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Spindle motor driver IC for CD-ROM/RW BD6665FM DescriptionDimension (Units : mm) Features Applications 00W095A 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 CD-ROM/RW November, 2000 HSOP-M28 1528 2.2 ± 0. 1 0 . 1 1 7.5 ± 0.2 1 9.9 ± 0.3 0.35±0. 10.80.3Min. 5.15±0. 1 14 0. 15 0.25 ± 0. 1 18.5±0.2 Absolute Maximum Ratings (Ta=25 ̊C) Applied voltage (5V for power supply) Applied voltage (for motor supply) Power dissipation Operating temperature range ParameterSymbol Limits Unit *1 Mounted on a glass epoxy board (70mm¥70mm¥1.6mm) *1 Derating:17.6mW/ ̊C for operation above Ta=25 ̊C. *2 Do not exceed Pd, ASO and Tj=150 ̊C. Vcc VM Pd Topr 7 15 +75–20 2200 ~ V mW ̊C Storage temperature range Output current Tstg IOMAX +150–55 ~ 3000 ̊C mA V *1 *2 *2 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 three- phase 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.