MAX14919A

RECOMMENDED FOR NEW DESIGNS

Industrial-Protected Quad-Channel Low-Side Switch

Industry's Most Robust, Fastest Low-Side Switch

Data Sheet (Rev. 5) Product Selection Table
Part Models
4
1ku List Price
Starting From $1.81
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Part Details

  • 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
MAX14919A
Industrial-Protected Quad-Channel Low-Side Switch
MAX14919-MAX14919A Typical Application Circuit MAX14919-MAX14919A Typical Application Circuit MAX14919-MAX14919A 20 Pin TQFN MAX14919-MAX14919A 20 Pin TSSOP
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Documentation

Data Sheet 1

Technical Articles 1

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Software Resources

Device Drivers 1

Tools & Simulations

Software Development 2

IBIS Model 1

Evaluation Kits

eval board
schematic 1
MAX14919EVKIT

Evaluation Kit for the MAX14919

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Features and Benefits

  • Robust Operation with a Wide Range of Input Voltages and Load Conditions
  • Surge Protection with Up To ±1kV IEC61000-4-5 at Optional Field Supply Input and Output to Ground
  • LED Indication of Fault and Reverse-Current Detect conditions
  • Multiple Fault-Condition Indications
    • Reverse-Current Detection
    • Undervoltage Lockout on V5 Output
    • Short Detection on RCLIM Control Input
    • Thermal Shutdown Fault
  • Includes a FET for Output Reverse-Current Protection
  • Inrush Current Control to Allow up to 2x the Maximum Load Current
  • Resistor-Selectable Options to Set Maximum Allowable Load Current
  • +1.8V to +5.5V Wide Logic-Voltage Range
  • +3V to +5.5V Isolated Supply Input Range
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX14919 evaluation kit (EV kit) provides a proven design to evaluate the MAX14919 industrial-grade quad low-side switch with 140mΩ (typ) RON and ±1kV/42Ω surge protection.

The MAX14919 EV kit features an isolated power and signal interface to provide pin-level control of the four lowside switches in the MAX14919. The EV kit also features reverse-current protection to prevent damage caused by miswiring faults at output and return terminals.

The EV kit comes with the MAX14919AUP+ (20 TSSOP-EP, 6.5mm x 6.4mm footprint) device installed.

Applications

  • Industrial Digital Outputs
  • Motor Control
  • PLC and DCS Systems
  • Relay and Solenoid Drivers
MAX14919EVKIT
Evaluation Kit for the MAX14919
MAX14919EVKIT: Board Photo

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