TDA5149G

Manufacturer Part NumberTDA5149G
Description12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
ManufacturerPhilips Semiconductors
TDA5149G datasheet
 


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DATA SHEET
TDA5149G
12 V Voice Coil Motor (VCM) driver
and spindle motor pre-driver
combination chip
Product specification
File under Integrated Circuits, IC11
INTEGRATED CIRCUITS
1996 May 06

TDA5149G Summary of contents

  • Page 1

    ... DATA SHEET TDA5149G 12 V Voice Coil Motor (VCM) driver and spindle motor pre-driver combination chip Product specification File under Integrated Circuits, IC11 INTEGRATED CIRCUITS 1996 May 06 ...

  • Page 2

    ... To control functions such as park, brake, sleep or disable and to program the different timing parameters, the TDA5149G is provided with a three-wire serial port. A high precision voltage monitor is also included, for both 5 and 12 V power supplies. Finally, the IC contains a ...

  • Page 3

    ... BEMF comp 2 CSS1 dis COMP SPWM comp 1 3 BEMF comp 3 CSS1 short LOOP1 select INTG 20 18 SINTIN SICOMP Fig.1 Block diagram of the spindle part. 3 Product specification TDA5149G CAPY 1 63 CAPX1 CHARGE 62 CAPX2 PUMP CLAMP 3 H1 DRIVER MOT1 5 L1 ...

  • Page 4

    ... CIRCUITRY REFERENCE VOLTAGE LACTIVE LHOLD GENERATOR from the serial port COMP TEMPERATURE SENSOR POWER- COMP ON RESET GENERATOR 26 35 RESETA POR DELAY 4 Product specification TDA5149G 30 AMPIN OPAMP AMPIN 31 AMPOUT 33 38 CLAMP from the spindel 32 PGND1 DDV 100 nF ...

  • Page 5

    ... VCM power stage temperature monitor output clamp capacitor used for head retraction power supply for VCM DMOS driver (+12 V) switchable VCM control input voltage 5 Product specification TDA5149G ...

  • Page 6

    ... V) test mode input commutation frequency generator output clock for digital timing input serial port data input serial port clock input serial port enable input charge pump capacitor input/output charge pump capacitor input/output digital ground; note 1 6 Product specification TDA5149G ...

  • Page 7

    ... MOT2 MOT3 IDRIVE 12 SPINSENSEH 13 SPINSENSEL 14 SISENS 15 AGDN 16 1996 May 06 TDA5149G Fig.3 Pin configuration. 7 Product specification TDA5149G 48 PGND2 47 BRAKEPOWER VCM ref CMSENSEL 43 V CMSENSEH 42 V CMIN1 41 V CMIN2 40 V DDV 39 38 CLAMP 37 TEMPMON V CM ...

  • Page 8

    ... The commutation pulses are applied to the TDA5149G via the serial bus by setting the COMMCLK bit successively to logic 1 and logic 0. 1996 May 06 The different control modes of the TDA5149G can be commanded via the serial bus ...

  • Page 9

    ... This means that the voltage on this capacitor decreases with time. Serial port The serial port is used to modify the various operational modes of the TDA5149G and to adjust the timing parameters to ensure the proper commutation sequence of the spindle motor synchronous, slave only, three-wire communication port with data (SDATA), clock (SCLOCK) and enable (SENABLE) inputs ...

  • Page 10

    ... V hys V CC 0.8 V POR handbook, full pagewidth SCLOCK t su1 SENABLE t su2 t h2 SDATA 1996 May Fig.4 Power-on/power-off reset timing. Fig.5 Serial port signal timing 10 Product specification TDA5149G MBH021 threshold su1 t su2 t h2 MGE655 ...

  • Page 11

    ... VGAINSEL not used PRESCALER_2 STARTUP_3 STARTUP_2 WATCHDOG_3 WATCHDOG_2 not used COMDELIM_2 BLANK_3 BLANK_2 DESCRIPTION DESCRIPTION DESCRIPTION CMIN1 11 Product specification TDA5149G DATA1 DATA0 SDISABLE SBRAKE LACTIVATE SLEEP VCM_CTRL_1 VCM_CTRL_0 PRESCALER_1 PRESCALER_0 STARTUP_1 STARTUP_0 WATCHDOG_1 WATCHDOG_0 COMDELIM_1 COMDELIM_0 BLANK_1 BLANK_0 through the latch ...

  • Page 12

    ... STARTUP_REG, thereby causing the next commutation STARTUP delay = [(({0 to 31} 32 Product specification TDA5149G MODE VCM operating VCM brake VCM park VCM disable (1) (1) ...

  • Page 13

    ... To avoid false zero-crossing detection, the blank delay operates in the same way at the end of the fly-back pulse (hard-switching mode the end of the soft-switching interval (soft-switching mode). BLANK delay Product specification TDA5149G MAXIMUM COMMUTATION DELAY t 1023 ...

  • Page 14

    ... CONDITIONS indefinite time period indefinite time period indefinite time period indefinite time period current peak <0.5 s current peak <0 Product specification TDA5149G (2) (2) ( PWM PWM PWM PWM PWM PWM MIN. MAX. UNIT ...

  • Page 15

    ... VCM sense resistor VSENS 1996 May 06 (1) PARAMETER 75 mm CONDITIONS normal mode ) ref between CAPX1 and CAPX2 6.8 between CAPY and ground between CLAMP and ground note 1 15 Product specification TDA5149G VALUE UNIT 54 K/W 1.6 mm; material = glass epoxy FR4, MIN. TYP. MAX. UNIT 5 +70 C 4.5 5.0 5 ...

  • Page 16

    ... C; unless otherwise specified. CONDITIONS normal mode sleep mode normal mode sleep mode normal mode sleep mode ) ref( 120 k ; note 1 ref 150 C; note Product specification TDA5149G MIN. TYP. MAX. 32 470 47 470 150 700 100 2.4 0.8 MIN. TYP. MAX. 5.5 7.5 1.6 2.0 5.5 7.5 1.6 2.0 ...

  • Page 17

    ... IDRIVE R = 120 k ; note 6 IDRIVE (H1, H2 H3) AND AND 120 k ; note 7 IDRIVE R = 120 k ; note 6 IDRIVE normal condition 12 (IDRIVE 120 k ; note 7 20.6 IDRIVE 14 (SPINSENSEH SPINSENSEL) AND AND 17 Product specification TDA5149G MIN. TYP. MAX. 250 +60 18.5 19.3 19.8 0.8 MOT3 4.2 +4.2 0.5 7.2 8.0 8.8 0.9 0.7 0.5 1 ...

  • Page 18

    ... CSS2) AND AND I = 0.5 mA CSS1,2 for normal CSS1 and CSS2 discharge 120 k Iref for CSS1 and CSS2 short static test note 8 note AND CMIN1 CMIN2 VGAINSEL = 1 VGAINSEL = 0 18 Product specification TDA5149G MIN. TYP. MAX. 1.38 1.43 1.48 1.37 V 1.2 DD 4.85 5.0 5.15 1 ISPIN) 1.3 3.2 3.0 +3 0.5 3.5 0.5 0.9 1.5 1 ...

  • Page 19

    ... CMSENSEL CMSENSEH common mode from 0 0 CMSENSEH CMSENSEL over full temperature range 0.5 A source Product specification TDA5149G MIN. TYP. MAX 1.12 1.15 1.18 0.65 0.45 1.1 100 1.4 2.0 1.5 3 0.9 1.2 1 +250 0.5 V 1.5 DD 4.85 5.0 5.15 1 ...

  • Page 20

    ... prior to automatic brake BRAKEPOWER while braking; over full temperature range 6.5 V BRAKEPOWER V = 6.5 V BRAKEPOWER over full temperature range; note 10 over full temperature range 20 Product specification TDA5149G MIN. TYP. MAX. 3 0.3 DDD 0.3 1 ...

  • Page 21

    ... PIN DELAY note over full temperature range Product specification TDA5149G MIN. TYP. MAX. ) ADJ 4.30 4.37 4. 10.25 10.4 10. 130 25340 28800 32260 66 0.715 0.725 0.735 10560 12000 13440 27 3 ...

  • Page 22

    ... Master clock (pin 58) must be running (1 cycle = T 1996 May 06 CONDITIONS with respect to the rising edge t = internal clock IC cycle; note 12 with respect to the rising edge in F. PORDELAY ) (prescaler ratio Product specification TDA5149G MIN. TYP. MAX UNIT MHz % ...

  • Page 23

    ... 2 scale (1) ( 0.18 10.1 10.1 12.15 12.15 0.5 1.0 0.12 9.9 9.9 11.85 11.85 REFERENCES JEDEC EIAJ 23 Product specification TDA5149G detail X ( 0.75 0.69 1.45 1.45 0.2 0.12 0.1 0.45 0.59 1.05 1.05 EUROPEAN ISSUE DATE PROJECTION 94-01-07 95-12-19 SOT314 ...

  • Page 24

    ... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 24 Product specification TDA5149G ...

  • Page 25

    ... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1996 May 06 25 Product specification TDA5149G ...

  • Page 26

    ... Philips Semiconductors 12 V Voice Coil Motor (VCM) driver and spindle motor pre-driver combination chip 1996 May 06 NOTES 26 Product specification TDA5149G ...

  • Page 27

    ... Philips Semiconductors 12 V Voice Coil Motor (VCM) driver and spindle motor pre-driver combination chip 1996 May 06 NOTES 27 Product specification TDA5149G ...

  • Page 28

    ... Vietnam: see Singapore Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. (381) 11 825 344, Fax. (359) 211 635 777 Internet: http://www.semiconductors.philips.com/ps/ For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31-40-2724825 SCDS48 © ...