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AFE sensores ultrasónicos

PGA450-Q1

ACTIVO

Procesador de señal de sensor ultrasónico con microcontrolador (MCU) integrado

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PGA450-Q1

ACTIVO
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Detalles del producto

Type Integrated Features Transformer drive Gain (min) (dB) 40 Gain (max) (dB) 64 Number of input channels 1 Supply voltage (min) (V) 7 Supply voltage (max) (V) 18 Operating temperature range (°C) -40 to 125 Interface type GPIO, LIN, SCI, SPI, UART Rating Automotive
Type Integrated Features Transformer drive Gain (min) (dB) 40 Gain (max) (dB) 64 Number of input channels 1 Supply voltage (min) (V) 7 Supply voltage (max) (V) 18 Operating temperature range (°C) -40 to 125 Interface type GPIO, LIN, SCI, SPI, UART Rating Automotive
TSSOP (PW) 28 62.08 mm² 9.7 x 6.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    Measurements up to 7 Meters through Air
  • Dual NMOS Low-Side Drivers
  • Configurable Burst Generator
  • Low-Noise Amplifier
  • 12-Bit SAR ADC
  • Configurable Digital Bandpass Filter
  • Digital Signal Envelope Detect
  • On-Chip 8-Bit Microprocessor
  • LIN 2.1 Physical Interface and Protocol
  • Watchdog Timer
  • Four-Wire SPI for Testability and Programming
  • 8K Bytes of OTP
  • 768 Bytes of FIFO RAM
  • 256 Bytes of Scratchpad RAM
  • 8K Bytes of Development RAM
  • 32 Bytes of EEPROM for Application

All trademarks are the property of their respective owners.

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    Measurements up to 7 Meters through Air
  • Dual NMOS Low-Side Drivers
  • Configurable Burst Generator
  • Low-Noise Amplifier
  • 12-Bit SAR ADC
  • Configurable Digital Bandpass Filter
  • Digital Signal Envelope Detect
  • On-Chip 8-Bit Microprocessor
  • LIN 2.1 Physical Interface and Protocol
  • Watchdog Timer
  • Four-Wire SPI for Testability and Programming
  • 8K Bytes of OTP
  • 768 Bytes of FIFO RAM
  • 256 Bytes of Scratchpad RAM
  • 8K Bytes of Development RAM
  • 32 Bytes of EEPROM for Application

All trademarks are the property of their respective owners.

The PGA450-Q1 device is a fully integrated system-on-a-chip analog front-end for ultrasonic sensing in automotive park-assist, object-detection through air, level sensing in large tanks, and distance measurements for anti-collision and landing assist of unmanned systems (such as drones, cameras, and robots). This highly integrated device enables a small form-factor and cost-optimized solution compared to discrete ultrasonic-sensor solutions. The PGA450-Q1 device can measure distances ranging from less than 1 meter up to 7 meters, at a resolution of 1 cm depending on the transducer-transformer sensor pair used in the system.

The PGA450-Q1 device has an integrated 8051 8-bit microcontroller and OTP memory for program storage to process the echo signal and calculate the distance between the transducer and targeted object. Full programmability is available for optimization of specific end applications, and to accommodate a wide-range of closed-top or open-top transducers. Configurable variables include the number of transmit pulses, driving frequency, LNA gain, and comparison signal thresholds. External communication with the PGA450-Q1 device is capable through the LIN 2.1 protocol, SPI, or UART interfaces.

For all available packages, see the orderable addendum at the end of the data sheet.

The PGA450-Q1 device is a fully integrated system-on-a-chip analog front-end for ultrasonic sensing in automotive park-assist, object-detection through air, level sensing in large tanks, and distance measurements for anti-collision and landing assist of unmanned systems (such as drones, cameras, and robots). This highly integrated device enables a small form-factor and cost-optimized solution compared to discrete ultrasonic-sensor solutions. The PGA450-Q1 device can measure distances ranging from less than 1 meter up to 7 meters, at a resolution of 1 cm depending on the transducer-transformer sensor pair used in the system.

The PGA450-Q1 device has an integrated 8051 8-bit microcontroller and OTP memory for program storage to process the echo signal and calculate the distance between the transducer and targeted object. Full programmability is available for optimization of specific end applications, and to accommodate a wide-range of closed-top or open-top transducers. Configurable variables include the number of transmit pulses, driving frequency, LNA gain, and comparison signal thresholds. External communication with the PGA450-Q1 device is capable through the LIN 2.1 protocol, SPI, or UART interfaces.

For all available packages, see the orderable addendum at the end of the data sheet.
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Documentación técnica

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* Data sheet PGA450-Q1 Ultrasonic-Sensor Signal Conditioner datasheet (Rev. D) PDF | HTML 07 jun 2016
Application note Ultrasonic Sensing Basics (Rev. D) PDF | HTML 02 dic 2021
Application note PGA450-Q1 Software Development Guide 31 oct 2018
Technical article How ultrasonic technology improves convenience and performance in home automation PDF | HTML 05 oct 2017
Technical article Power naps: saving energy using ultrasonic sensing PDF | HTML 16 ago 2016
Application note PGA450-Q1 Reset Issue During VPWR Ramp Down 24 may 2016
EVM User's guide PGA450Q1EVM-S User's Guide and TIDA-00151 UART Demo Instructional (Rev. B) PDF | HTML 24 mar 2016
EVM User's guide PGA450Q1EVM User's Guide (Rev. C) PDF | HTML 05 nov 2015
Application note LIN Demonstration using PGA450Q1EVM Firmware Rev 2.1 (Rev. A) 13 jul 2015
Application note Optimizing Performance of the PGA450-Q1 23 jun 2015
Application note Automatic Slave Node Position Detection (SNPD) for PGA450-Q1 17 jun 2015
Analog Design Journal 3Q 2012 Issue Analog Applications Journal 17 jul 2012
Analog Design Journal Using a fixed threshold in ultrasonic distance-ranging automotive applications 17 jul 2012

Diseño y desarrollo

Revise la sección Diseño y desarrollo en un equipo de escritorio.

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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