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MAXIM MAX31760AEE+ product image
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MAXIM MAX31760AEE+RoHS

Manufacturer
MAXIM
MPN
MAX31760AEE+
LCSC Part #
C400159
Packaging
QSOP-16-150mil
Customer #
Key Attributes
Precision Fan-Speed Controller with Nonvolatile Lookup Table
Datasheetpdf iconMAXIM MAX31760AEE+
In-Stock: 68
68 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.8728$ 4.87
10+$ 4.3568$ 43.57
30+$ 4.0485$ 121.46
100+$ 3.7386$ 373.86
500+$ 3.5958$ 1797.90
1,000+$ 3.5309$ 3530.90
Standard Packaging100/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Motor Drivers, Controllers
ManufacturerMAXIM
PackagingQSOP-16-150mil
Number of H-bridges-
Features-
Technology-
Operating temperature-40℃~+125℃
Voltage - Supply3V~3.6V
Quiescent Current(Iq)3mA
Output Current-
Peak Current-
RDS(on)-
InterfaceI2C
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging100
Sales UnitPiece

Introduction

AI Translation

The MAX31760 integrates temperature sensing along with precision PWM fan control. It accurately measures its local die temperature and the remote temperature of a discrete diode-connected transistor, such as a 2N3906, or a thermal diode commonly found on CPUs, graphics processor units (GPUs), and other ASICs. Multiple temperature thresholds, such as local high/overtemperature (OT) and remote high/overtemperature, can be set by an I2C-compatible interface. Fan speed is controlled based on the temperature reading as an index to a 48-byte lookup table (LUT) containing user-programmed PWM values. The flexible LUT-based architecture enables the user to program a smooth nonlinear fan speed vs. temperature transfer function to minimize acoustic fan noise. Two tachometer inputs allow measuring the speeds of two fans independently. The FF/FS pin multiplexes an open-drain fan-failure output with a full-speed fan-drive input. When the local or remote OT threshold is exceeded, the SHDN pin is asserted low and can be used to shut down the system. A dedicated ALERT pin reports that either a local or remote high temperature threshold has been exceeded. ALERT can be programmed to work in either fault indicator mode or interrupt mode. These features make the device a compact and complete solution for a single-fan or two-fan cooling system.

Features

AI Translation
  • Operating Settings Stored in Nonvolatile Memory for Automatic Operation at Power-On
  • 48-Step Nonvolatile LUT Maps Temperature to PWM Duty Cycle
  • Smooth PWM Duty-Cycle Transitions Minimize Audibility of Fan Noise
  • Two Tachometer Inputs for Measuring the RPM of Two Fans Independently
  • FF/FS Pin Multiplexes Fan-Failure Output with Full-Speed Fan-Drive Input
  • Accurately Senses Remote and Local Temperature
  • Programmable Thermal Diode Ideality Factor Minimizes Ideality Factor Mismatch
  • Automatic Series Resistance Cancellation
  • Dedicated ALERT Pin for Temperature Faults
  • SHDN Pin Available for System Overtemperature Shutdown
  • 3.0V to 3.6V Operating Voltage Range
  • -40°C to +125°C Operating Temperature Range

Applications

AI Translation
  • Servers
  • Networking Equipment
  • STB/DVR NAS/DAS