MAX14919ATP+T

$1.92

Description：QUAD INDUSTRIAL LOW SIDE SWITCH
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)

SKU:438c0185b150 Category: Power Distribution Switches, Load Drivers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：QUAD INDUSTRIAL LOW SIDE SWITCH
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)
Switch Type：General Purpose
Number of Outputs：4
Ratio - Input:Output：1:01
Output Configuration：Low Side
Output Type：-
Interface：Logic
Voltage - Load：4.5V ~ 5.5V
Voltage - Supply (Vcc/Vdd)：Not Required
Current - Output (Max)：-
Rds On (Typ)：140mOhm
Input Type：-
Features：Shutdown
Fault Protection：Over Temperature, Reverse Current, Short Circuit, UVLO
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：20-TQFN (4x5)
Package / Case：20-WFQFN Exposed Pad
Grade：-
Qualification：-

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MAX14919ATP+T

Overview

The MAX14919ATP+T is a quad industrial low-side switch manufactured by Analog Devices Inc./Maxim Integrated. It features four N-channel outputs with a maximum current of 800mA per channel and a typical on-resistance of 140 milliohms. The device operates within a load voltage range of 4.5V to 5.5V and includes an integrated 5V regulator output. Protection mechanisms include overtemperature, reverse current, short circuit, and UVLO. It utilizes a non-inverted parallel interface and is housed in a 20-WFQFN (4x5) package with exposed pad for surface mount installation.

Feature Summary

Integrates ±1kV/42Ω surge protection for robust industrial operation
Provides status flag indication for fault monitoring
Includes internal 5V linear regulator for auxiliary power supply

Applications

Industrial relay driver circuits
Solenoid actuation systems
Power distribution units in harsh environments

Procurement Notes

Verify the specific suffix 'AATP' against the official datasheet to confirm pinout and thermal characteristics. Ensure the component meets RoHS standards as indicated by the '+T' designation. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit parts. Confirm that the 20-TQFN package dimensions align with your PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component when a compact solution for driving multiple low-side loads is required. It is suitable for applications needing high surge immunity and integrated diagnostics. Consider the 140mΩ on-resistance for efficiency calculations. Verify that the 800mA continuous current rating meets the load requirements. The integrated 5V regulator may eliminate the need for external components in some designs.

Part Context

The MAX14919 belongs to Maxim's industrial power switch family, designed for demanding environments. It complements other switches like the MAX14917 and MAX14916, which offer high-side configurations. This specific model focuses on low-side switching with enhanced protection features. It is part of the broader portfolio of power management ICs from Analog Devices/Maxim Integrated.