MAX17523

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MAX17523

4.2V to 36V, 1A Current Limiter with OV, UV, Reverse Voltage Protection

Industry's Most Integrated OCP and OVP Solution with More Robust Reverse Current Blocking Capability

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Features

Industrial Power Protection Increases Robustness
- Wide Input Supply Range: +4.5V to +36V (MAX17523), +4.2V to +36V (MAX17523A)
- Negative Input Tolerance to -36V
- Low R_ON 190mΩ (typ)
- Reverse Current Flow Control Input
- Thermal Overload Protection
- Extended -40°C to +125°C Temperature Range
Flexible Design Options Eases Designs
- Adjustable OVLO and UVLO Thresholds
- Programmable Forward-Current Limit: 0.15A to 1A
- Programmable Overcurrent Fault Response: Autoretry, Latch-Off, and Continuous
- Dual Enable Inputs: EN and High Voltage Active-Low HVEN
Saves Space
- 16-Pin, 3mm x 3mm, TQFN Package

Additional Details

The Olympus series of ICs are the industry’s smallest and robust integrated system protection solutions. The MAX17523/MAX17523A adjustable overvoltage and overcurrent protection device is ideal for protecting systems against positive and negative input voltage faults up to ±40V, and feature low 190mΩ (typ) R_ON integrated FETs.

The adjustable overvoltage range in MAX17523 is between 6V and 36V, while the adjustable undervoltage range is between 4.5V and 24V. The adjustable overvoltage range in MAX17523A is between 6V and 36V, while the adjustable undervoltage range is between 4.2V and 24V. The overvoltage-lockout (OVLO) and undervoltage-lockout (UVLO) thresholds are set using optional external resistors. The factory preset internal OVLO threshold is 33V (typ), and the preset internal UVLO threshold is 19V (typ).

The MAX17523/MAX17523A also feature programmable current-limit protection up to 1A. The device can be set for autoretry, latch-off, or continuous fault response when an overcurrent event occurs. Once current reaches the threshold, the MAX17523/MAX17523A turn off after 21ms (typ) blanking time, and stay off during the retry period when set to autoretry mode. The devices latch off after the blanking time when set to latch-off mode. The devices limit the current continuously when set to continuous mode. The MAX17523/MAX17523A also feature reverse current and thermal shutdown protection.

The MAX17523 and MAX17523A are available in a small, 16-pin (3mm x 3mm) TQFN package. The MAX17523 operates over the -40°C to +125°C extended temperature range.

Applications

Condition Monitoring
Factory Sensors
Process Analytics
Process Instrumentation
Sensor Systems
Weighing and Batching Systems

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Submit your question below and we will return the best answer from ADI’s knowledge database:

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Support

Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.

Visit the ADI Support Page

Ask the ADI community for help.

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FAQs

Sales & Ordering FAQs

Part Models 2

1ku List Price Starting From $2.10

Technical Documents 8

MAX17523: 4.2V to 36V, 1A Current Limiter with OV, UV, Reverse Voltage Protection Data Sheet (Rev.5) 06/24/2022

MAX17523 Reliability Data 01/12/2023

How to Add Reverse Current to the MAX15090B/MAX15090C for Hot-Swap with Integrated FET Applications 12/13/2017

Simple Methods for Limiting Current Using an Integrated MOSFET 01/04/2023

Highly Efficient Power-Management Architectures for Aftermarket Transportation Electronics 10/19/2018

How Protection ICs Maintain System Uptime 05/23/2019

Addressing Power Supply Challenges for After-Market Electronics and Infrastructure 09/10/2018

Complete System Power Protection Design Guide 04/02/2020

Design Resources 2

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
MAX17523ATE+	16-LFCSP-3X3X0.75	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
MAX17523ATE+T	16-LFCSP-3X3X0.75	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys

MAX17523ATE+
Pin/Package Drawing
16-LFCSP-3X3X0.75
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

MAX17523ATE+T
Pin/Package Drawing
16-LFCSP-3X3X0.75
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

PCN/PDN Information

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PCN

Apr 27, 2024

- 2400

ASSEMBLY

MAX17523ATE+

PRODUCTION

MAX17523ATE+T

PRODUCTION

pdf

pcn_2400

Filter by Model

Part Models

Product Lifecycle

PCN

Apr 27, 2024

- 2400

ASSEMBLY

MAX17523ATE+

PRODUCTION

MAX17523ATE+T

PRODUCTION

pdf

pcn_2400

Companion Parts 1

Parts	Product Life Cycle	Description
Product1
MAX14588	NOT RECOMMENDED FOR NEW DESIGNS	1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy

MAX17523AEVKIT

Evaluation Kit for the MAX17523A

MAX17523AEVKIT

Evaluation Kit for the MAX17523A

Features and Benefits

4.2V to 36V Operating Voltage Range
Features a TVS Diode Across the Input and a Schottky Diode Across the Output Terminals
Internal UVLO Programmed to 18.5V
Internal OVLO Programmed to 33V
Evaluates Three Current-Limit Types: Current-Limit Threshold, OVLO, and UVLO
Jumper-Configurable Current-Limit (Selected as 1A by Default)
Current-Limit Mode Set To Autoretry by Default
Proven PCB Layout
Fully Assembled and Tested

Buy Now View Details

Product Detail

The MAX17523A evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the MAX17523A, a 4.2V to 36V, 1A, current limiter with OV, UV, and reverse voltage protection in a 16-pin TQFN package. The EV kit features a TVS diode on input and a Schottky diode on output. Input power to the EV kit uses a 4.2V to 36V input supply.

The EV kit circuit can be configured to demonstrate the device’s different current-limit types, adjustable overvoltage, undervoltage, and different current-limit thresholds.

Resources

ZIP

MAX17523AEVKIT ODB Files - Design Files

2.26M

PDF

MAX17523AEVKIT BOM

41.43K

PDF

MAX17523AEVKIT PCB

942.49K

PDF

MAX17523AEVKIT Schematic

20.87K

MAX17523EVKIT

Evaluation Kit for the MAX17523

MAX17523EVKIT

Evaluation Kit for the MAX17523

Features and Benefits

4.5V to 36V Operating Voltage Range
Features TVS Diode and Schottky Diode
Evaluates Three Current-Limit Types, Current-Limit Threshold, OVLO, and UVLO
Proven PCB Layout
Fully Assembled and Tested

Buy Now View Details

Product Detail

The MAX17523 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the MAX17523 adjustable overcurrent and overvoltage protector. The EV kit features TVS diode on input and Schottky diode on output. Input power to the EV kit uses a 4.5V to 36V input supply.

The EV kit circuit can be configured to demonstrate the device’s different current-limit types, adjustable overvoltage, undervoltage, and current-limit threshold.

Applications

Condition Monitoring
Factory Sensors
Process Analytics
Process Instrumentation
Sensor Systems
Weighing and Batching Systems

MAX17523AEVKIT

Evaluation Kit for the MAX17523A

MAX17523EVKIT

Evaluation Kit for the MAX17523

LTspice 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.