Ultrasonic

Overview

Chirp Microsystems’ ultrasonic Time-of-Flight (ToF) sensors integrate a MEMS PMUT (Piezoelectric Micromachined Ultrasonic Transducer) with an ultra-low power SoC (System on Chip) in a miniature reflowable package. Ultra-low power, capable of ranging to targets of any composition up to 5m in any lighting condition make them ideal for a variety of applications including: obstacle avoidance, presence detection, robotics, security and surveillance, AR/VR, drones, liquid level sensing, smart home/building and general IoT.

CH201

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 mm x 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.

The CH201 provides accurate range measurements to targets at distances up to 5m. 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.

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CH101

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 mm x 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.

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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

Presence Detection

Smart Locks

Smart Home & IoT

Drones

Ultra-low power and low latency Ultrasonic ToF sensors detect presence and minor motion under any lighting condition

Always-on battery powered smart locks utilize ultra-low power Ultrasonic ToF sensors to enable feature rich smart locks

Compact ultrasonic ToF sensors enable presence detection in any lighting condition

Compact and light weight ultrasonic ToF sensors enable range finding for obstacle avoidance and landing under any environmental condition

Product Details

ProductOperationPackage Size
(mm)
Range
(m)
Current Consumption
(1sample/s, 1m Range)
InterfaceCommentsPurchase

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°

MOD_CH101-03-02
Pulse-Echo / Pitch-Catch8.0 × 8.0 × 5.08
8-pin ZIF FFC/FPC connector
Up to 1.215uAI²CModule with
Field-of-View (FoV): 45°
Particle Ingress Filter (IP5)

CH201
Pulse-Echo3.5 × 3.5 × 1.26,
8-pin LGA
Up to 513.5uAI²CField-of-View (FoV):
Configurable Up to 180°

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