VL53L1CXV0FY

Part: STMicroelectronics VL53L1X

Type: Time-of-Flight (ToF) laser-ranging sensor

Description: The VL53L1X is a state-of-the-art, Time-of-Flight (ToF) laser-ranging sensor with accurate ranging up to 4 m and fast ranging frequency up to 50 Hz.

Operating Conditions:

• Supply voltage: 2.6 to 3.5 V
• Operating temperature: -20 to 85°C
• Max ranging frequency: 50 Hz
• Max distance measurement: 400 cm

Absolute Maximum Ratings:

Key Specs:

• Max distance measurement: Up to 400 cm
• Max ranging frequency: Up to 50 Hz
• Operating voltage: 2.6 to 3.5 V
• Operating temperature: -20 to 85°C
• I²C interface speed: Up to 400 kHz (fast mode)
• Infrared emitter wavelength: 940 nm
• Receiver FoV (diagonal): Programmable from 15 to 27 degrees
• Package size: 4.4 x 2.5 x 1.56 mm

Features:

• Fully integrated miniature module (4.4 x 2.5 x 1.56 mm)
• 940 nm invisible laser emitter (Class 1)
• Up to 400 cm distance measurement
• Up to 50 Hz ranging frequency
• Programmable region of interest (ROI) size and position
• I²C interface (up to 400 kHz)

Applications:

• User detection (personal computers/laptops, IoT)
• Service robots and vacuum cleaners (long distance and fast obstacle detection)
• Drones (landing assistance, hovering, ceiling detection)

Package:

• Optical LGA12 (4.4 x 2.5 x 1.56 mm)

Warning:

Stresses above those listed in the following table may cause permanent damage to the device. These are stress ratings only. Functional operation of the device is not implied at these or any other conditions above those indicated in the operational sections of the specification. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

The storage temperature (T STG ) is the ambient temperature at which the device can be stored with no voltage applied.

Table 10. Absolute maximum rating conditions

Table 13. Recommended operating conditions

There are no power supply sequencing requirements. The I/Os may be high, low, or floating when AVDD is applied. The I/Os are internally failsafe with no diode connecting them to AVDD.

1. SDA, SCL, XSHUT, and GPIO1 high levels have to be equal to AVDD in 2V8 mode.

2. The default driver mode is 1V8. 2V8 mode is programmable using the device settings loaded by the driver. For more details, refer to the VL53L1X API user manual (UM2356).

The following figure shows the application schematic of the VL53L1X.

Figure 3. VL53L1X schematic

Note:

Place the capacitors on the external supply AVDD as close as possible to the AVDDVCSEL and AVSSVCSEL module pins.

Note:

The external pull-up resistor values can be found in the I²C-bus specification. Pull-ups are typically fitted only once per bus, near the host. See Table 4. Suggested pull-up and series resistors for I 2 C fast mode for suggested values.

Note:

The XSHUT pin must always be driven to avoid leakage current. A pull-up is needed if the host state is not known. XSHUT is needed to use hardware standby mode (there is no I²C communication).

Note:

The recommended value of the XSHUT and GPIO1 pull-ups is 10 kOhms.

Note:

Leave the GPIO1 unconnected if not used.

Table 4 shows the recommended values for pull-up resistors for an AVDD of 1.8 V to 2.8 V in I 2 C fast mode (up to 400 kHz).

Table 4. Suggested pull-up and series resistors for I 2 C fast mode

1. For each bus line, C L is measured in the application PCB by the customer.

Table 4. Suggested pull-up and series resistors for I 2 C fast mode

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.