MAX22505

PRODUCTION

±40V High-Speed USB Port Protector

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

Data Sheet (Rev. 2) Product Selection Table
Part Models
2
1ku List Price
Starting From $1.95
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Part Details

  • 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
MAX22505
±40V High-Speed USB Port Protector
MAX22505: Application Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAX22505EVKIT

Evaluation Kit for the MAX22505

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Features and Benefits

  • Derives Power From a USB Host
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX22505 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX22505 ±40V USB port protector.

The EV kit consists of 3 independent sections: A highpower peripheral section, a low-power peripheral section, and a high-power host section. Each section demonstrates protecting a USB bus from overvoltage conditions on the USB lines.

The high-power peripheral section adds external MOSFET switches to the low-power peripheral circuit, reducing losses to power delivered to the peripheral.

The EV kit powers completely from the USB host, such as a laptop, and requires no other power source. For peripheral applications, an isolated supply is offered for convenience but is not necessary in customer applications. Test access points are provided to optionally power each circuit section externally.

Applications

  • Diagnostic USB port
  • Industrial PC
  • Programmable Logic Controller (PLC)
MAX22505EVKIT
Evaluation Kit for the MAX22505

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