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| 00W095A Spindle motor driver IC for CD-ROM/RW BD6665FM Description The BD6665FM has achieved high-efficiency and low power consumption due to the adoption of MOSFET output and direct PWM drive. Power save circuit, current limit circuit, FG threephase synthesis output, hall bias, reverse protection circuit, short brake SW, and rotation direction detection terminal are incorporated. The result is a multi-function and high-performance IC. Dimension (Units : mm) 18.50.2 28 15 9.90.3 7.50.2 1 5.150. 1 14 2.20. 1 0. 1 1 0.8 0.350. 1 0.3Min. 0. 15 Features 1) Direct PWM drive 2) Built-in power save circuit 3) Built-in current limit circuit 4) Built-in FG three-phase synthesis output 5) Built-in hall bias 6) Built-in reverse protection circuit 7) Low power consumption due to MOSFET output 8) Built-in short brake SW 9) Built-in rotation direction detection terminal Applications CD-ROM/RW HSOP-M28 Absolute Maximum Ratings (Ta=25C) Parameter Applied voltage (5V for power supply) Applied voltage (for motor supply) Power dissipation Operating temperature range Storage temperature range Output current Symbol Vcc VM Pd Topr Tstg IOMAX -20 -55 Limits 7 15 2200 ~ ~ 3000 1 Unit V V +75 +150 *2 2 mW C C mA 1 Mounted on a glass epoxy board (70mmx70mmx1.6mm) 1 Derating:17.6mW/C for operation above Ta=25C. 2 Do not exceed Pd, ASO and Tj=150C. November, 2000 0.250. 1 Recommended Operating Conditions (Ta=25C) Parameter Operating power supply voltage range Symbol VCC VM Min. 4.5 3 Typ. -- -- Max. 5.5 14 Unit V V Electrical characteristics (Unless otherwise noted ;Ta=25C, Vcc=5V, VM=12V) Parameter Circuit current 1 Circuit current 2 Power save ON voltage Power save OFF voltage Input bias current Minimum input level Offset voltage (+) Offset voltage (-) Output ON resistance Output limit voltage Symbol Icc1 Icc2 VPSON VPSOFF IHA VINH Ecofs+ Ecofs- RON VTL Min. -- 3.0 -- 2.5 -8.0 60 10 -70 -- 0.15 Typ. -- 7.5 -- -- -1.8 -- 40 -40 0.7 0.21 Max. 0.2 14 1.0 -- -- -- 70 -10 1.0 0.27 Unit mA mA V V A mVpp mV mV V Io=600mA (Upper+Lower) RNF=0.33 Stand-by mode Conditions Stand-by mode Application Circuit 470pF OSC 20 100pF CNF 5 10 VM CURRENT LIMIT AMP. - OSC + SERVO SIGNAL EC 22 21 PWM COMP. 19 + VM RNF2 GND 100 F + - - 6 + 7 ECR Torque Amp. 10 F + VCC 1 H1+ H1 23 24 Hall + - Amp H1 U-PRE DRIVER H2 17 18 A1 A1 A2 A2 A3 A3 H1H2 H2+ 25 26 + - MATRIX DRIVER 14 15 H2H3 H3+ 27 28 + - H3 D-PRE DRIVER 11 12 H3VCC PS TSD 4 PS RNF1 13 FG3 2 D CK EXOR D-FF Q Q 16 10K RNF1 0.33 9 3 VH FIN REVERSE DETECT SB 8 FR 0.01 F BD6665FM VCC |
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