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Part: FAN8702
Category:
Description: 6CH Motor Drive ic
Company: Fairchild Semiconductor
Datasheet: Download FAN8702 datasheet File size : 400 kB
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www.fairchildsemi.com
FAN8702/FAN8702B/FAN8702MP
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 equipment such as DSC and mobile phone 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
48MLP7X7
Typical Applications
· DSC · Mobile Phone Camera
Ordering Information
Device FAN8702MP FAN8702MPX FAN8702 FAN8702B Package 48MLP 7X7 48MLP 7X7 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
Notes X : Tape & Reel
Rev.1.0.3
©2004 Fairchild Semiconductor Corporation
FAN8702/FAN8702B/FAN8702MP
Pin Assignments
36
OUT2
35
34
33
OUT9
32
RFG1
31
30
29
28
27
26
OUT6
25
OUT7 OUT8 PG
OUT3 OUT4
OUT10 OUT11
RFG2 OUT12 OUT5
37 38 39 40 41 42 43 44 45 46 47 48
OUT1 PG NC VB1
24 23 22 21 20 19 18 17 16 15 14 13
NC VB2
VCC1
VCC2
VREF
VC1 VC2 ISH
FAN8702
NC
FC1
FC2 VDD
IAE NC NC IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11
NC SG INHD IN12
1
2
3
4
5
6
7
8
9
10
11
11
12
36
OUT7
35
34
33
32
31
30
29
RFG1
28
27
26
OUT3
25
OUT2 OUT1
OUT6 OUT5
OUT12 RFG2
OUT11 OUT10
OUT9 OUT4
37 38 39 40 41 42 43 44 45 46 47 48
OUT8 PG
24 23 22 21 20 19 18 17 16 15 14 13
PG NC VB1
NC
VB2
VCC2
VCC1
NC
VREF
FC1 FC2
VC1
VC2 ISH
VDD
NC SG INHD IN12 IN11 IN10 IN9
IAE NC
8702MP
IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1
NC
1
2
3
4
5
6
7
8
9
10
11
11
12
2
FAN8702/FAN8702B/FAN8702MP
Pin Definitions
Pin Number FAN8702/B 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 FAN8702MP 12 11 10 9 8 7 6 5 4 3 2 1 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 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 SG NC VDD FC2 FC1 NC VCC2 VB2 NC PG OUT8 OUT7 OUT6 OUT5 OUT12 RFG2 OUT11 OUT10 RFG1 OUT9 OUT4 OUT3 OUT2 OUT1 PG NC VB1 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 A A A A A A A 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) Remark -
3
FAN8702/FAN8702B/FAN8702MP
Pin Definitions
Pin Number Pin Number 41 42 43 44 45 46 47 48
(Continued)
Pin Number 20 19 18 17 16 15 14 13
Pin Name VCC1 VREF VC1 VC2 ISH IAE NC NC
I/O P A A A A -
Pin Function Description Supply Voltage (Current Drive1) 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
FAN8702/FAN8702B/FAN8702MP
Internal Block Diagram
OUT1
OUT2 VB1
OUT3
OUT4
OUT9
OUT10 VCC1
OUT5
OUT6 VB2
OUT7
OUT8
VCC1 VCC2 VB1
VDD
SGND
Constant voltage H-bridge CH1
PGND
Constant voltage H-bridge CH2
Constant current H-bridge CH5
Constant voltage H-bridge CH3
PGND
Constant voltage H-bridge CH4
VB2
PG
VREF
Reference out
5X
CH1,CH2
VC1
FC1 Quick Charge
CH5
FC1 RFG1 FC2
VC2
5X
ISH
CH3,CH4
VCC2
CH6
Constant current
OUT11
H-bridge CH6
OUT12 RFG2
IAE
Reference Control
CH1~CH6 Control
Logic
INHD IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12
TSD
Output stage
NC
5
Others parts begin by fa
FA-1 FA-2 FA-3 FA-4 FA-5 FA-6 FA-7 FA-8 FA-9 FA-10 FA-11 FA-12 FA-13 FA-14 FA-15 FA-16 FA-17
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