upd16858b Renesas Electronics Corporation., upd16858b Datasheet - Page 5

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

BLOCK DIAGRAM
Remarks 1. The CL pin is used to connect a filter. Leave this pin open when it is not used.
2. Where more than one pin with the same name exists (such as V
OUT2
OUT1
OUT0
not just one of them.
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
Data Sheet S13480EJ3V0DS00
Phase excitation
generator circuit
revolution
pulse
Reverse
detector
circuit
UVLO
T.S.D
CMP2
CMP1
CMP0
M
OSC
, RF, and GND), connect all of them,
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
PD16858B/C
EC
ECR
V
CT
H2
H2
H1
H1
H0
H0
HB
GND
GND
ST/SP
REV
DD
5