ah292 Diodes, Inc., ah292 Datasheet
ah292
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ah292 Summary of contents
Page 1
... AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR General Description AH292 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-collector transistors for motor’s coil driving, automatic lock current shutdown, and recovery protections. In addition a Frequency generator (FG) output is also available for speed detection ...
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... Pin Assignment Pin Descriptions Symbol Block Diagram Vdd 2 Regulator Hall Plate AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR Vdd AH292 2 GND DOB SOT89-5L Description FG Frequency Generation Input Power Output Pin DOB Output Pin GND Ground Lock shutdown ...
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... The R, C value need to be fine tuned based on coils design . 1.8V/5.75V DC Brush-less Fan with FG output function Absolute Maximum Ratings Characteristics Operating Supply Voltage Output Current Power Dissipation Operating Temperature Storage Temperature Maximum Junction Temperature AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR 292 D1 Coil ...
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... The output of IC will be switched after the supply voltage is over 1.8V, but the magnetic characteristics won't be normal until the supply is over 2.0V. Truth Table IN- IN Magnetic Characteristics Characteristics Operation Point Release Point Hysteresis AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR = 25 ° 5V, unless otherwise specified ) A dd Symbol Conditions V Operating dd I Operating dd T lrp-on T lrp-off I ...
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... Operating Characteristics DOB Brp 0 Magnetic Flux Density in Gauss AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR OFF OFF OP RP Vsat Vsat Bop Magnetic Flux Density in Gauss S Marking side N ( SOT25 ) www.diodes.com AH292 CONTROLLER ...
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... D P (mW) D 900 800 700 600 500 400 300 200 100 0 0 Marking Information (1) SOT89-5L AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR 576 512 480 448 115 120 125 130 224 192 160 128 Power Dissipation Curve ...
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... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AH292 Rev. 3 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR (unit: mm) ...