SA56202 Datasheet, PDF (3/24 Pages) NXP Semiconductors – One-chip motor driver

Philips Semiconductors
5. Block diagram
SA56202
One-chip motor driver
HU+
HU−
HV+
HV−
HW+
HW−
HBIAS
RREF
REMF
RLIM
V_SS1(SPN)
U
V_DD1(SPN)
V
V_SS2(SPN)
W
V_DD2(SPN)
FG
V_SSD
VINSPN
VINREF
V_DDA
CP1
CP2
CP3
CTL1
CTL2
TEMP
1
REVERSE
OSCILLATOR
56
2
DETECTION
55
3
HALL
THERMAL
4
AMP
FG
SHUTDOWN
54
5
53
6
52
51
50
49
7
HALL BIAS
48
LEVEL
8
VINREF
SHIFT
47
9
CURRENT
10 ^REFERENCE
46
LEVEL
11
VINREF
SHIFT
45
44
12
43
13
42
LEVEL
14
SPINDLE
VINREF
SHIFT
41
LOGIC
15
40
16
LEVEL
17
VINREF
SHIFT
39
18 _FG
38
19
37
20
ADC
21 _VINREF
22
36
SLED
35
LOGIC
34
23
24 CHARGE
25
PUMP
26
MUTE/
27
STANDBY
FUNCTIONS
28
SA56202
33
32
31
47 kΩ ₃₀
VINREF
47 kΩ ₂₉
VINREF
COSC
DIODE
V_SS(DIO)
VINLD
VINFCS
VINTRK
VINTLT
V_DD(LD)
LDO+
LDO−
FCSO+
FCSO−
V_SS(LIN)
V_DD(ACT)
TRKO+
TRKO−
TLTO+
TLTO−
RSLD1
SLDO1+
SLDO1−
RSLD2
SLDO2+
SLDO2−
V_DD(SLD)
V_SSA
VINSLD2
VINSLD1
001aaa429
Fig 1. Block diagram.
9397 750 12772
Preliminary data sheet
Rev. 01 — 19 July 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
3 of 24