BH6530KV / bh6534kv optical disc ics 1/2 pmw motor driver ic for slim type cd-rom BH6530KV / bh6534kv BH6530KV / bh6534kv is a motor driver ic developed for cd-rom, and dvd-rom. this ic integrates 3-phase pmw driver for driving spindle motor and pmw driver for driving feed motor. BH6530KV fg signal 1 phase output bh6534kv fg signal 3 phase synthesis output z applications z external dimensions (unit : mm) cd-rom slim, dvd-rom slim set z features 1) op amp. is incorporated for input of each driver to construct filter easily. 2) built-in low on resistance power mos. 3) built-in current limit, hall bias , fg output and inversion protection for 3-phase pwm driver. 4) built-in standby circuit. 5) built-in thermal shutdown circuit. 6) high-efficient cd drive system achieved by using this ic and 2ch pwm driver bh6526fv in pairs. z absolute maximum ratings (ta=25 c) parameter symbol limits unit ? 1 derating : 9.5mw/ c for operation above ta=25 c. ? 2 intermittent current at maximum applied time of 5 msec, 1/10 duty (max.) supply voltage power dissipation operating temperature range storage temperature range max.output current v cc pd topr tastg io max 9 1180 ? 30 to + 85 ? 55 to + 150 3 v mw c c a ? 1 ? 2 z recommended operating conditions (ta=25 c) parameter symbol typ. max. min. unit supply voltage pre / pow v cc 5.0 5.5 4.5 v vqfp48 0.4 0.15 0.1 0.1 0.2 0.1 9.0 0.3 7.0 0.2 9.0 0.3 7.0 0.2 48 37 1 12 13 24 25 36 0.5 1.425 0.1 0.1 0.1
BH6530KV / bh6534kv optical disc ics 2/2 z electrical characteristics ( unless otherwise noted, ta=25 c, vcc=5v, vref=1.65v, r l (sl)=8 ? +47 h, r l (sp)=2 ? +47 h, rnf=0.33 ? ) conditions parameter < pwm driver > current in standby mode voltage gain input dead zone (one side) < 3-phase motor driver > input dead zone (one side) torque limit voltage input-output gain output on resistance io=500ma symbol i st g vc v dz1 v dz2 v lim2 gm2 r on1 r on2 io=500ma rnf=0.33 ? rnf=0.33 ? output on resistance ty p. 0 14 20 50 0.20 0.55 0.8 0.5 max. 0.1 16 50 150 0.24 0.70 1.6 1.0 min. ? 12 0 2 0.16 0.40 ? ? unit ma db mv mv v a/v ? ? z application circuit 123456789 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 11 10 n f pre driver 3 phase matrix logic osc 0.1 f 0.1 f 0.1 f 0.1 f sled 0.1 f 0.01 f vref vref sled in spindle in 0.01 f -com -com -com 220pf t. s . d. fg current limit charge pump( 2) reverse detect fg h.b. bk stby sbk + ? + ? + ? 0.1 f spindle 0.1 f 0.1 f 0.1 f 1 f vcc resistor for current detection + ? + ? + ? + ? + ? m hall3 hall2 hall1 pre driver pre driver pre driver
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