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L6246 数据表(PDF) 2 Page - STMicroelectronics |
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L6246 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 12 page ![]() CHARGE PUMP GATE DRIVER CP_GND GATE DRIVE -SPINDLE START MOTOR START -W_GATE -AE W_GATE VCM PARK C1 C2 VCP THERMAL -THERMAL SD VCC +12 FILTER CAP + - + - REF1 VDD +5 FILTER CAP PARKING RPARK REF1 VPARK 10K 10K +5 4 µA 10K 30K 25K 20K V CC/2 ERR_OUT BRAKE CIRCUIT + - + - + - + - VCC/2 ERROR AMPL. + - VBEMF REF. VOLT. GENERATOR SENSE AMPLIFIER SENSE_ OUT SENSE _IN- SENSE _IN+ VCC/2 ERR- +5V REF +5V REF_GND REF1 INPUT AMPLIFIER VIN- VIN+ VIN_OUT -POR BRAKE DELAY VCC OUT+ GND VCC OUT- GND D95IN242B POWER AMPLIFIERS T_CAP + - BLOCK DIAGRAM 1 2 3 5 6 4 7 8 9 10 17 11 18 19 20 21 22 44 43 42 41 39 40 38 37 36 35 34 28 27 26 24 23 25 33 32 31 29 30 SENSE-IN- SENSE-IN+ -THERMAL SD FILTER_CAP N.C. BRAKE DELAY N.C. SENSE-OUT ERR- GND ERR-OUT RPARK VBEMF +12SETPT +5V REF_GND N.C. +5SETPT N.C. ENABLE -SPINDLE START -W_GATE VCM PARK D95IN241B 12 13 14 15 16 PIN CONNECTION (Top view) L6246 2/12 |
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