KA3050 데이터 시트보기 (PDF) - Fairchild Semiconductor
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KA3050 Datasheet PDF : 22 Pages
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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
SM4
SM3
SM2
SM1
P-GND2
DM3
DM2
DM1
IRO
P-GND2
FMO
FBR
P-VE
P-VE
S-VE
S-GND1
IRI
FMI
VDS
BTS
RBT
DEO
VDD
VDI
VCC
MC1
KA3050
Pin Function Description
IC on/off
Comparator input
PNP open collector output
PNP open collector output
Trigger input
Magnet drive input
Power ground 1
Step motor & AE meter power
Step motor & AE meter power
NPN open collector output
PNP open collector output
Magnet drive output (NPN open collector output)
Power ground 1
Step motor & AE meter output 5
Step motor & AE meter output 4
Step motor & AE meter output 3
Step motor & AE meter output 2
Step motor & AE meter output 1
Power ground 2
DC motor output 3
DC motor output 2
DC motor output 1
IRED drive output
Power ground 2
Step-up converter switching output
IRED feedback input
Power VE (Battery power)
Power VE (Battery power)
Signal VE (Battery power)
Signal ground 1
IRED control input
Step-up converter clock input
VDD selection (4V/5V)
Battery selection (3V/6V)
VE voltage detection output(analog)
VE voltage detection output(digital)
Inside power & outside power output
Step-up voltage
Motor drive IC power & control block power (5V) output
MC code input 1
3
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