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940 nm time-of-flight ranging sensor

VL53L0X Internal Circuitry

Explore the internal circuitry and functional stages of VL53L0X.

Inside VL53L0X

Optical timing and signal processing inside the module.

VL53L0X compact functional cutaway with VCSEL, SPAD receiver, timing engine, processing and I2C interface.
Original functional illustration, not a transistor-level schematic.

Explore the circuit

Select a stage to see its role and connections

Emit

A 940 nm VCSEL sends infrared pulses.

Receive

The SPAD array detects returning photons.

Process

Timing and processing yield distance and validity status.

Component view