
Pololu's motor driver and power distribution board for the Romi chassis, from their own CAD: a 93.22 × 63.63 mm board with 10 and 10 and 8 and 8 and 6 and 6 and 6 and 6 pads on the 0.1 inch pitch.
One of the DC Motor Driver family.
- Made by
Pololu
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-4.0
- Keywords
- pololu, romi, chassis, motor, driver, power, distribution, board, battery, dc motor driver
| Overall size (X × Y × Z) | 93.2 × 63.7 × 9.4 mm |
|---|---|
| PCB size | 93.2 × 62.7 mm |
| PCB thickness | 1.6 mm |
| Mounting holes | 39 × Ø2.3 mm |
| Through-hole pads | 115 |
| Components | 58 |
| Function | motor driver |
| Chip | DRV8838, MP4423H |
| Interface | DIR/PWM |
| Logic level | 5 V, 3.3 V by jumper |
| Supply voltage | 2.5-10.8 V |
| Current | 1.8 A continuous per channel |
| Channels | 2 |
| Weight | 20 g |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 22 | SMD Resistor0603 | B11, B20, B21, B22, B24, B26, B27, B31, B32, B33, B35, B38, B39, B40, B41, B42, B50, B52, B55, B56, B57, B58 | RC_L series datasheet (Yageo) | |
| × 12 | SMD Capacitor0603 | B7, B10, B14, B15, B23, B25, B30, B45, B47, B48, B51, B53 | X7R SMD MLCC series datasheet (KEMET) | |
| × 5 | SMD Capacitor0805 | B8, B9, B13, B43, B44 | X7R SMD MLCC series datasheet (KEMET) | |
| × 4 | QFN / DFNDFN-8 2x2 P0.5 | B28, B34, B49, B54 | ||
| × 2 | SMD Capacitor1206 | B4, B6 | X7R SMD MLCC series datasheet (KEMET) | |
| × 2 | SMD DiodeSOD-323 | B16, B29 | ||
| × 2 | SMD Electrolytic Capacitor6.3x7.7 | B3, B37 | UCD series datasheet (Nichicon) | |
| × 2 | SOTSOT-23-6 | B5, B36 | ||
| × 2 | SOTSOT-323 | B12, B17 | ||
| × 1 | QFN / DFNPowerDI3333-8 | B19 | ||
| × 1 | SMD LED0603 · blue | B46 | ||
| × 1 | SMD Power InductorSRN6045 | B18 | SRN6045 datasheet (Bourns) | |
| × 1 | SMD Slide SwitchPCM12 | B1 | ||
| × 1 | SMD Tactile SwitchKMR2 | B2 |
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