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TDA5149G Datasheet(PDF) 3 Page - NXP Semiconductors |
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TDA5149G Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 28 page 1996 May 06 3 Philips Semiconductors Product specification 12 V Voice Coil Motor (VCM) driver and spindle motor pre-driver combination chip TDA5149G BLOCK DIAGRAMS Fig.1 Block diagram of the spindle part. handbook, full pagewidth MGE657 SAWTOOTH OSCILLATOR SERIAL PORT VPARK VCM_CONT1 VCM_CONT2 VGAINSEL SLEEP COMMUT. DELAYS SBRAKE SDISABLE SPINMODE COMMCLOCK INIT TRIGGER CSS2 dis SPWM comp 1 SPWM comp 2 CSS2 short CSS1 dis CSS1 short LOOP1 select CHARGE PUMP BRAKE DELAY 22 CSS1 CSS2 23 STOSC 24 FG 57 SCANTEST 56 SCANOUT 25 SENABLE 61 SDATA 59 SCLOCK 60 CLOCK 58 54 VDD 45 H0 3 H1 5 L1 6 H2 8 L2 9 H3 11 L3 4 MOT1 7 MOT2 2 MOT0 10 MOT3 19 ISPIN 13 14 SPINSENSEH SPINSENSEL 63 62 CAPX2 CAPX1 12 V CLAMP to the VCM MOT1 MOT2 MOT3 3 k Ω 3 k Ω 1 k Ω 3 k Ω from the PWM DAC Rsense 1 CAPY IDRIVE 12 BRAKEPOWER BRAKEDELAY AGND DGND 64 16 51 47 VDDA1 VDDD 55 27 from the POR circuit to the LATCH to the VCM DIGITAL CONTROL 21 RPOS 20 SICOMP 18 SINTIN 15 SISENS 5 × INTG COMP COMP BEMF comp 1 BEMF comp 2 BEMF comp 3 DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER COMP COMP COMP 0.4 V LACTIVE LHOLD TDA5149G 1 2 3 1 2 3 4 5 |
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