
POLOLU-4697 · Pololu

This gearmotor is a powerful 24V brushed DC motor with a 150:1 metal gearbox and an integrated quadrature encoder with a resolution of 64 counts per revolution (CPR) of the motor shaft and 9600 CPR of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder. Key specifications: voltage no-load performance stall extrapolation 24 V 68 RPM, 100 mA 56 kg⋅cm (780… (Pololu item #4697)
| Part number | POLOLU-4697 |
|---|---|
| Manufacturer | Pololu |
| Category | Motors & Actuators › DC & Gear Motors |
| Pins | 6 |
| Voltage (max) | 24 V |
| Current | 100 mA |
150:1 Metal Gearmotor 37Dx73L mm 24V with 64 CPR Encoder (Helical Pinion) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | M1 | passive | Motor power (red), one motor terminal |
| 2 | M2 | passive | Motor power (black), the other motor terminal |
| 3 | GND | ground | Encoder GND (green) |
| 4 | VCC | power | Encoder Vcc (blue) |
| 5 | A | output | Encoder A output (yellow) |
| 6 | B | output | Encoder B output (white) |
Schematic symbol and footprint
Schematic symbol
Footprint: 1x6 pin header, 2.54 mm (Pololu 25D/37D encoder cable) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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