MAX14723

PRODUCTION

High-Accuracy, Adjustable Power Limiters

Industry's First Dynamic Power Limiters with Thermal Controlled Current Foldback

Data Sheet (Rev. 3) Product Selection Table

Part Models: 2
1ku List Price: Starting From $2.69

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Part Details

Robust, High-Power Protection Reduces System Downtime
- Wide Input Supply Range: +5.5V to +60V
- Programmable Input Supply Overvoltage Setting Up to 40V
- Thermal Foldback Current-Limit Protection
- Negative Input Tolerance to -60V (for -60V External pFET Rating)
- Low 76mΩ (typ) R_ON
- Reverse Current-Blocking Protection with External pFET
Enables Safer Startup By Preventing Overheating of FETs
- Dual-Stage Current Limiting
- 1.0x Startup Current (MAX14721)
- 1.5x Startup Current (MAX14722)
- 2.0x Startup Current (MAX14723)
Flexible Design Enables Reuse and Less Requalification
- Adjustable OVLO and UVLO Thresholds
- Programmable Forward Current Limit From 0.2A to 2A with ±15% Accuracy Over Full Temperature Range
- Normal and High-Voltage Enable Inputs (EN and Active-Low HVEN)
- Protected External pFET Gate Drive
Saves Board Space and Reduces External BOM Count
- 20-Pin, 5mm x 5mm TQFN Package
- Integrated nFET

Part Models: 2
1ku List Price: Starting From $2.69

Documentation

Data Sheet 1

MAX14721-MAX14723: High-Accuracy, Adjustable Power Limiters Data Sheet (Rev.3) 12/07/2017

Technical Articles 2

How Protection ICs Maintain System Uptime 05/23/2019

Complete System Power Protection Design Guide 04/02/2020

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. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX14723ATP+	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX14723ATP+T	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Evaluation Kits

Evaluation Kit for the MAX14721/MAX14722 and MAX14723

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Features and Benefits

5.5V to 58V Operating Voltage Range
External pMOSFET Installed
Proven PCB Layout
Fully Assembled and Tested

Product Details

The MAX14721 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the MAX14721 overvoltage, undervoltage, and overcurrent-protection device. The EV kit features an external pMOSFET and LED input/output reading. The EV kit comes with the MAX14721ATP+ installed, but can also be used to evaluate the pin-compatible MAX14722 and MAX14723 devices with IC replacement of U1. Request samples from Maxim when ordering the EV kit.

Applications

Control and Automation
High-Power Applications
Human Machine Interfaces
Industrial Power Systems
Motion System Drives

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