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Electronic smart lock

Products and reference designs
Block diagram

Electronic smart lock

Block diagram

Overview

Electronic smart locks are growing as a result of IoT. These battery-powered locks often require features such as BLE, Sub-1 GHz, Wi-Fi connectivity, interactive RGBW HMI, audio and sensing and more. Our integrated circuits and reference designs help you address complex design issues while reducing time to market.

Design requirements

Electronic smart lock designs require:

  • Energy efficiency and long battery life with a wide operating temperature range.
  • Secure management of keys and access control.
  • Low-power HMI like RGBW LEDs, touch, proximity sensing and audio notification.
  • Support of multiple industry standards like ZigBee®, 6LoWPAN and ZigBee RF4CE remote control applications.
  • Configurable BLE advertisement intervals to reduce power consumption.

Block diagram

Find products and reference designs for your system.

Wired smart door access control

Wireless smart door access control

Wireless smart door access control

Haptics Feedback Haptics Feedback Human Interface Human Interface LED Array LED Array Door Latch Door Latch Accelerometer Accelerometer Motor, LED, Audio Motor, LED, Audio Point of Load Point of Load Batteries Batteries M M Door Bolt Door Bolt Mechanical Keypad Mechanical Keypad Non-Isolated DC/DC Power Supply Non-Isolated DC/DC Power Supply Buck (or LDO) Buck (or LDO) Buck-Boost or Boost Buck-Boost or Boost MOSFET (Reverse Polarity Protection) MOSFET(Reverse Polarity Protection) Energy Storage Energy Storage Battery Fuel Gauge Battery Fuel Gauge Input User Interface Input User Interface Haptics Haptics Capacitive Touch Capacitive Touch Push Button Controller Push Button Controller Signal Input/Output Protection Signal Input/Output Protection ESD Protection ESD Protection Output User Interface Output User Interface RGB & White LED Driver RGB & White LED Driver Speaker Amps SpeakerAmps Tamper Detection Tamper Detection Hall Sensor Hall Sensor Ambient Light Sensor Ambient Light Sensor Reed Switch Reed Switch Digital Processing Digital Processing MCU or Wireless MCU (With Integrated Radio) MCU orWireless MCU(With Integrated Radio) Voltage Reference Voltage Reference Voltage Translator Voltage Translator Logic Gates Logic Gates Buffer/Driver Buffer/Driver Wireless Interface Wireless Interface NFC NFC Radio (BLE, Wi-Fi or Sub-1GHz) Radio (BLE, Wi-Fi or Sub-1GHz) Mobile Device Mobile Device Motor Driver Motor Driver Motor Driver Motor Driver Load Switch LoadSwitch Position Sensing Position Sensing Inductive Sensor Inductive Sensor Hall Effect Sensor Hall Effect Sensor Optical Sensor OpticalSensor Amp Amp

Wireless interface

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For applications where high integration or small solution size are key concerns, integrated microcontroller and radio topologies may be used. In this topology the application layer, wireless stack and RF radio functionality are all on one chip. An MCU may also be integrated for additional resource management.

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Wireless connectivity (22)
Low-power 2.4-GHz products
  • CC2755R10—SimpleLink™ 32-bit Arm® Cortex®-M33 Bluetooth® Low Energy wireless MCU with 1MB flash
    Data sheet: PDF | HTML
  • CC2652R7—SimpleLink™ Arm® Cortex®-M4F multiprotocol 2.4-GHz wireless MCU with 704-kB Flash
    Data sheet: PDF | HTML
  • CC2340R5—SimpleLink™ 32bit Arm® Cortex®-M0+ 2.4GHz wireless MCU with 512kB flash
    Data sheet: PDF | HTML
  • CC2652R—SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with 352kB Flash
    Data sheet: PDF | HTML
  • CC2642R—SimpleLink™ 32-bit Arm Cortex-M4F Bluetooth® Low Energy wireless MCU with 352kB Flash
    Data sheet: PDF | HTML
  • CC2640R2F—SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash
    Data sheet: PDF | HTML
Wi-Fi products
  • CC3501E—SimpleLink™ wireless MCU with 2.4 GHz Wi-Fi 6 and Bluetooth® Low Energy 5.4
    Data sheet: PDF | HTML
  • CC3351—SimpleLink™ dual-band (2.4 and 5GHz) Wi-Fi 6 and Bluetooth® Low Energy 5.4 companion IC
    Data sheet: PDF | HTML
  • CC3120—SimpleLink™ Wi-Fi® Network Processor, Internet-of-Things Solution for MCU Applications
    Data sheet: PDF | HTML
  • CC3220S—SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with secure boot and 256kB RAM
    Data sheet: PDF | HTML
  • CC3220SF—SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with 1MB Flash and 256kB RAM
    Data sheet: PDF | HTML
  • CC3230S—SimpleLink™ Arm Cortex-M4 Wi-Fi® MCU with 256kB RAM, coexistence, WPA3, 16 TLS sockets, secure boot
    Data sheet: PDF | HTML
Sub-1 GHz transceivers
  • CC1101—Low-power Sub-1 GHz wireless transceiver
    Data sheet: PDF | HTML
  • CC1120—High performance Sub-1 GHz wireless transceiver for narrowband systems
    Data sheet: PDF | HTML
  • CC110L—Value line Sub-1 GHz wireless transceiver
    Data sheet: PDF | HTML
Sub-1 GHz wireless MCUs
  • CC1312R—SimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash
    Data sheet: PDF | HTML
Other wireless products
  • CC2592—2.4 GHz range extender with up to +22 dBm output power
    Data sheet: PDF | HTML
  • CC2500—Low Cost, Low-Power 2.4 GHz RF Transceiver Designed for Low-Power Wireless Apps in the 2.4 GHz ISM B
    Data sheet: PDF | HTML
  • TRF7961—TRF7961 Fully Integrated 13.56-MHz RFID Reader/Writer IC for ISO15693
    Data sheet: PDF | HTML
  • TRF7960—TRF7960 Multi-Protocol Fully Integrated 13.56-MHz RFID Reader/Writer IC
    Data sheet: PDF | HTML
  • CC2530-RF4CE—Zigbee, IEEE 802.15.4 and RF4CE wireless MCU with 256kB Flash and 8kB RAM
    Data sheet: PDF | HTML
  • TRF7970A—Multi-Protocol Fully Integrated 13.56-MHz NFC / RFID Transceiver IC
    Data sheet: PDF | HTML
Battery management ICs (3)
Battery charger ICs
  • BQ24610—Standalone 1-6 cell Buck battery charge controller with 5V-28V input
    Data sheet: PDF | HTML
  • BQ25120A—300-mA linear battery charger with Power Path, integrated LDO and buck converter 1.8V default output
    Data sheet: PDF | HTML
  • BQ25504—Ultra Low Power Boost Converter with Battery Management for Energy Harvester | Nano-Power Management
    Data sheet: PDF | HTML
  • CC-ANTENNA-DK-RD—Sub-1 GHz and 2.4 GHz Antenna Reference Designs
    Schematic: PDF Schematic: PDF
  • TIDA-00217—Dynamic Field-Powered NFC for Data Logging Access Control & Security Applications Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-00230—NFC Configuration & Logging Interface (Dual Port FRAM: NFC <-> FRAM <-> Serial) Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-00757—Smart Lock Reference Design Enabling 5+ Years Battery Life on 4x AA Batteries
    Design guide: PDF Schematic: PDF
  • TIDC-01005—Battery Powered Smart Lock Reference Design With Cloud Connectivity Using SimpleLink™ Wi-Fi®
    Design guide: PDF | HTML Schematic: PDF
  • TIDC-CC2650-CC2592-EMK—SimpleLink™ CC2650 Wireless MCU and CC2592 Range Extender Reference Design - 122dB Link Budget
    Test report: PDF Schematic: PDF
  • TIDC-CC2650STK-SENSORTAG—SimpleLink™ multi-standard CC2650 SensorTag™ kit reference design
    Schematic: PDF
  • TIDM-LPBP-WIRELESSNODE—Low-Power Sub-1 GHz Wireless Transceiver
    Schematic: PDF
  • TIDM-NFC-EZ430-MODULE—NFC EZ430 Reader Module Reference Design
    Schematic: PDF
  • TIDM-NFC-READER—NFC & RFID Ultra-Low-Power Card Presence Detection Reference Design
    Schematic: PDF
  • TIDM-NFC-SDM—NFC Transceiver's Direct Mode supporting MIFARE® Classic & Proprietary Protocols
    Schematic: PDF

Technical documentation

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Type Title Date
Technical article How to create a robust building security system with TI’s SimpleLink MCU platform PDF | HTML 31 Jul 2023
Application note SimpleLink™ Wi-Fi® Enabled Electronic Smart Lock (Rev. A) 29 Sep 2020
White paper How to optimize building and home automation designs for energy efficiency 29 Apr 2020
More literature Building your application with security in mind (Rev. E) 28 Oct 2020
Technical article Making a smarter door lock with the SimpleLink™ MSP432™ microcontroller PDF | HTML 27 Jul 2023
Technical article Smart Wi-Fi® locks will soon open many doors PDF | HTML 21 Aug 2023
Application note Smart Door Lock With SimpleLink Platform 20 Jun 2018
White paper Low-Power Internet Connectivity Over Wi-Fi (Rev. A) 19 Jul 2019
Technical article Strengthening Wi-Fi security at the hardware level PDF | HTML 17 Jul 2023
White paper Connected microcontrollers essential to automation in buildings (Rev. A) 15 Apr 2021
White paper Capacitive touch building security system equipment using MSP430™ MCUs (Rev. A) 12 Dec 2024
White paper Capacitive touch building security system equipment using MSP430™ MCUs (Rev. B) 12 Dec 2024
Analog Design Journal Building a greener, more secure planet 10 Nov 2017
Application brief Dynamic Multi-protocol Manager (DMM) Tech Note (Rev. A) PDF | HTML 10 May 2022
Technical article Embrace IoT living through the gateway of electronic door locks PDF | HTML 08 Jun 2023
Technical article How to reduce board size and battery consumption in low-voltage H-bridge applicati PDF | HTML 07 Aug 2023
Product overview Electronic Smart Locks: Ultra-low power and Multi-Standard operation 05 Nov 2018
White paper Extending Battery Life in Smart E-Locks (Rev. A) 05 Jun 2020
Technical article Unlock every door with the SimpleLink™ platform PDF | HTML 05 Jul 2023
More literature SimpleLink™ Wi-Fi® CC3x20 MCU Security (Rev. A) 05 Aug 2019

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