Automotive Acoustic Knock Sensor Interface TIDA-00152 (ACTIVE)

Description & Features

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Description

This TIDA-00152 reference design utilizes a dual-channel, signal processing IC for detection of premature detonation in combustion (gasoline) engines. The heart of this design is the TPIC8101 that serves as an interface between acoustical sensors or accelerometers and automobile engine management systems. Programmable features on this device include the selection of engine knock detection sensitivity, engine resonance frequency, and sampling rate control of on-board ADC and DAC in signal processing chain. These features allow the TPIC8101 to be a flexible interface that can adapt to cost and/or processing time constraints of the customer.

Features
  • 2 channel device (cars usually have two knock sensors)
  • Programmable features (gain, bpf center freq, input freq pre-scalar)
  • Broad uC selection (nine selectable external clock frequencies)
  • Full SoC (can be used for general analog signal processing)
  • Xtal-less solution (providing there is a clock from the MCU)
  • AEC-Q100

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Schematic/Block Diagram

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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPIC8101  Vibration and Engine Knock Sensor Interface  Interface  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPIC8101 Download Download

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Technical Documents

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User guides (3)
Title Type Size (KB) Date
PDF 346 11 Apr 2014
PDF 308 11 Apr 2014
PDF 575 11 Apr 2014
Design files (3)
Title Type Size (KB) Date
ZIP 109 11 Apr 2014
PDF 107 11 Apr 2014
PDF 340 11 Apr 2014
Related Tools & Software

Software (1)



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