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| AH282 Hall-Effect Smart Fan Motor Controller Features - On chip Hall sensor - Rotor-locked shutdown - Automatically restart - Frequency generator (FG) output - Buil t-in Zener protection for output driver - Operating voltage: 10V~20V, driver start up: 8V (minimum) - Output current: IO( AVE ) = 300 mA General Description AH282 is a monolithic fan motor controller with Hall sensor's capability. It contains two complementary open-collector transistors as motor coil drivers, automatic lock current shutdown, and recovery protections. Additional, frequency generator (FG) output is for speed detection relatively. To avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver if the rotor is blocked and then the automatic recovery circuit will try to restart the motor. This function repeats while the rotor is blocked. Until the blocking is removed, the motor recovers running normally. - Package: SIP-5L, SOT89-5L Pin Configuration 282 ( Front View ) 1 : FG 2 : VCC 3 : DO 4 : DOB 5 : GND 123 45 Pin Descriptions Symbol Description FG VCC DO DOB GND Frequency generation Input power Output pin Output pin Ground SIP-5L VCC 1 GND 2 DO 3 SOT89-5L AH282 7 DOB 4 5 FG Ordering Information AH282 X - X X X Wafer Body Blank or A~Z : if necessary to specify Package P: SIP-5L Y: SOT89-5L Lead L : Lead Free Blank: Normal Packing Blank : Tube or Bulk A : Tape & Reel This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 0.4 Apr 16, 2004 1/7 AH282 Hall-Effect Smart Fan Motor Controller Block Diagram (SIP5) VCC 2 Lock shutdown and Automatic recovery Regulator 3 Hall Plate DO Amp. Control Logic 4 DOB 5 GND 1 FG Typical Application Circuit D1 Vcc (12V) R pu + 282 Coil2 1 2 3 4 5 C1 10uF Coil1 FG GND 12V DC Brush-less Fan with FG output function Anachip Corp. www.anachip.com.tw 2/7 Rev 0.4 Apr 16, 2004 AH282 Hall-Effect Smart Fan Motor Controller Absolute Maximum Ratings Characteristics (Ta = 25C) Symbol Rating Unit Output Zener-breakdown Voltage Operating Supply Voltage Output Current Power Dissipation Operating Temperature Storage Temperature Maximum Junction Temp. PD Vz VCC IO(AVE) IO(PEAK) SIP5 SOT89-5 Topr Tstg Tj 38 28 300 400 550 800 -20 ~ 100 -55 ~ 150 150 V V mA mW C C C Electrical Characteristics (Ta = 25 C, VCC = 12V, unless otherwise notice) Characteristics Symbol Conditions Min. Typ. Max. Unit Supply Voltage Supply current Locked Protection On Locked Protection Off Output saturation voltage Output On resistance FG output Vds Vcc Icc Tlrp-on Tlrp-off VOUT( sat ) Rds(on) Vol Operating Operating 10 2 0.4 2.4 375 625 2.6 0.5 20 4 V mA Sec Sec IO=150mA IO=250mA IO=10mA - - mV ohm V Magnetic Characteristics (Ta = 25 C, VCC = 12V, unless otherwise specified) (1mT=10 Gauss) Characteristics Symbol Min. Typ. Max. Unit Operate Point Release Point Hysteresis Bop Brp Bhy -60 - 30 -30 60 60 - Gauss Gauss Gauss Anachip Corp. www.anachip.com.tw 3/7 Rev 0.4 Apr 16, 2004 AH282 Hall-Effect Smart Fan Motor Controller Operating Characteristics DOB Output Voltage in Volts Output Voltage in Volts 12 10 8 6 4 ON Brp 0 2 Bop OP DO 12 10 8 6 4 RP Brp 0 2 Bop ON RP OFF OFF OP Magnetic Flux Density in Gauss Magnetic Flux Density in Gauss Performance Characteristics (SIP5) Ta (C) 25 50 60 70 80 85 90 95 100 105 110 115 120 Pd (mW) 550 440 396 352 308 286 264 242 P d (m W ) 600 500 400 300 200 100 0 25 50 75 P o w e r D is s ip a tio n C u rve 220 198 176 154 132 100 125 150 T a ( C ) Anachip Corp. www.anachip.com.tw 4/7 Rev 0.4 Apr 16, 2004 AH282 Hall-Effect Smart Fan Motor Controller Marking Information (1)SIP-5L ( Top View ) Part Number 282 X XX X X Blank : normal L : Lead Free Package ID Code Nth week: 01~52 Year: "1" = 2001 "2" = 2002 ~ (2)SOT89-5L 5 4 7 282 Y M X 1 2 3 ID code A~Z: Non-Lead Free a~z : Lead Free M : Month: A~L Y : Year: 0-9 Anachip Corp. www.anachip.com.tw 5/7 Rev 0.4 Apr 16, 2004 AH282 Hall-Effect Smart Fan Motor Controller Package Information (1)Package type: SIP-5L ( unit: mm / [inch] ) 5.22 0.1 [0.206 0.003] 2 ~ 3 2-0.3C [0.079-0.012C] 2 ~ 5 1.55 0.1 [0.061 0.003] 4.2 REF [0.165 REF] 0.73 0.1 [0.029 0.003] 2 ~ 5 2 ~ 3 3.65 0.1 [0.144 0.003] 0.48 0.1 [0.019 0.003] 14.3 0.3 [0.563 0.012] 0.38 0.03 [0.015 0.001] 0.95 0.03 [0.037 0.001] 0.38 0.03 [0.015 0.001] Location of Sensing Point 2.006 mm [0.079 inch] ( Top View) 1.016 mm [0.04 inch] 1 2 3 4 5 Anachip Corp. www.anachip.com.tw 6/7 Rev 0.4 Apr 16, 2004 AH282 Hall-Effect Smart Fan Motor Controller (2) Package type: SOT89-5L A C D F E B K J F L I H G Package Sensor Location Y X Symbol A B C D E F G H I J K L X Y Dimensions In Millimeters Min. Nom. Max. 4.40 4.50 4.60 4.05 4.15 4.25 1.50 1.60 1.70 1.30 1.40 1.50 2.40 2.50 2.60 0.80 3.00 Ref. 1.50 Ref. 0.40 0.46 0.52 1.40 1.50 1.60 0.35 0.39 0.43 5o Typ. 1.90 1.65 - Dimensions In Inches Min. Nom. Max. 0.173 0.177 0.181 0.159 0.163 0.167 0.059 0.063 0.067 0.051 0.055 0.059 0.094 0.098 0.102 0.031 0.118 Ref. 0.059 Ref. 0.016 0.018 0.020 0.055 0.059 0.063 0.014 0.015 0.017 5o Typ. 0.075 0.065 - Anachip Corp. www.anachip.com.tw 7/7 Rev 0.4 Apr 16, 2004 |
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