BOOSTXL-TUSS4440

TUSS4440 transformer driven ultrasonic transducer with LDO evaluation module

BOOSTXL-TUSS4440

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Overview

The TUSS4440 EVM is a collective of the BOOSTXL-TUSS4440 and MSP-EXP430F5529LP, which enables users to fully evaluate the TUSS4440 ultrasonic sensor signal conditioner and transformer driver. Transducer compatibility is expanded to open- or closed-top transducers operating between 30 to 500 kHz. The transducer drive stage consists of low-side complementary drivers that can be configured to drive an ultrasonic transducer through a step-up transformer. The device delivers constant current to the primary side of the transformer for efficiency. The drivers can be either controlled directly via MCU for complete customization of the burst signal or can be programmed via SPI with customizable burst length. The receive signal path includes a low-noise linear amplifier, a bandpass filter followed by a logarithmic gain amplifier for input dependent amplification. This allows for high sensitivity for weak signals and offers excellent input dynamic range over full signal range. The associated TUSS Generation III EVM GUI can be used to customize, configure, and control the ultrasonic setup, and monitor the performance of the resulting ultrasonic activity.  The BOOSTXL-TUSS4440 includes one transformer driven closed-top transducer.

Evaluation steps

Step 1: Purchase the TUSS4440-XL-F5529-BNDL (or the BOOSTXL-TUSS4440 and MSP-EXP430F5529LP  individually)

Step 2: Download the GUI

Step 3: Download the user's guide

Step 4: Download our recommended transducer and transformer listing

Step 5: Build your custom hardware solution using the design file example
 
Step 6: Write your custom microcontroller solution using the Energia library example
 
Step 7: Visit our E2E ultrasonic support forum for more details and to ask questions

Features
  • Compatible with ultrasonic transducers operating at frequencies between 30 to 500 kHz.
  • Able to generate maximum sound pressure level using a transformer driver.
  • Compatible with microcontrollers operating at 3.3 or 5 V for SPI communication.
  • Modular receive path filter value selector to support entire range of supported transducer frequencies.
  • Fully tested evaluation module includes GUI, quick start demo procedure, USB interface and firmware, and detailed user's guide.
Ultrasonic sensor AFEs
TUSS4440 Transformer drive ultrasonic sensor IC with logarithmic amplifier

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BOOSTXL-TUSS4440 – TUSS4440 transformer drive ultrasonic sensor IC with logarithmic amplifier evaluation module

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Technical documentation

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* User guide TUSS44x0 EVM for Ultrasonic Sensors User's Guide (Rev. A) Apr. 02, 2020
Certificate BOOSTXL-TUSS4440 EU Declaration of Conformity Feb. 26, 2020

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