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| BH6530KV / BH6534KV Optical disc ICs 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 BH6534KV FG signal 1 phase output FG signal 3 phase synthesis output Applications CD-ROM slim, DVD-ROM slim set External dimensions (Unit : mm) 9.0 0.3 7.0 0.2 36 9.0 0.3 7.0 0.2 25 24 13 0.4 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. 37 48 1 12 0.15 0.1 1.425 0.1 0.1 0.1 0.5 0.2 0.1 0.1 VQFP48 Absolute maximum ratings (Ta=25C) Parameter Supply voltage Power dissipation Operating temperature range Storage temperature range Max.output current Symbol VCC Pd Topr Tastg IoMAX Limits 9 1180 -30 to +85 -55 to +150 2 3 1 Unit V mW C C A 1 Derating : 9.5mW/C for operation above Ta=25C. 2 Intermittent current at maximum applied time of 5 msec, 1/10 duty (max.) Recommended operating conditions (Ta=25C) Parameter Supply voltage Symbol PRE / POW VCC Min. 4.5 Typ. 5.0 Max. 5.5 Unit V 1/2 BH6530KV / BH6534KV Optical disc ICs Electrical characteristics ( Unless otherwise noted, Ta=25C, Vcc=5V, Vref=1.65V, RL(SL)=8+47H, RL(SP)=2 +47H, RNF=0.33 ) Parameter Current in standby mode < PWM driver > Input dead zone (one side) Voltage gain Output ON resistance < 3-phase motor driver > Input dead zone (one side) Input-output gain Output ON resistance Torque limit voltage VDZ2 gm2 RON2 VLIM2 2 0.40 - 0.16 50 0.55 0.5 0.20 150 0.70 1.0 0.24 mV A/V V RNF=0.33 Io=500mA RNF=0.33 Symbol IST VDZ1 GVC RON1 Min. - 0 12 - Typ. 0 20 14 0.8 Max. 0.1 50 16 1.6 Unit mA mV dB Io=500mA Conditions Application circuit M 0.1F SLED 0.1F 0.1F 0.1F 220pF 0.1F 36 N F 37 38 SLED IN 35 34 33 32 31 30 29 28 27 26 OSC 25 0.01F Vref Charge Pump(x2) Pre Driver 24 23 + - 40 T.S.D. Vref FG SPINDLE IN 42 43 44 0.01F + - + - + - REVERSE DETECT 45 -COM 46 47 48 SBK 3 PHASE MATRIX BK STBY Pre Driver Pre Driver Pre Driver -COM H.B. -COM 1 0.1F 1F Resistor for current detection Vcc 2 0.1F 3 4 5 6 7 0.1F 8 9 10 0.1F 11 12 SPINDLE + - 41 + - + - 39 + - Logic 22 21 20 HALL3 FG CURRENT LIMIT 19 18 HALL2 17 16 HALL1 15 14 13 2/2 |
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