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MAX31760AEE+

2-ch fan controller, NVRAM LUT, QSOP-16

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Manufacturer Part：

MAX31760AEE+

Package：

QSOP-16 (4.9 x 3.9 x 1.5 mm)

Brand：
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Description

Product Overview

The MAX31760AEE+ from Analog Devices (formerly Maxim) is a precision fan-speed controller with nonvolatile lookup table for automatic fan control, supporting 2 PWM fan outputs in QSOP-16 package.

Key Specifications

Fan Channels 2 (PWM fan control outputs)
Fan Control Method PWM duty cycle
Lookup Table Nonvolatile (NVRAM, 8 entries)
Temperature Input Remote diode or internal sensor
PWM Frequency Programmable (10Hz to 100kHz)
Fan Fault Detection Yes (stalled/underspeed/overspeed)
Interface SMBus/I2C compatible
Supply Voltage 3.0V to 3.6V (3.3V typical)
Supply Current 2.5 mA typical
Package QSOP-16 (AEE suffix)
Operating Temperature -40 to +125 C

Features

  • Nonvolatile lookup table stores fan curves without host intervention
  • 2 PWM fan outputs for independent dual-fan control
  • Remote diode temperature sensing for CPU/GPU monitoring
  • Fan fault detection with interrupt alert
  • SMBus/I2C interface for system management

Applications

  • Server and workstation fan control
  • Telecom equipment thermal management
  • Desktop PC CPU/GPU fan control
  • Industrial rack cooling management
  • Storage system fan speed regulation

The MAX31760AEE+ from Analog Devices (formerly Maxim Integrated) is a precision fan-speed controller with nonvolatile lookup table (LUT) that stores up to 8 temperature-to-fan-speed mapping entries, enabling autonomous fan control without continuous host CPU intervention. The device supports 2 independent PWM fan control outputs, a remote diode temperature sensor input for direct CPU/GPU die temperature measurement, and an internal temperature sensor. Fan fault detection identifies stalled, underspeed, or overspeed conditions and generates an interrupt. The SMBus/I2C interface allows system management software to monitor and override fan operation. The AEE suffix denotes QSOP-16 package and + indicates lead-free finish.

The MAX31760AEE+ operates as a precision fan-speed controller. (1) The device measures temperature using either the internal sensor or a remote thermal diode (typically on the CPU or GPU die). The remote diode measurement uses a switched-current technique that compares the forward voltage drop at two different bias currents to determine the diode temperature with +/-1C accuracy. (2) The nonvolatile lookup table (LUT) maps temperature ranges to PWM duty cycles. When the measured temperature falls within a LUT entry range, the corresponding PWM duty cycle is automatically applied to the fan output. This autonomous operation continues without host intervention, reducing system management overhead. (3) The 2 PWM outputs are independently programmable with 8-bit duty cycle resolution (0.4% steps). The PWM frequency is configurable from 10Hz to 100kHz to match different fan types. Fan fault detection monitors the TACH input from each fan and triggers an interrupt if the fan speed deviates from the expected range, indicating a stalled or failing fan.

Pin Name Function
1 SCL SMBus/I2C clock
2 SDA SMBus/I2C data
3 FAN1 PWM output for fan 1
4 TACH1 Tachometer input from fan 1
5 GND Ground
6 FAN2 PWM output for fan 2
7 TACH2 Tachometer input from fan 2
8 VDD 3.3V power supply
9 D- Remote diode cathode
10 D+ Remote diode anode
11-16 Misc INT, ADDR, NC, test pins
  • Server and workstation fan control with NVRAM LUT for autonomous operation
  • Telecom equipment thermal management with dual-fan PWM control
  • Desktop PC CPU/GPU fan control with remote diode temperature sensing
  • Industrial rack cooling management with fan fault detection
  • Storage system fan speed regulation with SMBus/I2C interface
Model Manufacturer Key Difference
MAX31760AEE+T ADI Same, tape and reel packaging
MAX6639MEE+T ADI 2-fan, 2-temp, similar function
ADM1032ARQZ-REEL7 ADI Remote temp, no fan control
NCT7802Y Nuvoton Multi-fan, HWM, QFN-24
EMC2305 Microchip 5-fan controller, I2C, QFN
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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  • Air Freight: 7 – 12 working days
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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

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5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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2. Classified Professional Packaging

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  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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