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| 00W013A Spindle Motor Driver for CD/MD BD6609FV Description The BD6609FV is a CD/MD spindle motor driver employing a 3-phase, full-wave, soft switching, driving system. This motor driver reduces switching noise of the output current and enables for smooth motor rotation. 6.4-0.3 4.4-0.2 1.15-0.1 Dimension (Units:mm) 6.5-0.2 20 11 1 10 0.1 0.65 0.22-0.1 0.3Min. 0.1 Features 1) Switching noise reduced due to a soft switching driving system 2) Sensorless driving system allows for a small set design 3) Built-in start, brake, and standby function 4) FG signal output function (with built-in "chatter" prevention circuit) 5) Built-in Thermal Shutdown (TSD) circuit SSOP-B20 Applications CD, MD Absolute Maximum Ratings Parameter Power supply voltage Power dissipation Operating temperature range Storage temperature range Output current (Ta=25C) Limits 7 800 * -30 +80 -55 +150 700 (Ta=25C) Min. 2.4 Typ. -- Max. 6.5 Unit V Unit V mW C C mA VCC Pd Topr Tstg IOMAX for operation above Ta=25C. Symbol * Derating: 6.4mW/C Parameter Recommended Operating Conditions Symbol VCC Power supply voltage March, 2000 0.15-0.1 Electrical characteristics (Unless otherwise noted, Ta=25C, Vcc=3.4V, V Parameter Circuit current Output saturation voltage H1 Output saturation voltage H2 Output saturation voltage L Rotor position detection pin Input offset voltage Standby pin Input current Input "H" level voltage Input "L" level voltage FG pin Output "L" voltage Pull up resistance VCO IST VSTH VSTL VOLF RBF -10 -- 2 -- -- 10 -- 115 -- -- 0.1 20 +10 155 VCC 0.3 0.25 30 mV A V V V Symbol ICCS ICC VOH1 VOH2 VOL Min. -- -- -- -- -- Typ. 10 11 0.85 0.2 0.25 Max. 35 15 1 0.35 0.35 Unit A mA V V V M=0.3V) Conditions STBY=L STBY=H IM=20mA VM=VCC Io=400mA VM=VCC-1V Io=400mA Io=400mA STBY=VCC IO=500A This product is not designed for protection against radioactive rays. Block Diagram FG 11 1F 16 Vcc 22k 2200pF 3 EX-OR 17 VM UOUT VOUT WOUT 0.5 RF 5 RIB Drive signal composition logic Upper and lower distribution Timing selector UIN 2200pF 4 VIN 2200pF 5 WIN 1 Pre-drive 20 19 2 6 COM 0.22F 7 CST 15 Start-up control logic STAND-BY Phase control 0.01F 8 CSL1 0.01F 9 CSL2 10 GND 18 Slope composition TSD 14 STBY Vcc 13 BRK+ 12 BRK- BD6609FV GSUB |
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