BD6609FV
BD6609FV is Spindle Motor Driver manufactured by ROHM.
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
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 m W ˚C ˚C m A VCC Pd Topr Tstg IOMAX for operation above Ta=25˚C.
Symbol
- Derating: 6.4m W/˚C
Parameter
Remended 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 m V 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 m A V V V Conditions STBY=L STBY=H IM=20m A VM=VCC Io=400m A VM=VCC- 1V Io=400m A Io=400m A
∗ This product is not designed for protection against radioactive rays.
Block Diagram
FG...
