 | IC5 | Single-chip ARM7 32-bit microcontroller | NXP | LQFP64 | 568-1765-ND | ||
| 1 | CD4017BPW | 4017 | IC6 | Decade Counter/Divider with 10 Decoded Outputs | Texas Instr. | TSSOP16 | 296-14252-1-ND | ||
| 1 | APT1608SURCK | KP-1608SURC | LED1 | SMD Chip Red LED Lamp | Kingbright | 0603 | yes | 754-1123-1-ND | |
| 1 | APT1608MGC | KP-1608MGC | LED2 | SMD Chip Green LED Lamp | Kingbright | 0603 | 754-1118-1-ND | ||
| 1 | APT1608SYCK | KP-1608SYC | LED3 | SMD Chip Yellow LED Lamp | Kingbright | 0603 | yes | 754-1124-1-ND | |
| 1 | BC807-40 | BC807 | T1 | PNP general purpose transistor | NXP | SOT23 | 568-1629-1-ND | ||
| Modules | |||||||||
| 1 | PTH08080WAH | PTH_08080W | IC1 | 2.25A Wide-input adjustable switching regulator | Texas Instr. | specific | 296-20432-ND | ||
| Connectors | |||||||||
| 7 | 53047-0310 | SRV0, SRV4, SRV2, SRV6, IRV, SRV3, SRV7 | J12 to J18 | Picoblade 3 pins 1.25mm straight header | Molex | specific | WM1732-ND | ||
| 1 | 53047-0410 | IRH | J11 | Picoblade 4 pins 1.25mm straight header | Molex | specific | WM1733-ND | ||
| 4 | 53047-0510 | PPM,I2C,ADC2,ADC1 | J4, J6, J8, J10 | Picoblade 5 pins 1.25mm straight header | Molex | specific | J6,J8,J10 | WM1734-ND | |
| 3 | 53047-0710 | SPI,CAM,DOWNLOAD | J3, J5, J7 | Picoblade 7 pins 1.25mm straight header | Molex | specific | J3,J5 | WM1736-ND | |
| 2 | 53047-0810 | SERIAL,USB | J2, J9 | Picoblade 8 pins 1.25mm straight header | Molex | specific | WM1737-ND | ||
| Other | |||||||||
| 1 | 405C35B12M00000 | CTS405 12MHz | Q1 | SMD 12MHz Quartz Crystal | CTS | specific | CTX639CT-ND | ||
Downloads
Source files
Gerber & Drill files
Assembly files