TZA1048 Datasheet PDF - NXP


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TZA1048
NXP

Part Number TZA1048
Description 4-channel BTL driver
Page 17 Pages

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INTEGRATED CIRCUITS
DATA SHEET
TZA1048
4-channel BTL driver for
CD/DVD drives
Product specification
2004 Mar 09



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Philips Semiconductors
4-channel BTL driver for CD/DVD drives
Product specification
TZA1048
CONTENTS
1Features
2Applications
3General description
4Ordering information
5Block diagram
6Pinning
7Functional data
7.1General notes
8Limiting values
9Characteristics
10Test and application information
11Package outline
12Soldering
12.1Introduction to soldering surface mount packages
12.2Reflow soldering
12.3Wave soldering
12.4Manual soldering
12.5Suitability of surface mount IC packages for wave and
reflow soldering methods
13Data sheet status
14Definitions
15Disclaimers
2004 Mar 09
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Philips Semiconductors
4-channel BTL driver for CD/DVD drives
Product specification
TZA1048
1 FEATURES
Two Bridge-Tied Load (BTL) driver channels for sled
and spindle motors and actuators
Pulse Width Modulation (PWM) input
Integral thermal shut-down circuit
Integral mute control
Two regulated reference voltage outputs for other chips
in system; 3.3 V and 1.8 V respectively
HSOP28 package.
2 APPLICATIONS
BTL driver for CD and DVD players.
3 GENERAL DESCRIPTION
The TZA1048 is a four-channel BTL driver IC for driving
motors and actuators in CD and DVD players.
Two reference voltage outputs are also available for
peripheral ICs such as servo and pick-up head drivers.
The spindle motor control inputs to the IC can be either
differential or single-ended.
4 ORDERING INFORMATION
TYPE NUMBER
TZA1048TH
NAME
HSOP28
PACKAGE
DESCRIPTION
plastic, heatsink small outline package; 28 leads
VERSION
SOP007
2004 Mar 09
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Philips Semiconductors
4-channel BTL driver for CD/DVD drives
5 BLOCK DIAGRAM
Product specification
TZA1048
VOUT3.3
28
VFBIN3.3
27
VOUT1.8
26
VFBIN1.8
25
MUTE
RADIN
FOCIN
24 MUTE
23 24 k
22 24 k
3.3 V
GENERATOR
1.8 V
GENERATOR
x1
1
2
x1 3
VCC
RADOUTN
FOCOUTP
32.3 k
32.3 k
4
x1
5
x1 6
GND
FOCOUTN
RADOUTP
SLIN
21 24 k
VBIASIN
20
GND
19
VBIASOUT
18
MOTBIAS
17
MOTIN1
16 24 k
MOTIN2
15 24 k
TZA1048
32.3 k
32.3 k
7 VCC
8
x1 9
x1
10
VCC
SLOUTP
SLOUTN
32.3 k
11
x0.5
12
x0.5
13
GND
MOTOUTP
MOTOUTN
14 VCC
mce470
2004 Mar 09
Fig.1 Block diagram.
4




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