SA56202 Datasheet, PDF (17/24 Pages) NXP Semiconductors – One-chip motor driver

Philips Semiconductors
11. Application information
SA56202
One-chip motor driver
5V
150 Ω
HALL U
HALL V
HALL W
0V R_REF
47 kΩ
R_EMF
R_LIM
0V
spindle
motor
12 V
0V
12 V
47 kΩ
3.3 V
0V
spindle input
1.65 V
5V
10 nF
22 nF
MUTE/
SELECT
47 kΩ
3.3 V
1
REVERSE
OSCILLATOR
2
DETECTION
3
HALL
THERMAL
4
AMP
FG
SHUTDOWN
5
6
7
HALL BIAS
8
9
CURRENT
10 ^REFERENCE
11
12
13
14
SPINDLE
LOGIC
15
16
17
18 _FG
19
20
ADC
21 _VINREF
22
VINREF
LEVEL
SHIFT
VINREF
LEVEL
SHIFT
VINREF
LEVEL
SHIFT
VINREF
LEVEL
SHIFT
SLED
LOGIC
70 pF
56
0V
55
54 _{0 V}
53
52
51
50
49
tray motor in
focus in
tracking in
tilt in
12 V
48
M ^tray
47
motor
46
focus
45
actuator
44 _{0 V}
43 _{5 V}
42
tracking
41
actuator
40
tilt
39
actuator
38 ^{0.5 Ω}
37
36
35 ^{0.5 Ω}
34
0V
sled motor
M
23
24 ^CHARGE
PUMP
25
26
MUTE/
27
STANDBY
FUNCTIONS
28
SA56202
33
32
31
47 kΩ ₃₀
VINREF
47 kΩ ₂₉
VINREF
12 V
0V
sled in2
sled in1
001aaa430
For R_EMF and R_LIM see Section 7.
Fig 13. Application diagram.
9397 750 12772
Preliminary data sheet
Rev. 01 — 19 July 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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