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High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

Ultra Robust, Configurable Driver facilitates High Speed and Safety Digital I/O module Designs

产品详情

主要特征

Parametric specs for Digital I/O
Digital Input/Output Digital I/O
Interface Type CMOS
# Channels 1
VSUPPLY (V) (min) 10
VSUPPLY (V) (max) 40
ISUPPLY (µA) (typ) 0.6
Digital Input Type Type 1
Type 2
Type 3
Current Limit (A) (min) 0.135
Current Limit (A) (max) 2.6
Min. Detectable Field Input Pulse Width (µs) 0.8
Load Current (A) (max) 1.3
Oper. Temp. (°C) -40 to +125
Package/Pins TQFN/16
Budgetary
Price (See Notes)
2.06
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参量

Parametric specs for Digital I/O
Digital Input/Output Digital I/O
Interface Type CMOS
# Channels 1
VSUPPLY (V) (min) 10
VSUPPLY (V) (max) 40
ISUPPLY (µA) (typ) 0.6
Digital Input Type Type 1
Type 2
Type 3
Current Limit (A) (min) 0.135
Current Limit (A) (max) 2.6
Min. Detectable Field Input Pulse Width (µs) 0.8
Load Current (A) (max) 1.3
Oper. Temp. (°C) -40 to +125
Package/Pins TQFN/16
Budgetary
Price (See Notes)
2.06

主要特征

  • Reduces Power and Heat Dissipation
    • 240mΩ (max) HS RON at TA = 125°C
    • Accurate Short-Circuit Current Limit
    • Accurate Internal Current Limiter for Types 1, Type 2, and Type 3 Digital Inputs
  • Enhances System Robustness
    • “Safe-Demagnetization” for Safe Turn-Off of Unlimited Inductance
    • 60V Supply Tolerance
    • Loss of GND Protection
    • Thermal Shutdown Protection
    • ±2kV IEC 61000-4-5 Surge Protection
    • ±20kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±7kV IEC 61000-4-2 Contact ESD Protection
    • -40°C to +125°C Ambient Operating Temperature
  • Reduces BOM Count and PCB Space
    • Small 4x4 TQFN Package
    • Internal Clamps for Fast Inductive Load Turn-Off
    • On-Chip 5V Regulator
  • Provides Flexibility
    • Configurable as a Digital Input or a High-Side or Push-Pull Digital Output
    • Resistor Settable Current Limiting for the High-Side Switch (135mA - 1.3A)
    • 10V to 40V Operating Supply Range
  • Improves System Speed and Throughput
    • Propagation Delay of Less Than 2µSec

应用/用途

  • Configurable Digital Input/Output
  • Industrial Digital Outputs and Inputs Modules
  • Motor Control
  • Safety Systems

描述

The MAX14914 is a high-side/push-pull driver that operates as both an industrial digital output (DO) and an industrial digital input (DI). The MAX14914 is specified for operation with supplies up to 40V. The high-side switch current is resistor settable from 135mA (min) to 1.3A (min). The high-side driver’s on-resistance is 120mΩ (typ) at 125°C ambient temperature. Optional push-pull operation allows driving of cables and fast discharge of load capacitance. The output voltage is monitored and indicated through the active-low DOI_LVL pin for safety applications.

The MAX14914 complies with Type 1, Type 2, or Type 3 input characteristics when configured for DI operation.

Design Solution: Finally – Digital IO Means Digital IO! ›

简化框图

MAX14914: Functional Diagram MAX14914: Functional Diagram Zoom icon

Technical Docs

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在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心