TDA5147CH Philips Semiconductors, TDA5147CH Datasheet

no-image

TDA5147CH

Manufacturer Part Number
TDA5147CH
Description
12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip
Manufacturer
Philips Semiconductors
Datasheet
Preliminary specification
File under Integrated Circuits, IC11
DATA SHEET
TDA5147CH
12 V Voice Coil Motor (VCM) driver
and spindle motor drive
combination chip
INTEGRATED CIRCUITS
1997 Jul 09

Related parts for TDA5147CH

TDA5147CH Summary of contents

Page 1

... DATA SHEET TDA5147CH 12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip Preliminary specification File under Integrated Circuits, IC11 INTEGRATED CIRCUITS 1997 Jul 09 ...

Page 2

... Power-on. The circuit is contained in a 64-pin QFP package. The TDA5147CH is controlled by a custom digital ASIC (see Chapter “Application Information”). The custom ASIC provides the necessary commutation sequences for the spindle drivers via the SCNTL1, SCNTL2 and SCNTL3 inputs ...

Page 3

... VCM driver CC1V12 V power supply 2 for VCM driver CC2V12 Drivers I maximum spindle current spin(max) I maximum VCM current VCM(max) 1997 Jul 09 PARAMETER 3 Preliminary specification TDA5147CH MIN. TYP. MAX. 4.5 5.0 5.5 10.8 12 13.2 10.8 12 13.2 10.8 12 13.2 10 ...

Page 4

... DETECTOR to spindle section disable TDA5147CH V CCA12 V refout V refout FLTINP V FLTOUT V CC1V12 V CC5 V CC2V12 Fig.1 Block diagram of voice coil motor driver. 4 Preliminary specification TDA5147CH RET ADJ 35 53 SHPWR2,3 SHPWR1 park PARK CIRCUITRY autopark V refout 59 51 POWER AMPLIFIERS 60 SENSE V refout CMINP V ISENS1 ...

Page 5

... DRIVER U.L brake disable 40 V.H DRIVER 23 disable V.L DRIVER brake disable DRIVER 10 disable DRIVER W.L brake SISINK1, SISINK2 25 COMP SDRVU COMP SDRVV COMP SDRVW 54, 55 CCA12 V CC5 GNDV TDA5147CH SHPWR3 SHPWR2 SDRVU SHPWR1 C clamp SDRVV SDRVW SDRVN SENV SENU SENWIS MGG844 ...

Page 6

... BSTCP1 SISINK1 GNDSUBA SIPWM SISENH SISENL V CMINP n.c. V CC2V12 V PCNTL V CMP V refout BRKTC 6 Preliminary specification TDA5147CH PIN I/O DESCRIPTION 27 O digital output of back EMF sense capacitor 3 for park supply voltage 29 O booster filter output 30 O booster capacitor 2 output 31 not connected ...

Page 7

... Jul 09 DESCRIPTION SYMBOL V CMN V ISENL V ISENS1 n.c. n.c. V CC1V12 TDA5147CH Fig.3 Pin configuration. 7 Preliminary specification TDA5147CH PIN I/O DESCRIPTION 59 O negative output voltage of H-Bridge 60 I negative input voltage of sense resistor amplifi voltage output 1 of sense resistor amplifier 62 ...

Page 8

... The truth table is given in Table 1. The status of each block in the spindle drive section during the possible modes of operation is given in Table 4 8 Preliminary specification TDA5147CH ) set by the RC-network at off . During the off-time, the lower spindle off = R ...

Page 9

... See Table 2 for the truth table of the VCM driver modes. (1) V INPUT STATE PCNTL V CC5 0.5V or high impedance CC5 0.5V or high impedance CC5 9 Preliminary specification TDA5147CH (1) (1) SDRVU SDRVV x x HIGH HIGH LOW x x LOW HIGH LOW HIGH x x HIGH ...

Page 10

... The transconductance is variable by selecting external resistors R2/R1 and sense resistors RS is: FLTINP coil V refout R 1 PWM 2 DEC 3 BUFFER R1 V refout 45 R 0.5 V CCV12 refout Fig.4 Transconductance model. 10 Preliminary specification TDA5147CH I coil = ------------------------------------------- - V – V VFLTINP refout 2I coil ---------------------------------------------------- - V – V VFLTOUT refout ---------- - ------- - -------- A/V gain ...

Page 11

... With the V signal at 0.5V PCNTL CC disabled while the rest of the circuits remain enabled. A sleep mode is initiated when the spindle and VCM are disabled (this places the TDA5147CH in its lowest power setting). A CTUATOR PARK Retracting the actuator can be accomplished by driving V LOW in conjunction with either the spindle turning PCNTL or a brake voltage has been applied ...

Page 12

... VCM can be adjusted (RET actuator. The status of both the VCM driver blocks and the spindle driver blocks is shown in Tables 5 and Fig.6 Power-on reset timing. 12 Preliminary specification TDA5147CH pin) to limit the velocity of the ADJ MGG848 threshold t t ...

Page 13

... LOW) and the VCM are disabled (V T HERMAL SHUTDOWN When the TDA5147CH junction temperature is greater than 150 C all power drivers will be automatically t C disabled. This is to ensure that no fire hazard occurs due to chip overheating. ...

Page 14

Table 4 One-shot, comparators, filter, amplifier and logic decoder modes CURRENT FUNCTION ONE-SHOT COMPARATOR Spindle enable ON ON Spindle disable ON ON PORN LOW ON ON Sleep ON ON Table PWM, power, PORN and retract modes ISREF ...

Page 15

... MOS devices. THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient th j-a 1997 Jul 09 CONDITIONS indefinite time period indefinite time period PARAMETER in free air 15 Preliminary specification TDA5147CH MIN. MAX. 0.3 +6.0 0.3 +7.0 0.3 +13.5 0.3 +15.0 0.3 +20 0.3 ...

Page 16

... CONDITIONS connected between BSTCP1 and BSTCP2 connected between BSTFLT and ground see Table 3.5 CC5 state also achieved with floating input state also achieved with floating input 16 Preliminary specification TDA5147CH MIN. TYP. MAX. 4.5 5 5.5 10.8 12 13.2 10.8 12 13.2 10 ...

Page 17

... VCM load) sleep mode (no spindle or VCM load) sense resistor output sleep mode (no spindle or VCM load) sense resistor input sleep mode nominal voltages voltage drop of 100 mV across booster 17 Preliminary specification TDA5147CH MIN. TYP. MAX. 3.0 2.0 625 0.33 220 1.8 ...

Page 18

... OL CC (below threshold voltage (above hysteresis voltage) capacitance = 220 nF see Fig.7 gives a warning 15 C before T SOFF I = 500 A Out Out 18 Preliminary specification TDA5147CH MIN. TYP. MAX. 8.7 9.0 9.3 4.4 4.5 4.6 70 110 200 280 3.25 3.32 3.39 2.74 2.8 2.86 ...

Page 19

... SDRV amb 125 C SDRV j disable state T = 125 SDRV test for Miller network at HIGH-to-LOW voltage transition 100% duty factor SIPWM 50% duty factor at SIPWM 0% duty factor at SIPWM 19 Preliminary specification TDA5147CH MIN. TYP. MAX +10 0 0.7 CCA2 1.6 0 0.5 2.7 0.8 1.0 1.3 1 ...

Page 20

... R = 0.33 s for 50% duty factor 0.33 s for 5% duty factor 0.33 s for 0% duty factor 0. 0. mH, s motor R = 12.0 motor 20 Preliminary specification TDA5147CH MIN. TYP. MAX. 600 850 1100 12 2.0 2.56 3.0 0 0.1 0 3.0 10 4.9 5.0 5.1 0.324 ...

Page 21

... SHPWR1 = 6.5 V; SHPWR2 RET = 0 V; ADJ LOAD(VCM and V IPWMH IPWML FLTINP voltage range 100% duty factor 0% duty factor 21 Preliminary specification TDA5147CH MIN. TYP. MAX. 3.0 5 0.8 1.1 1.4 0.8 1.1 120 50 200 +200 +1.0 1.0 31.5 32 32.5 1 ...

Page 22

... 0.5V ISENH ISENL < 20 kHz i ADJ V = 0.4 V BRKTC V = 0.4 V RETADJ SHPWR2 = 5 V; CC5 400 A CC12 RETADJ 22 Preliminary specification TDA5147CH MIN. TYP. MAX. 500 2.08 V 2.0 V 1. 2.08 3.8 4.0 4.2 200 +415 +540 400 400 ...

Page 23

... I at duty factor = 50%; 0 RCVM 50% duty IPWMH IPWML factor 0. 6 from CMINP CMINP refout are connected together; the outputs SDRVU, SDRVV, SDRVW, V CC5 23 Preliminary specification TDA5147CH MIN. TYP. 1.0 1.5 2 CMN 2 0. 0.07 10 MAX. UNIT 1.25 1 MHz ...

Page 24

... From equation (3) and (4 1997 Jul CMINP refout V V – refout FLTOUT refout -------------------------------------------- - = ------ - V – SENS1 refout (voltage across – V SENS1 ISENL = ----------------- - – s SENS1 refout = --------- - or ----------------------------------------- - = ------------------------------------------ - V V – FLTINP refout 2 -------------------------------------------- - V V – FLTOUT refout R2 2 ------ - V V – SENS1 refout ------ -- - 2 ------ - = -- - ------ ------- - Preliminary specification ): 4 TDA5147CH (1) (2) (3) (4) (5) ...

Page 25

... V supplies; auto-park in the event of power-down; Auto-brake after park in case of power down. 1997 Jul 09 TDA5147CH PORN POWER-ON RESET V PCNTL PARK V IPWML, V IPWMH VOICE COIL MOTOR DRIVE SCNTL1 to 3, SIPWM SPINDLE SENU, SENV, SENWIS Fig.8 System block diagram. 25 Preliminary specification TDA5147CH ACTUATORS MGG847 ...

Page 26

... SCNTL3 22 SMODE1 13 SIPWM 44 (1) Optional. 1997 Jul FLT TDA5147CH 54, 55 CLAMP Fig.9 Application diagram. 26 Preliminary specification TDA5147CH POR5 VADJ 17 POR12 VADJ 16 CPOR 14 V FLTINP 3 V ISENS1 61 V FLTOUT 4 V CMINP 47 V CMP 51 V ISENL 60 V ISENH 57 V CMN 59 SISINK2 19 SISINK1 ...

Page 27

... REFERENCES JEDEC EIAJ MS-022 27 Preliminary specification detail 17.45 1.03 1.4 1.60 0.16 0.16 16.95 0.73 1.1 EUROPEAN PROJECTION TDA5147CH SOT393 (1) ( 1.2 1.2 7 0.10 o 0.8 0.8 0 ISSUE DATE 94-06-22 96-05-21 ...

Page 28

... 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. 28 Preliminary specification TDA5147CH ...

Page 29

... 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. 1997 Jul 09 29 Preliminary specification TDA5147CH ...

Page 30

... Philips Semiconductors 12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip 1997 Jul 09 NOTES 30 Preliminary specification TDA5147CH ...

Page 31

... Philips Semiconductors 12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip 1997 Jul 09 NOTES 31 Preliminary specification TDA5147CH ...

Page 32

... Tel. +46 8 632 2000, Fax. +46 8 632 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2686, Fax. +41 1 481 7730 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...

Related keywords