Produktdetails

Type Integrated Features Transformer drive Gain (min) (dB) 32 Gain (max) (dB) 90 Number of input channels 1 Supply voltage (min) (V) 6 Supply voltage (max) (V) 28 Operating temperature range (°C) -40 to 105 Interface type OWU (one-wire UART), TCI (time-command interface), UART, USART Rating Automotive
Type Integrated Features Transformer drive Gain (min) (dB) 32 Gain (max) (dB) 90 Number of input channels 1 Supply voltage (min) (V) 6 Supply voltage (max) (V) 28 Operating temperature range (°C) -40 to 105 Interface type OWU (one-wire UART), TCI (time-command interface), UART, USART Rating Automotive
TSSOP (PW) 16 32 mm² 5 x 6.4
  • Fully integrated solution for ultrasonic sensing
  • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation
  • Single transducer for both burst/listen or a transducer pair, one for burst and the other for listen operation
  • Low-noise receiver with programmable 6-point time-varying gain (32 to 90 dB) with DSP (BPF, demodulation) for echo envelope detection
  • Two presets of 12-point time-varying threshold for object detection
  • Timers to measure multiple echo distance and duration
  • Integrated temperature sensor
  • Record time for object detection up to 11 m
  • 128 bytes of RAM for echo recording
  • 42 bytes of user EEPROM to store configuration for fast initialization
  • One-wire high-voltage time-command interface or USART asynchronous interface
  • CMOS level USART interface
  • Sensor diagnostics (decay frequency and time, excitation voltage), supply, and transceiver diagnostics
  • Fully integrated solution for ultrasonic sensing
  • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation
  • Single transducer for both burst/listen or a transducer pair, one for burst and the other for listen operation
  • Low-noise receiver with programmable 6-point time-varying gain (32 to 90 dB) with DSP (BPF, demodulation) for echo envelope detection
  • Two presets of 12-point time-varying threshold for object detection
  • Timers to measure multiple echo distance and duration
  • Integrated temperature sensor
  • Record time for object detection up to 11 m
  • 128 bytes of RAM for echo recording
  • 42 bytes of user EEPROM to store configuration for fast initialization
  • One-wire high-voltage time-command interface or USART asynchronous interface
  • CMOS level USART interface
  • Sensor diagnostics (decay frequency and time, excitation voltage), supply, and transceiver diagnostics

The PGA460 device is a highly-integrated system on-chip ultrasonic transducer driver and signal conditioner with an advanced DSP core. The device has a complimentary low-side driver pair that can drive a transducer either in a transformer based topology using a step-up transformer or in a direct-drive topology using external high-side FETs. The device can receive and condition the reflected echo signal for reliable object detection. This feature is accomplished using an analog front-end (AFE) consisting of a low-noise amplifier followed by a programmable time-varying gain stage feeding into an ADC. The digitized signal is processed in the DSP core for both near-field and far-field object detection using time-varying thresholds.

The main communication with an external controller is achieved by either a time-command interface (TCI) or a one-wire USART asynchronous interface on the IO pin, or a CMOS-level USART interface on the RXD and TXD pins. The PGA460 can be put in ultra-low quiescent current low-power mode to reduce power consumption when not in use and can be woken up by commands on the communication interfaces.

The PGA460 also includes on-chip system diagnostics which monitor transducer voltage during burst, frequency and decay time of transducer to provide information about the integrity of the excitation as well as supply-side and transceiver-side diagnostics for overvoltage, undervoltage, overcurrent and short-circuit scenarios.

The PGA460 device is a highly-integrated system on-chip ultrasonic transducer driver and signal conditioner with an advanced DSP core. The device has a complimentary low-side driver pair that can drive a transducer either in a transformer based topology using a step-up transformer or in a direct-drive topology using external high-side FETs. The device can receive and condition the reflected echo signal for reliable object detection. This feature is accomplished using an analog front-end (AFE) consisting of a low-noise amplifier followed by a programmable time-varying gain stage feeding into an ADC. The digitized signal is processed in the DSP core for both near-field and far-field object detection using time-varying thresholds.

The main communication with an external controller is achieved by either a time-command interface (TCI) or a one-wire USART asynchronous interface on the IO pin, or a CMOS-level USART interface on the RXD and TXD pins. The PGA460 can be put in ultra-low quiescent current low-power mode to reduce power consumption when not in use and can be woken up by commands on the communication interfaces.

The PGA460 also includes on-chip system diagnostics which monitor transducer voltage during burst, frequency and decay time of transducer to provide information about the integrity of the excitation as well as supply-side and transceiver-side diagnostics for overvoltage, undervoltage, overcurrent and short-circuit scenarios.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet PGA460 Ultrasonic Signal Processor and Transducer Driver datasheet (Rev. C) PDF | HTML 10 Feb 2023
Application note PGA460 Control Based on MSPM0 for Distance Detection PDF | HTML 17 Apr 2024
Application brief Hall-Effect Sensors in Vacuum Robots PDF | HTML 22 Mär 2022
Application note Ultrasonic Sensing Basics (Rev. D) PDF | HTML 02 Dez 2021
Application note PGA460 Ultrasonic Module Hardware and Software Optimization (Rev. A) PDF | HTML 07 Apr 2021
Application brief Ultrasonic Sensing in Automated Terrain-Type and Obstacle Detection in Robotic (Rev. B) PDF | HTML 03 Jan 2021
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs 25 Mär 2020
Technical article How to choose the right proximity sensor for your design needs PDF | HTML 31 Okt 2019
Application brief Using Ultrasonic Technology for Smart Parking and Garage Gate Systems 08 Aug 2019
Application note How to select the right proximity sensor technology 19 Jul 2019
EVM User's guide PGA460PSM-EVM User's Guide 15 Jul 2019
Application brief Ultrasonic Floor-Type and Cliff Detection on Automated Vacuum Robots 15 Jul 2019
Application note PGA460 Array of Ultrasonic Transducers for Triangulation and Tracking 12 Jul 2019
Technical article Paving the way with ultrasonic sensing PDF | HTML 10 Jun 2019
Application note PGA460 Full-Bridge Driver Solutions for Ultrasonic Transducers (Rev. A) 28 Feb 2019
Design guide Ultrasonic Proximity-Sensing Module (PSM) Reference Design 09 Okt 2018
User guide PGA460-Q1 Ultrasonic Signal Conditioner EVM With Transducer User's Guide (Rev. B) 19 Mär 2018
Technical article Where are ultrasonic sensors used? – Part 2 PDF | HTML 31 Okt 2017
Technical article How ultrasonic technology improves convenience and performance in home automation PDF | HTML 05 Okt 2017
Application note PGA460 Software Development Guide (Rev. A) 22 Aug 2017
Technical article Where are ultrasonic sensors used? – Part 1 PDF | HTML 29 Jun 2017
Application note PGA460 Frequently Asked Questions (FAQ) and EVM Troubleshooting Guide 01 Mai 2017
User guide PGA460-Q1 EVM Quick Start Guide 17 Feb 2017

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

BOOSTXL-PGA460 — PGA460-Q1 Evaluierungsmodul zur Signalkonditionierung von Ultraschallsensoren mit Transducern

Fully evaluate the PGA460 ultrasonic sensor signal conditioner with the BOOSTXL-PGA460 (+ MSP430F5529LP). The PGA460 is an integrated ultrasonic front-end with a digital signal processor that outputs time-of-flight data, echo width and amplitude information. The driver strength is configurable by a (...)
Benutzerhandbuch: PDF
Evaluierungsplatine

PGA460PSM-EVM — Evaluierungsmodul für Ultraschall-Näherungserkennung (PGA460 Ultraschall-Näherungserkennung)

For shipments to Europe, please order the equivalent signal conditioning device BOOSTXL-PGA460

The PGA460PSM evaluation module (EVM) is a small-form-factor solution showcasing double-sided printed circuit board (PCB) spacing and the supporting component requirements for the PGA460 ultrasonic (...)

Benutzerhandbuch: PDF
Codebeispiel oder Demo

SLAC741 PGA460 Energia Library and Code Example (Version 1.1.0)

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TIDA-060024 — Referenzdesign zur Annäherungsmessung (PSM) mit Ultraschall

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
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