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AN-000260

 

 

Chirp Microsystems reserves the right to change 
specifications and information herein without notice.

 

Chirp Microsystems 

2560 Ninth Street, Ste 200, Berkeley, CA 94710 U.S.A 

+1(510) 640

8155 

www.chirpmicro.com

 

Document Number: AN-000260 
Revision: 1.0 
Release Date: 01/27/2021 

 

 

 
 
 
 
 

EV_MOD_CH101-01-02  

Evaluation Module User Guide 

Summary of Contents for EV MOD CH101-01-02

Page 1: ...cifications and information herein without notice Chirp Microsystems 2560 Ninth Street Ste 200 Berkeley CA 94710 U S A 1 510 640 8155 www chirpmicro com Document Number AN 000260 Revision 1 0 Release Date 01 27 2021 EV_MOD_CH101 01 02 Evaluation Module User Guide ...

Page 2: ...ION HISTORY 10 Table of Figures Figure 1 1 View of EV_MOD_CH101 01 02 evaluation module with a particle ingress filter and 45 field of view acoustic housing 3 Figure 2 1 EV_MOD_CH101 Schematic 4 Figure 2 2 EV_MOD_CH101 Module Connection EV_MOD_CH101 acoustic port is facing down 5 Figure 4 1 Dimensions of the EV_MOD_CH101 01 02 assembly 7 Figure 5 1 Recommended EV_MOD_CH101 module mounting 8 Figure...

Page 3: ...n module The module board incorporates a CH101 Ultrasonic Sensor device with an 45 field of view acoustic housing assembly a capacitor and an FPC FFC connector This evaluation module can perform pitch catch and pulse echo range finding at distances from 4 cm to 1 2m Several programming options are available for medium and short range applications Figure 1 1 View of EV_MOD_CH101 01 02 evaluation mo...

Page 4: ...L SPECIFICATIONS Please refer to DS 000331 CH101 Datasheet for information on the device s electrical characteristics Please note that the datasheet covers CH101 part numbers with different suffixes Regardless the electrical specifications in the datasheet still apply 2 3 SCHEMATIC Electrical connection to the EV_MOD_CH101 module is via an 8 pin 0 5 mm pitch flat flex cable FFC connector Part numb...

Page 5: ...101 Module Connection EV_MOD_CH101 acoustic port is facing down TABLE 2 RECOMMENDED FLAT FLEX CABLE AND CONNECTOR FLAT CABLE CONNECTOR TYPE Molex 503480 0800 RECOMMENDED FLAT CABLE Molex 151660073 151660094 2 4 BILL OF MATERIALS TABLE 3 BILL OF MATERIAL QUANTITY REFERENCE PART PCB FOOTPRINT MANUFACTURER MANUFACTURER PART NUMBER 1 PCB PCB NA 1 U1 CH101 01 Custom 8 Pin TDK CH101 01 1 C1 100n 6 3V 20...

Page 6: ... 3 1 CONFIGURATION AND PROGRAMMING Please refer to the following documents for configuration and programming information AN 000154 SmartSonic Hello Chirp Hands On Document AN 000175 SonicLib Programmers Guide 3 2 OPERATION Please refer to the following documents for operating information AN 000155 CHx01 SonicLink Software Quick Start Guide AN 000180 CH101 and CH201 SmartSonic Evaluation Kit Users ...

Page 7: ...02 UNIT Acoustic port hole 0 75 mm Maximum width 8 15 mm Module height 5 05 mm The outer dimensions of the EV_MOD_CH101 01 02 assembly are shown in Figure 4 1 The acoustic port hole has a diameter of 0 75 mm and is in the center of the front face During transducer operation the port cannot be occluded or covered Figure 4 1 Dimensions of the EV_MOD_CH101 01 02 assembly ...

Page 8: ...maximum range at which the sensor can detect the target Large targets such as walls are much easier to detect than smaller targets Thus the associated operating range for smaller targets will be shorter The range to detect people will be affected by a variety of factors such as a person s size clothing orientation to the sensor and the sensor s field of view In general given these factors people c...

Page 9: ... the ToF amplitude as the sensor is rotated 180 The plots are shown in both raw LSB units and normalized dB units where 0 dB corresponds to the peak amplitude recorded on axis Chirp defines the field of view FoV as the full width at half maximum FWHM of the beam pattern in other words the FoV is the range of angles over which the amplitude remains above half the peak amplitude or 6 dB When mounted...

Page 10: ...on the infringement of patents copyrights mask work and or other intellectual property rights Certain intellectual property owned by Chirp Microsystems and described in this document is patent protected No license is granted by implication or otherwise under any patent or patent rights of Chirp Microsystems This publication supersedes and replaces all information previously supplied Trademarks tha...

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