upd16858b Renesas Electronics Corporation., upd16858b Datasheet - Page 11

• Manufacturer Part Number: upd16858b
• Description: Three-phase Spindle Motor Driver For Monolithic Cd-rom
• Manufacturer: Renesas Electronics Corporation.

R
S
100 mV/R
R
controller
Motor W
S
Motor V
Motor U
phase
phase
phase
R
CPU
R
C
FIL
S
FIL
FIL
1.8 k
330 pF
OUT2
OUT1
OUT0
STB
IND
I
RF
RF
RF
RF
SEN
CL
V
V
V
V
M
M
M
M
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Q5
Q6
Q3
Q4
Q1
Q2
100 mV
excitation
generator
Phase
revolution
pulse
circuit
Reverse
detector
circuit
UVLO
T.S.D
CMP2
CMP1
CMP0
OSC
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
EC
ECR
V
C
H2
H2
H1
H1
H0
H0
HB
GND
GND
ST/SP
REV
DD
T
100 pF
200
CPU
CPU
HW
controller
controller
HV
200
HU
5 V 10 %
47 F