Cold Chain Data Logger

The cold chain data logger reference design provides five functions, BC1.2 standard, PDF data logger, environmental temperature sensing, touch keys control system, and LCD information includes temperature, battery level, and time.

  • Features
    Saves BOM cost and simplifies PCB layout
      - Three-in-one: system control, LCD display  control, and touch key control
      - LCD controller built-in DH1/DH2 capacitance
      - Crystal-less USB2.0 FS
    USB device creates PDF data log file automatically
      Minimal PDF library (Optimized only 39 KB of   Flash and 10 KB of RAM)
    - USB Smart Charger
      - Battery Charge Standard 1.2
    - GUI tool on PC synchronize device status
      - Synchronize RTC and warning log data with   Nuvoton Logger
  • Specifications
    M258  (32-bit Arm® Cortex®-M23)
    - Touch key controller
      - IEC 61000-4-6 10 Vrms
      - 2 mm waterproof
      - High touch sensitivity and high-noise   immunity 
      - Power down current  14 µA LCD controller
      - Charge pump voltage range from 2.8 V to 5.2 V 
      - Display remain in power down mode
  • System Block Diagram
    Cold Chain Data Logger
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