Short-range DToF
LRF22VB
905 nm Class 1 short-range DToF distance sensor
Ranging envelope
0.05–20 m (90% refl.)
Key parameters
- Ranging range
- 0.05–20 m (90% refl.)
- Accuracy
- ±5 cm (<5 m); 1% (≥5 m)
- Frequency
- 200 Hz (sel. 200/100/50/20/10/1 Hz)
- Interface
- UART / I²C
- Envelope
- 21 × 15 × 7.43 mm
- Mass
- 1.5 g
Published price
$8 USD / unit
Entry-band unit price at the smallest published quantity. Shipping and Incoterms are confirmed in the quotation.




A 1.5 g, 21 × 15 × 7.43 mm DToF sensor built for drone altitude hold and robot/AGV obstacle avoidance — 0.05–20 m at up to 200 Hz with dual UART/I²C output and 60 kLux ambient immunity.
Designed into
- Drone altitude hold
- Robot & AGV obstacle avoidance
- Camera focusing
Emitter
905 nm
Verified specifications
Every figure below is published together with the condition it was measured under. Where the source states no condition, the column is left empty rather than filled in.
| Parameter | Value | Condition |
|---|---|---|
| Laser wavelength | 905 nm | Source technical table |
| Ranging range | 0.05–20 m (90% refl.) · 0.05–10 m | 10% refl. |
| Measurement frequency | 200 Hz, selectable 200/100/50/20/10/1 Hz | Source technical table |
| Ranging accuracy | ±5 cm (<5 m) · 1% (≥5 m) | Source technical table |
| Repeatability | ±30 mm | Source technical table |
| Ambient light immunity | 8 m | 60 kLux |
| Laser safety class | Class 1 | Source technical table |
| Field of view | 3° | Source technical table |
| Supply voltage | 3.0–3.6 V DC | Source technical table |
| Peak current | 70 mA | 3.3 V |
| Average current | 40 mA | 3.3 V |
| Average power consumption | < 0.2 W | Source technical table |
| Interface | UART / I²C | Source technical table |
| Dimensions | 21 × 15 × 7.43 mm | Source technical table |
| Weight | 1.5 g | Source technical table |
| Operating temperature | -20 to +60 ℃ | Source technical table |
| Wire specification | 6-pin 0.8 mm terminal (HC-0.8-6PWT), 20 cm tinned stranded wires | Source technical table |
| Customization | Available in appearance / structure / output protocol | Source technical table |
Pin assignment
| Pin | Signal | Description |
|---|---|---|
| 1 | NC | Not connected |
| 2 | 3.3V | External power + |
| 3 | TX (SCL) | Host RX (SCL) |
| 4 | RX (SDA) | Host TX (SDA) |
| 5 | NC | Not connected |
| 6 | GND | External power − |
Engineering references
Where LRF22VB is worked through
These are the pages that use this model as a worked example, not a general reading list.
Adjacent models