Power optimization for 77GHz-level transmitter reference design
TIDEP-0091
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Key Document

Description

TI Design TIDEP-0091 highlights strategies for power optimization of IWR14xx 76- to 81-GHz mmWave sensors in tank level-probing applications, displacement sensors, 4- to 20-mA sensors, and other low-power applications for detecting range with high accuracy in a minimal power envelope. In these applications, the system often operates on a low-voltage data line that provides less power than the operational power consumption. Duty cycling is critical to reducing the average power to meet the power input restrictions. Power optimization is achieved through MSP432 external duty cycling the IWR14xx device for periodic sensing. Additionally, this TI Design provides a sample configuration for single-dimensional range detection.

Read more about fluid-level sensing using 77-GHz millimeter wave (SPYY004).

Watch the introduction to level sensing (video).

 

Features
  • Uses IWR1443 mmWave and SimpleLink MSP432 software development kits (SDKs)
  • Serial communication between IWR1443 and MSP432
  • Provides an optimized processing chain for single-dimension range detection
  • Applicable to any application requiring low-power duty cycling

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

IWR1443BOOST :
IWR1443 single-chip 76-GHz to 81-GHz mmWave sensor evaluation module

$299.00(USD)


Not Available ACTIVE

MSP-EXP432P401R :
MSP432P401R LaunchPad

$19.99(USD)


Pricing may vary.



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TI Devices (9)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
IWR1443  Single-chip 76-GHz to 81-GHz mmWave sensor integrating MCU and hardware accelerator  mmWave sensors  Sample & Buy View Design Kits & Evaluation Modules
LM53602-Q1  3.5 to 36Vin, 2 Ampere Synchronous DC-DC Converter for Automotive Applications  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM74610-Q1  Zero iq reverse polarity protection smart diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
LP87524B-Q1  Multiphase 4MHz, 4A/1.8V + 2.5A/2.3V + 1.5A/3.3V + 1.5A/1.2V buck converters for AWR and IWR MMICs  Power management  Sample & Buy View Design Kits & Evaluation Modules
MSP432P401R  SimpleLink Ultra-Low-Power 32-Bit ARM Cortex-M4F MCU With Precision ADC, 256KB Flash and 64KB RAM  SimpleLink MCUs  Sample & Buy View Design Kits & Evaluation Modules
SN65HVDA540  5-V CAN Transceiver With I/O Level Shifting and Supply Optimization  Interface  Sample & Buy View Design Kits & Evaluation Modules
TPS3780  Low Power, Dual Voltage Detector in Small µSON package  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A8101  Low-Noise, High-Bandwidth PSRR, Low-Dropout 1-A Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A88  Dual 1A Low-Noise (3.8μVRMS) LDO Voltage Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
IWR1443 Download Download
LM53602-Q1 Download
LM74610-Q1 Download Download
LP87524B-Q1 Download Download
MSP432P401R Download Download
NFBGA (ZXH)| 80 Download -
Download Download
SN65HVDA540 Download Download
TPS3780 Download Download
Download Download
TPS7A8101 Download Download
TPS7A88 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 4210 27 Sep 2018
White papers (1)
Title Type Size (KB) Date
PDF 818 17 Apr 2017
Design files (6)
Title Type Size (KB) Date
PDF 73 15 Sep 2017
PDF 575 15 Sep 2017
ZIP 513 15 Sep 2017
ZIP 2253 08 May 2017
ZIP 4177 08 May 2017
ZIP 352 08 May 2017
Related Tools & Software

Design Kits & Evaluation Modules  ( 2 )

Name Part Number Tool Type
IWR1443 single-chip 76-GHz to 81-GHz mmWave sensor evaluation module  IWR1443BOOST  Evaluation Modules & Boards 
SimpleLink™ MSP432P401R high-precision ADC LaunchPad™ Development Kit  MSP-EXP432P401R  Evaluation Modules & Boards 

Software (4)

Name Part Number Software Type
mmWave software development kit (SDK)  MMWAVE-SDK  Software Development Kits (SDK) 


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