MAX14895E

PRODUCTION

Enhanced VGA Port Protector

Fully Integrated VGA Port Protector Saves Space and Reduces Cost in Portable Applications

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Overview

  • Saves Power in Portable Applications
    • Low Quiescent Supply Current: 430µA (typ)
  • Eliminates Need for Costly External Components
    • High-ESD Protection on SDA1, SCL1, SYNCH1, SYNCV1, RED, GRN, BLU, Active-Low EN, VS
    • ±15kV Human Body Model (HBM)
    • ±8kV IEC 61000-4-2 Contact Discharge
  • Innovative Design Enables a High Level of Integration for Performance
    • Output Current-Limit Switch with Power-Off Protection
    • Low Capacitance on RGB Ports (2.2pF typ)
    • ±10mA Drive on SYNCH1, SYNCV1
  • Fully Integrated Solutions Saves Space in Portable Applications
    • DDC Outputs have Internal Pullups
    • 3mm x 3mm, 16-Pin TQFN Package

The MAX14895E integrates level-translating buffers and features RED, GRN, and BLU (RGB) port protection for VGA signals.

The device has horizontal sync (SYNCH_) and vertical synch (SYNCV_) translating buffers that convert low-level CMOS inputs from a graphics controller to meet full 5V, TTL-compatible outputs. Each output can drive ±10mA and meets the VESASM specification. In addition, the device translates the direct digital control (DDC) signals to a lower level that is safe for the graphics controller.

The device features both EN and active-low EN inputs, accepting active-high or active-low enable inputs. The device also switches and current limits the 5V supply to a VGA connector or monitor.

The RED, GRN, and BLU terminals protect graphics controller outputs against electrostatic discharge (ESD) events. All eight outputs and active-low EN have high-level ESD protection.

The MAX14895E is specified over the extended -40°C to +85°C temperature range and is available in a 16-pin, 3mm x 3mm TQFN package with exposed pad.

Applications

  • Desktops
  • Graphics Cards
  • Notebook Computers
  • Servers

MAX14895E
Enhanced VGA Port Protector
MAX14895E: Typical Operating Circuit
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Documentation

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Level Translators & Buffers 1
MAX4895E PRODUCTION VGA Port Protector
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Evaluation Kits

MAX14895EEVKIT

Evaluation Kit for the MAX14895E

Features and Benefits

  • Single 5V DC Supply
  • VGA Input and Output Connectors
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX14895E evaluation kit (EV kit) provides a proven design to evaluate the MAX14895E IC, which integrates level-translating buffers and features RED, GRN, and BLU (RGB) port protection for VGA signals. In addition, horizontal and vertical synchronization (SYNCH0, SYNCV0) inputs feature level-shifting buffers to support low-voltage CMOS or standard TTL-compatible graphics controllers.

The MAX14895E EV kit comes with the MAX14895EETE+ installed.

Applications

  • Desktops
  • Graphics Cards
  • Notebook Computers
  • Servers

MAX14895EEVKIT
Evaluation Kit for the MAX14895E

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