dimension (units : mm) description applications features power supply voltage v cc v 2.3 3.0 6.5 recommended operating conditions (t a=25 ? c) parameter symbol unit min. t yp. max. v g v v m +3 9 14 v m v 6.5 pulse input frequency khz 200 fin system motor driver ic for pb/rec portable md 1) single chip and thin packaging allow for a smaller set design 2) low power consumption due to low on resistance power mos output 3) low voltage operating (2.3v min.) the BD6603KVT is developed for motor drivers used in portable md players. this ic includes : a 3-phase full-wave sensorless operating system, a 4-channel h-bridge driver for focus, a sled, tracking for the spindle motor and head step-up, and a 2-channel half-bridge driver for vm pwm voltage control. vg step-up is accomplished through a charge-pump circuit. tqfp64v BD6603KVT 00w007a rec portable md player , data md march, 2000 control circuit supply voltage supply voltage (driver) supply voltage (pre-driver) output current v cc vm vg iomax v v v ma 7 7 15 500 * 1 * 2 absolute maximum ratings (t a=25 ? c) parameter symbol limits unit power dissipation operating temperature range storage temperature range pd t opr t stg mw ? c ? c 1250 ~ ~ 25 +75 55 +150 * * 1 2 derating : 10mw/ ? c for operation above t a=25 ? c. do not, however exceed pd, aso 70mm 70mm 1.6mm glass epoxy board.
circuit current output on resistance output voltage position detection comparator of fset detection comparator input range brake comparator input current icc ist ron vg1 vg2 vco vcd ibr ma a ? v v mv v a 8.0 50 1.2 10.0 9.5 +10 vcc e 1.0 2.0 5.6 16 0.8 8.9 7.3 ? ? ? ? ? ? 7.5 6.0 e 10 0 ? (all blocks) operating (all blocks) stand-by each input l (all blocks) operating brk=vcc (unless otherwise noted, t a=25 ? c, vcc=3v , vm=2.5v , fin=176khz) electrical characteristics conditions parameter symbol unit min. t yp. max. application circuit brake comparator input range fg output l voltage logic h level input voltage logic h level input current logic l level input current output propagation delay time vbd volf vinh vinl iinh1 iinh2 iinl trise tf all v v v v a a a sec sec 0.3 ? 0.4 1 600 ? 1 0.7 ? 0.2 ? ? ? 350 ? 0.2 0.1 0 ? vcc e 0.4 ? ? ? e 1 ? ? io=500 a vin=3v vin=3v extclk pin vin=0v brake comparator input of fset vbo mv e 15 ? logic l level input voltge +15 vcc e 1.5 this product is not designed for protection against radioactive rays. on resistance (upper+lower) vg=10v
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