Overview

Chirp’s MEMS based ultrasonic technology leverages a Time-of-Flight (ToF) range sensor with a power-efficient digital signal processor (DSP) ASIC in a 3.5 × 3.5 mm package. The sensor handles a variety of ultrasonic signal-processing functions and algorithms, enabling customers flexible industrial design options for a broad range of use-case scenarios, including range-finding, presence and proximity sensing, object-detection and avoidance, and position-tracking.

Complementing Chirp’s long-range CH201 ultrasonic ToF sensor product, the CH101 provides accurate range measurements to targets at distances up to 1.2m. Using ultrasonic measurements, the sensor works in any lighting conditions, including full sunlight to complete darkness, and provides millimeter-accurate range measurements independent of the target’s color and optical transparency. The sensor’s wide Field-of-View (FoV) can be customized and enables simultaneous range measurements to multiple objects in the FoV.

    Product Details

    Product
     
    Operation
     
    Package Size
    (mm)
    Range
    (m)
    Current Consumption
    (1sample/s, 1m Range)
    Interface
     
    Comments
     
    Purchase
     

    CH101-00ABR
    Pulse-Echo3.5 × 3.5 × 1.26,
    8-pin LGA
    Up to 1.215uAI²CField-of-View (FoV):
    Configurable Up to 180°

    CH101-02ABR
    Pitch-Catch3.5 × 3.5 × 1.26,
    8-pin LGA
    Up to 1.215uAI²CField-of-View (FoV):
    Configurable Up to 180°

    CH101 Applications

    Social Distancing

    Robotics

    Smart Home

    AR/VR Gaming

    Ultra-low power and High Accuracy Ultrasonic ToF sensors accurately measure proximity breaches and provide warnings before crossing social distancing guidelines

    Ultrasonic ToF sensors enable Cliff detection, material composition identification, and obstacle avoidance

    Always-on ultra-low power Ultrasonic ToF sensors enable the battery powered smart home

    Compact, low power ultrasonic ToF sensors enable user experiences in gaming under any lighting conditions

    Additional Social Distancing Resources:

    Additional Robotics Resources:

     

    Evaluation Tools

    CH101 Development Kit

    CH101 Omnidirectional Module

    CH101 Module with 45° FoV & Particle Ingress Filter

    DK-CH101

    EV_MOD_CH101-03-01

    EV_MOD_CH101-01-02

    Comprehensive development platform for CH101, with the ability to connect up to four additional CH101 modules.

    Ultrasonic ToF omnidirectional sensor module for rapid prototyping and integration into product enclosures.

    Ultrasonic ToF 45° FoV sensor module with PIF for rapid prototyping and mass production.

    Acoustic Housing Options

    AH-10133-045045

    AH-10100-180180

    AH-10126-065030

    AH-10113-160035 & 719

    Symmetrical 45° FoV horn to use with the CH101.

    Symmetrical 180° FoV horn to use with the CH101.

    Asymmetrical 65° × 30° FoV horn to use with the CH101.

    Asymmetrical 160° × 35° FoV horn with a spacer and PIF to use with the CH101.

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      Features

      • Ultra-Low Power
      • Works in Any Lighting Condition
      • Detects objects of any color and optical transparency
      • Customizable field of view (FoV) up to 180°
      • Integrated 3.5mm x 3.5mm x 1.26mm Package
      • Low-power SoC firmware for ultrasonic processing a wide-range of usage cases

      TPI car

      row of bicycles

      TRACK map 2

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