MSP430FR2633 Microcontroller CapTIvate Electronic Lock and Keypad Reference Design

(ACTIVE) TIDM-CAPTIVATE-E-LOCK

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Key Document

Description

This reference design demonstrates an ultra-low-power capacitive touch panel solution based on a single MSP430™ microcontroller (MCU) with CapTIvate™ technology. The use of self and mutual capacitance technology enables multifunctional capacitive touch panels (buttons, and proximity sensor) for eLocks and other applications with various human interfaces available. This TI Design also demonstrates how to extend battery life by duty-cycling the MSP430 CPU and switch between low-power mode and active mode.

Features
  • 12 touch buttons with one proximity sensor for system wake up and guard key
  • 12 LEDs to indicate touch operation
  • Haptics and beep available for touch feedback and lock status
  • Ultra-low standby power consumption
  • Anti-moisture performance

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Schematic/Block Diagram

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Design Guide

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Bill of Materials (BOM)

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430FR2633  MSP430 MCU with CapTIvate technology - the lowest power, most noise-immune capacitive touch  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
TPS61020  Adjustable, 1.5-A Switch, 96% Efficient Boost Converter with Down-Mode, QFN-10  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TPS62745  10V Ultra Low Iq Step-Down Converter with VSEL and input voltage switch  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430FR2633 Download -
Download -
Download Download
TPS61020 Download Download
TPS62745 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (2)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 6231 07 Nov 2016 0
PDF 30 11 Feb 2016 0
White papers (2)
Title Abstract Type Size (KB) Date Views
PDF 1379 04 Aug 2017 0
PDF 1156 14 Oct 2015 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 206 28 Oct 2016 0
ZIP 549 28 Oct 2016 0
ZIP 256 28 Oct 2016 0
PDF 35 28 Oct 2016 0
PDF 99 28 Oct 2016 0
PDF 460 28 Oct 2016 0
Related Tools & Software

Reference Designs  ( 3 )

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
MSP CapTIvate MCU Development Kit  MSP-CAPT-FR2633  Evaluation Modules & Boards 

Software (2)

Name Part Number Software Type
CapTIvate™ Design Center GUI for MSP430™ Capacitive Sensing MCUs  MSPCAPTDSNCTR  Software Libraries 


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