MAX6615AEE+ by Analog Devices

Dual-Channel Temperature Monitors and Fan-Speed Controllers with Thermistor Inputs


The MAX6615/MAX6616 monitor two temperature channels, either the internal die temperature and the temperature of an external thermistor, or the temperatures of two external thermistors. The temperature data controls a PWM output signal to adjust the speed of a cooling fan, thereby minimizing noise when the system is running cool, but providing maximum cooling when power dissipation increases. The fans' tachometer output signals are monitored by the MAX6615/MAX6616 to detect fan failure. If a fan failure is detected, the active-low FAN_FAIL output is asserted. The 2-wire serial interface accepts standard system management bus (SMBus™) write byte, read byte, send byte, and receive byte commands to read the temperature data and program the alarm thresholds. The programmable alarm output can be used to generate interrupts, throttle signals, or overtemperature shutdown signals. The MAX6616 features six GPIOs to provide additional flexibility. All of the GPIOs power-up as inputs, with the exception of GPIO0, which powers up as either an input or an output as determined by connecting the PRESET pin to ground or VCC. The MAX6616 is available in a 24-pin QSOP package, while the MAX6615 is available in a 16-pin QSOP package. Both devices operate from a single-supply voltage range of 3.0V to 5.5V, have operating temperature ranges of -40°C to +125°C, and consume just 500µA of supply current.

Where to Buy

Prices starting from US$3.05

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Farnell
from US$3.05
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Analog Devices
from US$3.19
473
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Newark Electronics
from US$3.50
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element14
from US$3.20
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Features

Two Thermistor Inputs
Two Open-Drain PWM Outputs for Fan-Speed Control
Local Temperature Sensor
Six GPIOs (MAX6616)
Programmable Fan-Control Characteristics
Controlled PWM Rate-of-Change Ensures Unobtrusive Fan-Speed Adjustments
Fail-Safe System Protection
Active-Low OT Output for Throttling or Shutdown
Nine Different Pin-Programmable SMBus Addresses
16-Pin and 24-Pin QSOP Packages

Specifications

Fan Controller Functions Fan Failure Detector
Interface 2-Wire/I2C/SMBus
Sensor Type Remote
Fan Control PWM
Accuracy (±°C) 1
Temp. Thresh. (°C) Programmable
Temp. Resolution (bits) 11
Package/Pins QSOP/16
BudgetaryPrice (See Notes) 2.45


MAX6615AEE+ Sensors & Transducers by Analog Devices

TEMPERATURE SENSOR 4DEG C QSOP-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Output Type Open Drain
Sensing Accuracy Range ± 4°C
Sensing Temperature Min -40°C
Sensing Temperature Max 125°C
Sensor Case Style QSOP
No. of Pins 16Pins
Supply Voltage Min 3V
Supply Voltage Max 5.5V
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Dual-Channel Temperature Monit | Analog Devices
Temperature Sensor, 4Deg C, Qsop-16 | Newark Electronics
TEMPERATURE SENSOR, 4DEG C, QSOP-16 | element14

Frequently Asked Questions

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Is the MAX6615AEE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX6615AEE+ .

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