MAX22505

±40V High-Speed USB Port Protector

Industry's First ±40V High-Speed USB Port Protector


Please check latest availability status for a specific part variant.

Description

The MAX22505 is designed to protect a USB port on commercial and industrial equipment against damage due to faulty or incorrectly wired power supplies. The USB port is protected against connection to typical 24VDC or 24VAC systems with a max data line protection of ±40.7V and power/ground line protection up to ±50V.

VBUS, ground and connector shield connections can be configured for any level of ESD, burst, and surge protection by choosing external components. USB data D+ and D- are protected by external diode clamps to VBUS and GND, allowing for the lowest possible insertion loss while providing high ESD and Burst protection.

The MAX22505 is housed in a 24-pin, 4mm x 4mm TQFN package with exposed pad and is specified for operation over the -40°C to +105°C temperature range.

Design Solution: Protecting Your USB Port Doesn’t Have to Slow It Down ›

MAX22505: Application Block Diagram MAX22505: Application Block Diagram Enlarge+

Key Features

  • Robust Communications
    • Integrated ±50V dc Protection for VBUS/GND
    • Integrated ±40.7V dc Protection for D+/D-
    • Thermal Shutdown Protected
    • -40°C to +105°C Operating Temperature
  • High Performance
    • High (480Mb), Full (12Mb), and Low (1.5Mb) Speed Capable
    • 3.0V to 5.5V Supply Voltage
    • 4Ω (typ) VBUS/D+/D- channel resistance
    • 1Ω (max) GND Channel Resistance
    • High-Speed USB Disable Mode Allowing Operation with High Common Mode Voltages
  • Flexibility
    • Transparent to USB Operation Speeds
    • Configurationless USB Host or Device Protection
    • Optional External MOSFET driver for VBUS and GND Paths
  • Supports USB OTG
  • Simpler Than USB Isolation

Applications/Uses

  • Diagnostic USB port
  • Industrial PC
  • Programmable Logic Controller (PLC)

MAX22505EVKIT: Evaluation Kit for the MAX22505

Tools & Models

  • MAX22505 IBIS Model
  • CAD Symbols and Footprints

  • MAX22505GTG+
  • MAX22505GTG+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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