AH286 Hall-Effect Smart Fan Motor Controller Features General Description - On chip Hall sensor - Rotor-locked shutdown - Automatically restart - Rotor-state detection (RD) output - Buil t-in Zener protection for output driver - Operating voltage: 3.8V~20 V - Output current: IO(AVE) = 500mA for SIP-5/SOT89-5 - Output current: IO(AVE) = 400mA for SOT23-5 - Package: SIP-5L, SOT23-5L, SOT89-5L AH286 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-drain transistors for motor’s coil driving, automatic lock current shutdown, and recovery protections. In addition, rotor-state detection (RD) output is for Rotor-state detection. 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. Pin Configuration Pin Descriptions Symbol ( Front View ) 286 RD Vdd DO DOB GND 1 : RD 2 : Vdd 3 : DO 4 : DOB Description Rotor-state detection Input power Output pin Output pin Ground 5 : GND 1 2 3 4 5 SIP-5L DOB 4 Vdd 5 Vdd 1 GND 2 5 RD 286 286 DO 3 74 DOB SOT89-5L 1 2 3 RD GND DO SOT23-5 Ordering Information AH286 X - X X X Wafer Body Package Lead Packing Blank or A~Z : if necessary to specify P: SIP-5L W: SOT23-5L Y: SOT89-5L L : Lead Free Blank : Bulk A : Tape & Reel (for SOT Packages Only) 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. 1.0 Sep 29, 2005 1/9 AH286 Hall-Effect Smart Fan Motor Controller Block Diagram (SIP5) Vdd 2 Lock shutdown and Automatic recovery Regulator Hall Plate 3 DO 4 DOB Control Logic Amp. 5 1 GND RD Typical Application Circuit (SIP5) D2 Vdd (12V) R pu 286 D1 Coil2 1 2 3 4 Coil1 5 GND RD (alarm) C3 Notes: R1, R2: typical 56 Ω C1, C2, C3: typical2.2 µF The R, C value need to be fine tuned base on coils design. R1 R2 C1 C2 12V DC Brush-less Fan with RD output function Anachip Corp. www.anachip.com.tw Rev 1.0 Sep 29, 2005 2/9 AH286 Hall-Effect Smart Fan Motor Controller Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Supply Voltage Rating Vdd 24 500 400 700 550 230 800 -40 ~ 100 -55 ~ 150 150 227 543 156 SIP5/SOT89-5 SOT23-5 IO(AVE) Output Current IO(PEAK) Power Dissipation SIP5 SOT23-5 SOT89-5 PD Operating Temperature Storage Temperature Maximum Junction Temp. Topr Tstg Tj Thermal Resistance SIP5 SOT23-5 SOT89-5 θjc Unit V mA mW °C °C °C °C/W Electrical Characteristics (Ta = 25 °C, Vdd = 12V, unless otherwise notice) Characteristics Symbol Conditions Min. Typ. Max. Unit Supply Voltage Vdd Operating 3.8 - 20 V Supply current Idd Operating - 2.0 4.0 mA Output Leakage Current Ioff VOUT=24V - < 0.1 10 µA Locked Protection On Tlrp-on 0.4 0.5 0.6 Sec Locked Protection Off Tlrp-off 2.4 3 3.6 Sec Output saturation voltage VOUT( sat ) IO=300mA - 375 500 IO=500mA - 625 900 Output On resistance Rds(on) IO=300mA - 1.25 1.67 ohm RD output Vds Vol IO=10mA - 0.5 - V Output Zener-breakdown Voltage Vz 35 42 60 V mV Magnetic Characteristics (Ta = 25 °C, Vdd = 12V, unless otherwise specified) (1mT=10 Gauss) Characteristics Symbol Min. Typ. Max. Unit Operate Point Bop 10 30 60 Gauss Release Point Brp -60 -30 -10 Gauss Hysteresis Bhy -- 60 -- Gauss Anachip Corp. www.anachip.com.tw Rev 1.0 Sep 29, 2005 3/9 AH286 Hall-Effect Smart Fan Motor Controller Operating Characteristics DO 12 RP Output Voltage in Volts Output Voltage in Volts DOB OFF 10 8 6 4 2 ON OP Vsat Brp 0 12 OFF 8 6 4 2 RP ON Vsat Bop Brp Magnetic Flux Density in Gauss S OP 10 0 Bop Magnetic Flux Density in Gauss S S Marking side Marking side Marking side N N N ( SOT23-5 ) ( SIP5 ) ( SOT89-5 ) Performance Characteristics (SIP5) 25 550 105 198 Ta (°C) Pd (mW) Ta (°C) Pd (mW) 50 440 110 176 60 396 115 154 70 352 120 132 80 308 125 110 85 286 130 88 90 264 135 66 95 242 140 44 100 220 150 0 P o w e r D is s ip a tio n C u rve P d (m W ) 600 500 400 300 200 100 0 0 25 50 75 100 125 150 T a (。 C ) Anachip Corp. www.anachip.com.tw Rev 1.0 Sep 29, 2005 4/9 AH286 Hall-Effect Smart Fan Motor Controller Performance Characteristics (SOT23-5) Ta (°C) 25 50 60 70 80 90 100 110 120 130 140 150 Pd (mW) 230 184 166 147 129 110 92 74 55 37 18 0 P o w e r D is s ip a tio n C u rv e P d (m W ) 300 200 100 0 0 25 50 75 100 125 150 T a (。 C ) Performance Characteristics (SOT89-5) Ta (°C) 25 50 60 70 75 80 85 90 95 100 Pd (mW) 800 640 576 512 480 448 416 384 352 320 Ta (°C) 105 110 115 120 125 130 135 140 145 150 Pd (mW) 288 256 224 192 160 128 96 64 32 0 P d (m W ) P o w e r D is s ip a tio n C u r v e 900 800 700 600 500 400 300 200 100 0 0 25 50 75 100 125 150 T a (。 C ) Anachip Corp. www.anachip.com.tw Rev 1.0 Sep 29, 2005 5/9 AH286 Hall-Effect Smart Fan Motor Controller Marking Information (1)SIP-5L ( Front View ) 286 Part Number X XX X x Wafer Lot ID: L & a~z is lead-free products ID Code: A ~ Z Nth week: 01~52 Year: "1" = 2001 "2" = 2002 (2)SOT23-5L (Top View) ID code A~Z: Non-Lead Free a~z: Lead Free XX YM X R6:AH286 Date code Y : Year M :Month(A~L) (3)SOT89-5L 4 7 5 ID code A~Z : Non-Lead Free a~z : Lead Free 286 Y M X 1 2 M : Month: A~L Y : Year: 0-9 3 Anachip Corp. www.anachip.com.tw Rev 1.0 Sep 29, 2005 6/9 AH286 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° ~ 3° 2° ~ 5° 3.65 ± 0.1 [0.144 ± 0.003] 0.48 ± 0.1 [0.019 ± 0.003] 14.3 ± 0.3 0.41 ± 0.03 [0.563 ± 0.012] [0.016 ± 0.001] 0.95 ± 0.03 0.38 ± 0.03 [0.037 ± 0.001] [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 Anachip Corp. www.anachip.com.tw 4 5 Rev 1.0 Sep 29, 2005 7/9 AH286 Hall-Effect Smart Fan Motor Controller (2) SOT23-5L GAUGE PLANE Y E HE C D L θ L1 X e1 VIEW C e θ 2(4x) A SEE VIEW C A1 A2 θ1(4x) b(5x) Symbol A A1 A2 b C D E HE L L1 e e1 θ θ1 θ2 X Y Dimensions In Millimeters Min. 1.05 0.05 1.00 0.25 0.08 2.70 1.50 2.60 0.30 0.50 1.80 0.85 0o 3o o 6 - Nom. 1.10 2.90 1.60 2.80 0.60 1.90 0.95 5o 5o o 8 1.067 0.432 Max. 1.35 0.15 1.20 0.50 0.20 3.00 1.70 3.00 0.60 0.70 2.00 1.05 10o 7o o 10 - Anachip Corp. www.anachip.com.tw Dimensions In Inches Min. 0.041 0.002 0.039 0.010 0.003 0.106 0.059 0.102 0.012 0.020 0.071 0.033 0o 3o o 6 - Nom. 0.043 0.114 0.063 0.110 0.024 0.075 0.037 5o 5o o 8 0.042 0.017 Max. 0.053 0.006 0.047 0.020 0.008 0.118 0.067 0.118 0.024 0.028 0.079 0.041 10o 7o o 10 - Rev 1.0 Sep 29, 2005 8/9 AH286 Hall-Effect Smart Fan Motor Controller (3) Package type: SOT89-5L A C D F B E 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 - Anachip Corp. www.anachip.com.tw 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 - Rev 1.0 Sep 29, 2005 9/9