www.fairchildsemi.com
FAN8702/FAN8702B
6-Channel DSC Motor Driver
Features
•
•
•
•
•
•
•
•
•
•
Independent 6-Channel H-Bridge.
Output Current up to 600mA (Each Channel)
Constant Current Control on CH5 and CH6.
Constant Voltage Control on CH1,2,3 and CH4.
Built in Brake Function on CH3,4 and CH6.
Built in Short Through Protection.
Low Saturation Voltage.
Low Voltage operation.
Built in Reference Voltage.
Built in Thermal Shut Down.
Description
The FAN8702 is designed for portable equipments such as
DSC and video camera. It consists of 2 constant current
and 4 constant voltage drive blocks suitable for shutter,
auto-focus, iris and zoom motor drive.
48-LQFP-0707
Typical Applications
• DSC One Chip
Ordering Information
Device
FAN8702
FAN8702B
FAN8702_NL
Note
NL : Lead Free
Package
48-LQFP-0707
48-LQFP-0707
48-LQFP-0707
Operating Temp.
-20°C to +80°C
-20°C to +80°C
-20°C to +80°C
-20°C to +80°C
FAN8702B_NL 48-LQFP-0707
Rev.1.0.2
©2004 Fairchild Semiconductor Corporation
FAN8702/FAN8702B
Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Pin Name
IN 1
IN 2
IN 3
IN 4
IN 5
IN 6
IN 7
IN 8
IN 9
IN 10
IN 11
IN 12
INHD
SGND
NC
VDD
FC2
FC1
NC
VCC2
VB2
NC
PGND
OUT8
OUT7
OUT6
OUT5
OUT12
RFG2
OUT11
OUT10
RFG1
OUT9
OUT4
OUT3
OUT2
OUT1
PGND
NC
VB1
VCC1
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
P
-
P
A
A
-
P
P
-
P
A
A
A
A
A
Α
A
A
Α
A
A
A
A
A
P
-
P
P
Pin Function Description
Logic Input 1
Logic Input 2
Logic Input 3
Logic Input 4
Logic Input 5
Logic Input 6
Logic Input 7
Logic Input 8
Logic Input 9
Logic Input 10
Logic Input 11
Logic Input 12
Voltage Adjust for Vref
Signal Ground
Non Connection
Supply Voltage (Logic Voltage)
Compensation 2
Compensation 1
Non Connection
Supply Voltage (Current Drive2)
Supply Voltage (Voltage Drive2)
Non Connection
Power Ground
Voltage Driver OUT8
Voltage Driver OUT7
Voltage Driver OUT6
Voltage Driver OUT5
Current Driver OUT12
Current Sensing2
Current Driver OUT11
Current Driver OUT10
Current Sensing1
Current Driver OUT9
Voltage Driver OUT4
Voltage Driver OUT3
Voltage Driver OUT2
Voltage Driver OUT1
Power Ground
Non Connection
Supply Voltage (Voltage Drive1)
Supply Voltage (Current Drive1)
Remark
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3
FAN8702/FAN8702B
Pin Definitions
(Continued)
Pin Number
42
43
44
45
46
47
48
Pin Name
VREF
VC1
VC2
ISH
IAE
NC
NC
I/O
A
A
A
Α
A
-
-
Pin Function Description
Reference Voltage Out
Voltage Adjust for Out 1~4
Voltage Adjust for Out 5~8
Voltage Adjust for Shutter(Out9~10)
Voltage Adjust for IRIS(Out11~12)
Non Connection
Non Connection
Remark
-
-
-
-
-
-
-
4
stm32/stm8
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