Alternative Parts


Features and Benefits

  • 5V or 7V to 60V Supply Voltage
  • 800mA Load Current per OUT
  • Integrated 5V/30mA Linear Regulator
  • Logic Supply Input from 1.62V(min) to 5.5V(max)
  • 5V to 48V Load Voltage Range
  • Up to 500kHz Switching Rates
  • 2x Inrush Load Current Option for 10ms
  • Reduces Power and Heat Dissipation
    • 140mΩ (typ) On-Resistance per channel
    • 1.7mA (typ) Supply Current
    • Settable Load Current Limit
  • Robust Design Features
    • Internal inductive Energy Clamp at 55V(typ)
    • Short-Circuit Protection
    • Reverse Current Detection against Load-Supply Miswiring
    • ±1kV/42Ω, 8μs/20µs Surge Protection
    • ±8kV Contact and ±25kV Airgap ESD Protection
    • -40°C to +125°C Operating Ambient Temperature
  • Active-Low FAULT Indication for:
    • Thermal Overload
    • Reverse Load Current Detection
    • Undervoltage Lockout on V5 Supply
  • Compact 20-pin, 6.5mm x 6.4mm TSSOP Package
  • Compact 20-pin, 4mm x 5mm TQFN Package

Product Details

The MAX14919/MAX14919A industrial-protected quad-channel lowside switch features 140mΩ (typ) on-resistance (RON) per channel with integrated ±1kV/42Ω surge protection for robust operation.

Resistor-settable accurate current limiting provides guaranteed operating currents in the range of 100mA to 800mA. Loads that draw large activation or inrush currents are supported using the 2x inrush load-current option. The outputs can be connected in parallel to achieve higher load currents. The four switches are pin-controlled to allow for simple and fast switching of up to 500kHz.

The MAX14919/MAX14919A features reverse current detection. The MAX14919 implements reverse-current protection by driving an external FET for non-capacitive loads. The MAX14919A has reverse current indication.

Inductive loads are turned off rapidly using the internal high-voltage clamps. The switches are short-circuit and overload protected.

The MAX14919/MAX14919A quad low-side switch is available in a 6.5mm x 6.4mm footprint, 20-TSSOP package and a 4mm x 5mm footprint 20-TQFN package specified over the -40°C to +125°C operating temperature range.


  • Industrial Digital Outputs
  • Relay and Solenoid Drivers
  • PLC and DCS Systems
  • Motor Control

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Evaluation Kits (1)

Tools & Simulations

Software Development

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

Sample & Buy

Ordering FAQs

See our Ordering FAQs for answers to questions about online orders, payment options and more.


Buy Now Pricing

(**) Displayed Buy Now Price and Price Range is based on small quantity orders.


List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

Please see the latest communication from our CCO regarding lead times.



Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact with any questions regarding this Sample Site.

Price Table Help


Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.