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| AP1346/1347 Two Coil Fan Motor Predriver Features - Compatible to a Hall element - Operating voltage (VCC) : 4V to 28V - Lock shutdown and automatic restart - Rotation detection (RD) output name as AP1347 - Speed indication output (FG) named as AP1346 - Output current IO=70mA (max) - Operating temperature (Topr) : -30C to +85C - SOP8 package - Include Thermal Shutdown circuit General Description The AP1346/7 fan motor predriver is suited for two-coil brush-less DC fan. All functions, including lock shutdown, automatic restart, speed indication (FG), have been integrated into one chip. When the motor is under lock condition, lock shutdown function turns off the output. When the lock condition is removed, the IC automatically restarts and allows DC fan to run. In addition, the FG function is to indicate the rotation speed and the RD function is to detect the motor status. Application - High voltage, high current brushless DC fan Pin Assignment ( Top view ) VCC HS(+) FG/RD HS(-) 1 2 AP1346/1347 3 4 SOP-8L 6 5 CT GND 8 7 OUT1 OUT2 Pin Descriptions Name VCC HS(+) FG /RD HS(-) GND CT OUT2 OUT1 Description Power input Hall input Speed indication / detection Hall input Ground Timing capacitor Driver output Driver output Rotation Ordering Information AP134X X - X X X Part Number 6: AP1346 7: AP1347 Wafer Body Package Lead Packing Blank : Tube A : Taping S: SOP-8L L: Lead Free Blank or A~Z : if necessary Blank: Normal to specify 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. 0.0 Jun 9, 2004 1/5 AP1346/1347 Two Coil Fan Motor Predriver Block Diagram VCC 1 Reg. Predriver 1 Predriver 2 8 7 OUT1 OUT2 HS(+) 2 + Hall amp Control Logic 6 CT FG/RD 3 Lock Detection Automatic Restart 5 GND HS(-) 4 Application Circuit D2 Voltage Input C1 D1 L1 L2 R1 VCC OUT1 R4 Q1 Z11 Z1N Q2 Z21 Z2N Hall element HS(+) OUT2 R2 AP1346/ AP1347 HS(-) CT C2 GND FG/RD R6 V1 R5 output Anachip Corp. www.anachip.com.tw 2/5 Rev 0.0 Jun 9, 2004 AP1346/1347 Two Coil Fan Motor Predriver Absolute Maximum Ratings Parameter Input voltage Output current Allowable power dissipation Operating temperature Storage temperature *note1 : Reduced by 5.5mW for each increase in Ta of 1C over 25 C (TA=25C) Symbol VCC IOUT PD TOPR TSTG Rating 30 70 550*(note1) -30 to +85 -55 to +125 Unit V mA mW C C Electrical Characteristics ( T =25C, V A CC =12V, unless otherwise noted) Parameter Input voltage Hall input voltage (DC+AC) Supply current Hall amp input hysteresis (+) Hall amp input hysteresis (-) Charge current Discharge current Charge/discharge ratio Clamp voltage Comparator voltage Output high level FG / RD pin output low FG / RD pin sink current capacity Symbol VIN VBH ICC VHYS+ VHYSICHG IDHG RCD VCL VCP Conditions Min. 4 1 -3 -15 7.7 0.19 32 1.6 0.8 10 -8 Rating Typ. Max. -28 -4 --9.6 0.24 40 2.0 1.0 10.5 --VCC-0.5 5.5 15 -3 11.5 0.29 48 2.4 1.2 -0.5 -- Unit V V mA mV mV uA uA -V V V V mA Includes the amplitude of signal The output is off Delta V when VBH=6V Delta V when VBH=6V VCT = 1.5V VCT = 1.5V ICHG/IDCHG VOH IO = 10mA VFGL / VRDL IFG = 5mA / IRD = 5mA IFG / IRD VFGL = 2V / VRDL = 2V Anachip Corp. www.anachip.com.tw 3/5 Rev 0.0 Jun 9, 2004 AP1346/1347 Two Coil Fan Motor Predriver Performance Characteristics Ta (C) Pd (mW) Ta (C) Pd (mW) P d (m W ) 600 500 400 300 200 100 0 0 25 50 75 85 100 125 150 T a ( C ) 25 550 95 242 50 440 100 220 60 396 105 198 70 352 110 176 80 308 115 154 85 286 120 132 90 264 125 110 P o w e r D is s ip a tio n C u rve NoteSOP-8L package. Marking Information (Top View) 8 7 6 5 Logo Part Number AC AP1347 YY WW X X Blank : normal L : Lead Free Package Date code X: internal code WW: Xth week,01-52 Y: Year, "01"=2001 "02"=2002 4 1 2 3 SOP-8L Note: For AP1346, part number is marked as AP1346. Anachip Corp. www.anachip.com.tw 4/5 ~ Rev 0.0 Jun 9, 2004 AP1346/1347 Two Coil Fan Motor Predriver Package Information Package Type: SOP-8L E H L VIEW "A" D 7 (4X) A2 A 0.015x45 7 (4X) A1 e B y C VIEW "A" Symbol A A1 A2 B C D E e H L y Dimensions In Millimeters Min. Nom. Max. 1.40 1.60 1.75 0.10 0.25 1.30 1.45 1.50 0.33 0.41 0.51 0.19 0.20 0.25 4.80 5.05 5.30 3.70 3.90 4.10 1.27 5.79 5.99 6.20 0.38 0.71 1.27 0.10 0O 8O Dimensions In Inches Min. Nom. Max. 0.055 0.063 0.069 0.040 0.100 0.051 0.057 0.059 0.013 0.016 0.020 0.0075 0.008 0.010 0.189 0.199 0.209 0.146 0.154 0.161 0.050 0.228 0.236 0.244 0.015 0.028 0.050 0.004 0O 8O Anachip Corp. www.anachip.com.tw 5/5 Rev 0.0 Jun 9, 2004 |
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