Data Sheet Rev. 5
CN Rev. 2

Overview

Features and Benefits

  • Controls Dual Programmable High Voltage, High Current I/O Port Pins from a Single Micro Port Pin
    • Open-Drain Programmable I/O Pins Support 20mA max Continuous Current Sink
    • 28V (max) PIO Pin Operating Voltage
    • On-Resistance of PIO Pulldown Transistor 20Ω max; OFF Resistance 1MΩ min
    • Parasitic Power Supply Through 1-Wire
  • Minimalist 1-Wire Interface Lowers Cost and Interface Complexity
    • Communicates to Host with a Single Digital Signal at 14.9kb or 100kbps
    • Switchpoint Hysteresis and Filtering to Optimize Performance in the Presence of Noise
    • 1-Wire IO Pin Supports 28V Absolute Maximum DC Level for Fault Conditions
    • Unique 64-bit ROM Serial Number Factory Lasered Into Each Device
    • High ESD Immunity of 1-Wire IO Pin: 8kV HBM Typical
    • TSOC and TDFN Packages Available
  • Wide Voltage and Temperature Operating Ranges Enables Robust System Performance
    • 2.8V to 5.25V
    • 0°C to +70°C

Product Details

The DS2413 is a dual-channel programmable I/O 1-Wire® chip. The PIO outputs are configured as open-drain and provide up to 20mA continuous sink capability and off-state operating voltage up to 28V. Control and sensing of the PIO pins is performed with a dedicated device-level command protocol. To provide a high level of fault tolerance in the end application, the 1-Wire I/O and PIO pins are all capable of withstanding continuous application of voltages up to 28V max. Communication and operation of the DS2413 is performed with the single contact Maxim 1-Wire serial interface.

Applications

  • Accessory Identification and Control
  • General Purpose Input/Output
  • Industrial Controllers
  • Key-Pick Systems
  • LED Control
  • System Monitoring

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    Design Resources

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