TMF8801 AMSCO | Alldatasheet

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Technical content

Product Brief • PUBLIC PB000130 • 1-00 • 2019-July-22 2 │ 1 TMF8801 Time-of-Flight Sensor

1 General Description

The TMF8801 is a time-of-flight (TOF) sensor in a single modular package with associated VCSEL. The TOF device is based on SPAD, TDC and histogram technology. The device achieves 2500 mm detection range.

2 Key Features

Figure 1: Added Value of Using TMF8801 Benefits Features Small footprint fits in the mobile phone bezel Modular package - 2.2 mm x 3.6 mm x 1.0 mm Detecting central closest objects 21º FOI Within 5 % of measurement (accuracy); no multipath and no multiple object problems as for iToF Time-to-Digital Converter (TDC) Direct Time-of-Flight Measurement Better accuracy detects reliably closest object Minimum distance 20 mm Maximum distance 2500 mm Single Photon Avalanche Photodiode (SPAD) Histogram based architecture No complex calibration Dynamic cover glass calibration Compensates for dirt on glass Reliable Operation under demanding use cases Class 1 Eye Safe Fast VCSEL driver with protection

8141 Premstaetten

Austria, Europe Tel: +43 (0) 3136 500 0 Please visit our website at www.ams.com Buy our products or get free samples online at www.ams.com/Products Technical Support is available at www.ams.com/Technical-Support Provide feedback about this document at www.ams.com/Document-Feedback For sales offices, distributors and representatives go to www.ams.com/Contact For further information and requests, e-mail us at ams_sales@ams.com Copyright ams AG. Trademarks Registered. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. Product Brief • PUBLIC PB000130 • 1-00 • 2019-July-22 2 │ 2

3 Applications

  • Distance measurement for camera autofocus (Laser Detect Autofocus - LDAF)
  • Supporting low-power system operation by enabling high-power components (i.e. 3D camera) only when an object is in the detection range
  • Presence detection - Object detection ● Collision avoidance

4 Block Diagram

Figure 2: Functional Blocks of TMF8801 TMF8801 VCSEL Optical Filter Reflective Surface Background Light Internal Reflection Optics SPAD, TDC and Histogram Driver Control Data Process Cortex M0 TOF SensorEN GPIO1 GPIO0INT SDA SCL VDDC GNDC VDD GND Host