BD6667FM
BD6667FM is Spindle Motor Driver IC manufactured by ROHM.
Description
The BD6667FM has achieved in high-efficiency and low power consumption due to the adoption of MOSFET output and direct PWM drive. Power save circuit, current limit circuit, FG 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. Features
1) Direct PWM drive 2) Built-in power save circuit 3) Built-in current limit circuit 4) Built-in FG 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 Dimension (Units : mm)
18.5±0.2 28 15
9.9±0.3
7.5±0.2
5.15±0. 1
2.2±0. 1
0. 1 1
0.35±0. 1
0.3Min. 0. 15
0.25±0. 1
Absolute Maximum Ratings (Ta=25˚C)
Parameter Applied voltage (For 5V power supply) Applied voltage (For motor power supply) Power dissipation Operating temperature range Storage temperature range Output current
∗1 Mounted on a glass epoxy board (70mm×70mm×1.6mm) ∗1 Derating:17.6m W/˚C for operation above Ta=25˚C. ∗2 Do not exceed Pd, ASO and Tj=150˚C.
Symbol Vcc VM Pd Topr Tstg IOMAX
- 20
- 55
Limits 7 15 2200 ~ ~ 3000
∗1
Unit V V
+75 +150
- 2 ∗2 m W ˚C ˚C m A w w w
.d e e h s a t a
. u t4 m o c
November, 2000
..
Remended Operating Conditions (Ta=25˚C)
Parameter Operating supply voltage Symbol VCC VM Min. 4.5 3 Typ.
- - Max. 5.5 14 Unit V V
Electrical characteristics (Unless otherwise noted ; Ta=25˚C, 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...
