www.fairchildsemi.com
KA3050
Camera Motor Drive and Control IC
Features
• Built-in DC motor driver : 1.5-CH DC motor d...
www.fairchildsemi.com
KA3050
Camera Motor Drive and Control IC
Features
Built-in DC motor driver : 1.5-CH DC motor driver : CW, CCW & Brake Stepping motor driver Built-in strobo control Built-in IRED driver for auto-focus Built-in VE selector Built-in VE voltage detector Built-in 5V
regulator Built-in step-up DC/DC converter controller
Description
The KA3050 is a monolithic integrated circuit, and suitable for the motor driver (AE, AF, zoom and reel motor driver) and the controller (strobo trigger, IRED driver, supply voltage detector, step-up converter control, etc.) in camera systems.
48-QFP-1010E
Typical Applications
Camera system
Ordering Information
Device KA3050 Package 48-QFP-1010E Operating Temp. −20°C ~ +50°C
Rev. 1.0.1 February. 2000.
©2000 Fairchild Semiconductor International
KA3050
Pin Assignments
S-GND1
S-VE
P-VE
P-VE
DEO
RBT
BTS
VDS
36
35
34
33
32
31
30
29
28
27
26
25
FMO
FBR
FMI
IRI
VDD VDI VCC
37 38
24 23
P-GND2
IRO
39
22
DM1
MC1
40
21
DM2
MC2
41
20
DM3
MC3 MC4
42
19
P-GND2 SM1
43
KA3050
18
S-GND2 SC1
44
17
SM2
45
16
SM3 SM4
SC2
46 47
15 14
SC3
SM5 P-GND1
SC4
48
13
1 SEL
2 NES
3 PTR
4 NEC
5 TRI
6 MGI
7 P-GND1
8 VSI
9 VSI
10 OSC
11 TRO
12 MGO
2
KA3050
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 Pin Name SEL NES PTR NEC TRI MGI P-GND1 VSI VSI OSC TRO MGO P-GND1 SM5 S...