Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Maxim Integrated
	Product Type	Motor Driver IC
	Configuration	Automatic PWM Controller
	Mount Type	Surface
	Package Type	QSOP
	Pin Count	16
	Output Current	1mA
	Minimum Supply Voltage	3V
	Maximum Supply Voltage	5.5V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	125°C
	Standards/Approvals	RoHS
	Series	MAX6643LBBAE
	Height	0.25mm
	Length	4.98mm
	Supply Current	500μA
	Automotive Standard	No

	Select all
	Brand Maxim Integrated
	Product Type Motor Driver IC
	Configuration Automatic PWM Controller
	Mount Type Surface
	Package Type QSOP
	Pin Count 16
	Output Current 1mA
	Minimum Supply Voltage 3V
	Maximum Supply Voltage 5.5V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 125°C
	Standards/Approvals RoHS
	Series MAX6643LBBAE
	Height 0.25mm
	Length 4.98mm
	Supply Current 500μA
	Automotive Standard No

Simple, Automatic Fan-Speed Control

Internal and External Temperature Sensing

Detect Fan Failure Through Locked-Rotor Output, Tachometer Output, or Fan-Supply Current Sensing

Multiple, 1.6% Output Duty-Cycle Steps for Low Audibility of Fan-Speed Changes

Pin-Selectable or Factory-Selectable Low-Temperature Fan Threshold

Pin-Selectable or Factory-Selectable High-Temperature Fan Threshold

Spin-Up Time Ensures Fan Start

Fan-Start Delay Minimizes Power-Supply Load at Power-Up

32Hz PWM Output

Controlled Duty-Cycle Rate-of-Change Ensures Good Acoustic Performance

2°C Temperature-Measurement Accuracy

Active-Low FULLSPD/FULLSPD Input Sets PWM to 100%

Pin-Selectable Active-Low OT Output Threshold

16-Pin QSOP and 10-Pin μMAX Packages

Applications

Desktop Computers

Networking Equipment

Servers

Storage Equipment

Workstations

Maxim Integrated Motor Driver IC 16-Pin, QSOP

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