Current & Power Monitors & Regulators High-Accuracy, Adjustable Power Limiter

MAX17525ATP+T – High-Accuracy Adjustable Power Limiter – Analog Devices

The MAX17525ATP+T from Analog Devices is a precision power management IC designed to protect sensitive electronics from overcurrent and overvoltage events. Ideal for industrial and automotive systems, this adjustable power limiter offers robust protection with minimal design complexity, ensuring reliable operation in demanding environments. PCX supplies this active component with same-day shipping and dedicated technical support.

Key Features

• Wide Voltage Range: Operates from 5.5V to 60V
• Ultra-Low Quiescent Current: Only 1.4mA for energy-sensitive applications
• Extended Temperature Support: -40°C to 125°C operating range
• Compact Footprint: 20-TQFN (5×5) surface-mount package
• Adjustable Current Limit: User-configurable protection thresholds

Technical Details

This specialized PMIC integrates a high-accuracy power limiter with fast response circuitry. Housed in a thermally efficient 20-WQFN exposed pad package, it features programmable current monitoring and supports surface-mount assembly (SMT) processes. The device includes reverse-current blocking and fault reporting capabilities, making it suitable for mission-critical power rails.

Typical Applications

• Industrial automation control systems
• Automotive ECU power protection circuits
• Telecom base station power supplies
• Battery management systems (BMS)
• Hot-swap and surge-protection modules

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance semiconductor solutions, renowned for pushing boundaries in signal processing and power management technologies. Following its acquisition of Maxim Integrated, ADI strengthened its portfolio in precision analog and mixed-signal ICs, serving industries where reliability under extreme conditions is non-negotiable.

With over 50 years of innovation, ADI maintains rigorous quality standards certified for automotive (AEC-Q100), industrial, and aerospace applications. Their components undergo exhaustive validation to ensure consistent performance in safety-critical systems worldwide.

About Power Limiters & Specialized PMICs

Power management integrated circuits (PMICs) like power limiters actively regulate voltage and current flow to prevent damage from electrical faults. These specialized ICs are essential safeguards in modern electronics, acting as “circuit breakers” that respond within microseconds to overloads, short circuits, or voltage transients.

Unlike basic regulators, advanced PMICs offer programmable thresholds, diagnostics, and recovery features. They enable smarter power architectures in space-constrained designs while meeting stringent safety certifications for automotive, medical, and industrial equipment where system failures carry significant risks.

Packaging Options

Available in Tape & Reel (TR) for automated assembly or Cut Tape (CT) for prototyping needs. All packaging conforms to ESD-safe standards.

FAQs

Question: What’s the accuracy tolerance of the current limit setting?
Answer: Typical accuracy is ±5% across the full temperature range, per the datasheet specifications.

Question: Does this IC support daisy-chaining for multi-rail systems?
Answer: Yes, the MAX17525 includes a cascadable fault output for coordinated system protection.

Question: Is this device AEC-Q100 qualified?
Answer: While designed to automotive-grade standards, verify specific qualification status in the latest datasheet.

Question: Can I use this for 48V industrial bus applications?
Answer: Absolutely – its 60V rating makes it ideal for 48V nominal systems with surge margins.

Question: What’s the typical response time during overload events?
Answer: Fault detection and shutdown occur in under 2μs for rapid protection.

Question: Do you provide design support for this PMIC?
Answer: PCX offers complimentary datasheet access (view here) and application guidance for qualified designs.

⚠️ Disclaimer: Product images are representational; refer to datasheet for exact specifications.

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