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See Technical Specifications

EMC2301-1-ACZL-TR

Board Mount Temperature Sensors Single RPB-Based PWM Fan Speed CNTRL

Manufacturer:

MICROCHIP
Mfr.Part #:

EMC2301-1-ACZL-TR
Datasheet:

EMC2301-1-ACZL-TR Datasheet (PDF)
Function:

Fan Control
Interface:

PWM
Applications:

Networking and Communications
Voltage - Supply:

3V ~ 3.6V
EDA/CAD Models:

Request Free CAD Models for EMC2301-1-ACZL-TR

Email: [email protected]

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EMC2301-1-ACZL-TR General Description

The EMC2301 is an SMBus compliant fan controller with a PWM fan driver. The fan driver is controlled by a programmable frequency PWM driver and Fan Speed Control algorithm that operates in either a closed loop fashion or as a directly PWM-controlled device.

Each closed loop Fan Speed Control algorithm (FSC) has the capability to detect aging fans and alert the system. It will likewise detect stalled or locked fans and trigger an interrupt.

Additionally, the EMC2301 offers a clock output so that multiple devices may be chained and slaved to the same clock source for optimal performance in large distributed systems.

Key Features

4-wire fan compatible
High speed PWM (26 kHz)
Low speed PWM (9.5Hz - 2240 Hz)
Optional detection of aging fans
Fan Spin Up Control and Ramp Rate Control
Alert on Fan Stall
Watchdog Timer
0.5% accuracy from 500 RPM to 16k RPM (external crystal oscillator)
1% accuracy from 500 RPM to 16k RPM (internal clock)
SMBus Alert compatible
CLK Pin can provide a clock source output
Available in an 8-pin MSOP RoHS Compliant package
Servers
Projectors
Industrial and Networking Equipment
Notebook Computers

Specifications

Motor Type - Stepper	-	Motor Type - AC, DC	-
Function	Fan Control	Output Configuration	-
Interface	PWM	Technology	-
Step Resolution	-	Applications	Networking and Communications
Current - Output	-	Voltage - Supply	3V ~ 3.6V
Voltage - Load	-	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount