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
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Status
IWR1443BOOST
: IWR1443 single-chip 76-GHz to 81-GHz mmWave sensor evaluation module
$299.00(USD)
ACTIVE
$19.99(USD)
ACTIVE
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TI Devices (9)
Order samples, get tools and find more information on the TI products in this reference design.
Sample & Buy
Design Kits & Evaluation Modules
IWR1443 Single-chip 76-GHz to 81-GHz mmWave sensor integrating MCU and hardware accelerator
mmWave radar 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) regulators
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LM74610-Q1 0.48-V to 42-V, zero IQ automotive ideal diode controller
Power switches
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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
Microcontrollers (MCUs)
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SN65HVDA540 5-V CAN Transceiver With I/O Level Shifting and Supply Optimization
Interface
Sample & Buy View Design Kits & Evaluation Modules
TPS3780 Open-drain, low-power, dual-voltage detector in Small µSON package
Power management
Sample & Buy View Design Kits & Evaluation Modules
TPS7A8101 1-A, high-PSRR, adjustable ultra-low-dropout voltage regulator with enable
Power management
Sample & Buy View Design Kits & Evaluation Modules
TPS7A88 1-A, low-noise, high-PSRR, dual-channel adjustable ultra-low-dropout voltage regulator
Power management
Sample & Buy View Design Kits & Evaluation Modules
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Technical documentation See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guide (1) Title Type Size (KB) Date PDF 4210
27 Sep 2018
White paper (1) Title Type Size (KB) Date PDF 818
17 Apr 2017
Design files (8) ZIP 53
06 Nov 2018
ZIP 52
06 Nov 2018
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
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