DistyParts Icon
MAX31785ETL+ The MAX31785ETL+ from Analog Devices is a 6-channel intelligent fan controller. It offers automatic closed-loop fan speed control and supports up to 11 temperature sensors.
Mfr Part #:

MAX31785ETL+

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX31785ETL+ from Analog Devices is a 6-channel intelligent fan controller. It offers automatic closed-loop fan speed control and supports up to 11 temperature sensors.
✓ Total Stock: 7,867 pcs
$ Price Range: $2.25

MAX31785ETL+ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
7,861 pcs
On Request
7861 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
6 pcs
On Request
6 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX31785ETL+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Features
Function
Interface
Motor Type
Mounting Type
Operating Temperature
Output Configuration
Package / Case
SVHC Present
Supplier Device Package
Voltage
View Similar Products (0)

MAX31785ETL+ Description

Short technical summary and product information.

The MAX31785ETL+ is a 6-channel intelligent fan controller designed by Analog Devices / Maxim Integrated. It provides automatic closed-loop fan speed control, saving system power by operating fans at the lowest necessary speeds. This leads to reduced audible noise and extended fan life.

 

The device supports up to 11 temperature sensors, including internal and external thermal diodes, and can adjust the speeds of six independent fans based on temperature readings. It also offers an optional manual mode for external host control. Features include fan-fault detection, a fan-health status meter, and dual tachometer support for up to 12 fans.

 

With a supply voltage range of 2.7V to 5.5V and an operating temperature range of -40°C to 85°C, the MAX31785ETL+ is suitable for various applications. It communicates via an I2C/SMBus-compatible serial bus and is housed in a 40-WFQFN Exposed Pad package, specifically a 40-TQFN (6x6) supplier device package. Mounting is via surface mount.

 

Key applications include network switches, routers, base stations, servers, smart grid network systems, and industrial controls.

MAX31785ETL+ Quick Information

Product Type: Fan Controller
Canonical Name: MAX31785ETL+ 6-Channel Intelligent Fan Controller
Subcategory: Motor Drivers, Controllers

MAX31785ETL+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX31785ETL+ Estimated Pricing

Qty Low High
1+ $2.25 $2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX31785ETL+ Features

  • Six independent fan control channels.
  • Automatic closed-loop fan speed control.
  • Supports up to 11 temperature sensors.
  • I2C/SMBus compatible interface.
  • Surface mount 40-TQFN package.

MAX31785ETL+ Applications

  • Ideal for network switches and routers.
  • Suitable for base station applications.
  • Used in server cooling systems.
  • Applicable to industrial controls.

MAX31785ETL+ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

2.7V to 5.5V.

What is the operating temperature range?

-40°C to 85°C.

What package is this part available in?

40-WFQFN Exposed Pad (also referred to as 40-TQFN 6x6).

What communication interface does it use?

I²C (also SMBus-compatible with bus timeout).

Can it control both 3-wire and 4-wire fans?

Yes, the part supports both 3-wire and 4-wire fans.

How many temperature sensors can it monitor?

Up to 11 temperature sensors: one internal, up to six external thermal diodes, and up to four I²C digital sensors.

Does this device require an external clock?

No, it requires no external clocking.

Home
Account

Categories