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SA56203TW PDF даташит

Спецификация SA56203TW изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «One-chip motor driver».

Детали детали

Номер произв SA56203TW
Описание One-chip motor driver
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SA56203TW Даташит, Описание, Даташиты
SA56203
One-chip motor driver
Rev. 01 — 30 September 2004
Preliminary data sheet
1. General description
The SA56203 is a one-chip motor driver IC that is capable of driving all motors of CD or
DVD systems e.g. spindle, sled and loading motors and actuators on the optical pick-up
unit. The driver intended for the 3-phase, brushless, Hall-commutated spindle motor uses
PWM switching. Internal regeneration of the back EMF of the spindle motor enables the
driver to operate in current-steering mode without using external power-dissipating sense
resistors. The driver for the 2-phase sled stepper motor operates in current-steering PWM
mode. In addition the IC contains four full-bridge linear channels that can be used to drive
a loading motor and 3D actuators (focus, tracking and tilt).
The SA56203 is available in an exposed die pad HTSSOP56 package.
2. Features
s Low heat generation due to power-efficient direct full-bridge switching of spindle motor
driver
s Controlled spindle motor current during acceleration and brake
s Reverse torque brake function (full bridge)
s Adjustable spindle motor current limiter
s Internal regeneration for EMF of spindlewww.DataSheet.co.kr motor
s Current-steering PWM controlled stepper motor driver for sled
s Four class-AB linear channels for loading motor and 3D actuators (focus, tracking and
tilt)
s Tracking actuator driver with back EMF amplifier
s Loading motor driver with transresistance amplifier for loading current
s Low on-resistance D-MOSFET output power stages
s Built-in thermal shutdown and thermal warning
s Interfaces to 3 V and 5 V logic
s Package with low thermal resistance to heatsink (reflowable die pad)
s Lead free package.
3. Applications
s DVD+RW, DVD-RW and DVD-RAM
s Combi
s CD-RW
s Other compact disc media.
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SA56203TW Даташит, Описание, Даташиты
Philips Semiconductors
SA56203
One-chip motor driver
4. Ordering information
Table 1: Ordering information
Type number
Package
Name
Description
Version
SA56203
HTSSOP56 plastic thermal enhanced thin shrink small outline package; 56 leads; body SOT793-1
width 6.1 mm; exposed die pad
www.DataSheet.co.kr
9397 750 13365
Preliminary data sheet
Rev. 01 — 30 September 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
2 of 27
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SA56203TW Даташит, Описание, Даташиты
Philips Semiconductors
5. Block diagram
SA56203
One-chip motor driver
HU+
HU
HV+
HV
HW+
HW
1
2
3
4
5
6
HALL
AMP
REVERSE
DETECTION
FG
7
HBIAS
HALL BIAS
RREF 8
REMF
9
10
CURRENT
REFERENCE
RLIM
47 k
VINREF
47 k
VSS1(SPN)
U
VDD1(SPN)
V
VSS2(SPN)
W
VDD2(SPN)
11
12
13
14
15
16
17
SPINDLE
LOGIC
VINREF
47 k
VINREF
www.DataSheet.co.kr
47 k
VINREF
FG
VSSA
VINSPN
VINREF
VDDA
CP1
CP2
CP3
18 FG
19
20
21
VINREF
22
SA56203
ADC
500 k
23
24 CHARGE
25 PUMP
26
CTL1
MUTE/
CTL2
27
STANDBY
FUNCTIONS
28
TEMP
Fig 1. Block diagram.
OSCILLATOR
56
COSC
THERMAL
SHUTDOWN
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
SLED
LOGIC
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
47 k
31
30
VINREF
47 k
29
VINREF
VINLD
VINTRK
VINFCS
VINTLT
VDD(LD)
VDD(TRK)
LDO +
LDO
TRKO +
TRKO
VSS(ACT)
VDD(ACT)
FCSO +
FCSO
TLTO +
TLTO
VDD(SLD)
RSLD1
SLDO1+
SLDO1
RSLD2
SLDO2 +
SLDO2
VSS(SLD)
VLDTRK
VINSLD2
VINSLD1
001aab244
9397 750 13365
Preliminary data sheet
Rev. 01 — 30 September 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
3 of 27
Datasheet pdf - http://www.DataSheet4U.net/










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