UART to Wi-Fi Bridge with 24 VAC Power Reference Design
TIDA-00375
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Description

The TIDA-00375 TI Design uses Texas Instruments SimpleLink Wi-Fi CC3200 Internet-on-a-chip Wireless MCU module to create a data bridge between existing hardware with a logic-level UART interface and a Wi-Fi network. The design also contains a Simple Switcher power supply with a wide input range suitable for 24 volt HVAC systems. The UART interface has buffers to allow this design to interface with equipment that has logic levels between 3.3 volts and 5 volts.

Features
  • Simple Switcher power supply with a wide input voltage range – 18V to 30V AC, 12V to 48V DC
  • Cortex M4 Provides Adaptability to Customer Communication Protocols
  • UART input with logic level translator can be used with 3.3 V or 5 V logic
  • Enables adding a Wi-Fi data stream to existing hardware without needing a hardware redesign

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Design Files

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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC3100  SimpleLink™ 32-bit Arm Cortex-M3 Wi-Fi® wireless network processor  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
CC3100MOD  SimpleLink™ Wi-Fi CERTIFIED™ network processor module for Internet-of-Things with 2 TLS/SSL  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
CC3200  SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with 2 TLS/SSL and 256kB RAM  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
CC3200MOD  SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® and Internet-of-Things wireless module  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
LMR16006  SIMPLE SWITCHER® 4V to 60V, 600mA Step-Down Regulator with Low Iq  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
SN74LV1T34  Single Power Supply BUFFER Logic Level Shifter (no enable)  Voltage level translators  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-channel ESD in 0402 package with 10pF capacitance and 6-V breakdown  Circuit protection ICs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC3100 Download -
Download
CC3100MOD Download -
CC3200 Download -
CC3200MOD Download -
LMR16006 Download Download
SN74LV1T34 Download Download
Download Download
TPD1E10B06 Download Download

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