Description
www.DataSheet4U.com 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=25˚C) Limits 7 800 * –30 ∼ +80 –55 ∼ +150 700 (Ta=25˚C) Min. 2.4 Typ. — Max. 6.5 Unit V Unit V mW ˚C ˚C mA VCC Pd Topr Tstg IOMAX for operation above Ta=25˚C. 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=25˚C, Vcc=3.4V, V M=0.3V) 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 µA V V V Ω IO=500µA STBY=VCC 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 µA mA V V V Conditions STBY=L STBY=H IM=20mA VM=VCC Io=400mA VM=VCC–1V Io=400mA Io=400mA ∗ This product is not designed for protection against radioactive rays. Block Diagram FG 11 1µF 16 Vcc 22kΩ 2200pF 3 EX-OR 17 VM UOUT VOUT WOUT 0.5Ω RF 5Ω 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 0.22µF 7 CST 15 Start-up control logic STAND-BY Phase control 0.01µF 8 CSL1 0.01µF 9 CSL2 10 GND 18 Slope composition TSD 14 STBY Vcc 13 BRK+ 12 BRK– BD6609FV GSUB

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BD6609FV

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