MAX14571
PRODUCTIONAdjustable Overvoltage and Overcurrent Protectors with High Accuracy
Industry's Most Integrated Current-Limit and Overvoltage-Protection Solutions for Up to 40V and 4.2A
- Part Models
- 4
- 1ku List Price
- Starting From $4.58
Overview
- Integrated Protection Increases System Reliability
- Adjustable OVLO and UVLO Thresholds (±3% Accurate Preset Thresholds)
- Automatic Internal and External Selection
- Programmable Forward Current Limit (Adjustable Up to 4.2A) with ±15% Accuracy
- Thermal-Shutdown Protection
- 100mΩ (typ) On-Resistance FET
- Special Features Facilitate Designs for Industrial Applications
- Wide 4.5V to 36V Operating Input Range
- Reverse-Current Flow Option for Inductive Loads
- Independent Microprocessor Enable Input (EN) and High-Voltage-Capable Input (Active-Low HVEN)
The MAX14571/MAX14572/MAX14573 adjustable overvoltage-and overcurrent-protection devices are ideal to protect systems against positive and negative input voltage faults up to ±40V and feature low 100mΩ (typ) RON FETs.
The overvoltage-protector (OVP) feature protects voltages between 6V and 36V, while the undervoltage-protector (UVP) feature protects voltages between 4.5V 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 19.2V (typ).
The ICs also feature programmable current-limit protection up to 4.2A. Once current reaches the threshold, the MAX14571 turns off after the 20.7ms (typ) blanking time and stays off during the retry period. The MAX14572 latches off after the blanking time, and the MAX14573 limits the current continuously. In addition, these devices feature reverse current and thermal-shutdown protection.
The ICs are available in a small 14-pin TSSOP (5mm × 6.5mm) package and are specified over the extended -40°C to +85°C temperature range.
Applications
- Battery-Powered Applications
- Consumer Electronics
- Industrial Equipment
- Marine Equipment
Documentation
Data Sheet 1
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 |
|---|---|---|---|
| MAX14571EUD+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX14571EUD+T | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX14571EUD/V+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX14571EUD/V+T | TSSOP_4.4 / TSSOP_6.1 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 13, 2022 - 2236A ASSEMBLY |
||
| MAX14571EUD+ | PRODUCTION | |
| MAX14571EUD+T | PRODUCTION | |
| MAX14571EUD/V+ | PRODUCTION | |
| MAX14571EUD/V+T | PRODUCTION | |
|
May 18, 2020 - 2052 DESIGN |
||
| MAX14571EUD+ | PRODUCTION | |
| MAX14571EUD+T | PRODUCTION | |
|
Dec 11, 2018 - 1754N ASSEMBLY |
||
| MAX14571EUD+ | PRODUCTION | |
| MAX14571EUD+T | PRODUCTION | |
|
Apr 20, 2026 - 2571B PIN/ERRATA |
||
| MAX14571EUD+T | PRODUCTION | |
|
Aug 5, 2021 - 2052A DESIGN |
||
| MAX14571EUD/V+ | PRODUCTION | |
| MAX14571EUD/V+T | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Request a Driver/SoftwareEvaluation Kits
Evaluation Kit for the MAX14571, MAX14572, and MAX14573
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