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부품번호 | TEA1024 기능 |
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기능 | Zero Voltage Switch with Fixed Ramp | ||
제조업체 | TEMIC Semiconductors | ||
로고 | |||
전체 8 페이지수
TEA1024/ TEA1124
Zero Voltage Switch with Fixed Ramp
Description
The monolithic integrated bipolar circuit, TEA1024/
TEA1124 is a zero voltage switch for triac control in
domestic equipments. It offers not only the control of a
triac in zero crossing mode but also the possibility of
power control. This is why the IC contains a mains
synchronized ramp generator with 640 ms (1280 ms)
duration (50 Hz). It is suitable for a typical load of 750 W
(1000 W) meeting the Flicker Standard. (values in
brackets relate to TEA1124.)
Features
D Direct supply from the mains
D Definite IC switching characteristics
D Very few external components
D Full wave drive – no dc component in the load circuit
D Current consumption ≤ 1.5 mA
D Output short circuit protected
D Simple power control
D Integrated ramp generator
D Reference voltage variable by external resistance
D Pulse position optimization
Package: DIP8
Block Diagram
95 10871
390 kW
R2
(Rsync)
D1 1N4007
WR1 22 k /
2W
Load
1000 W
L
7
1
56 kW
Ramp generator
TEA 1024 – 640 ms
TEA 1124 – 1280 ms
Sync. logic
min.
100 kW
max.
Protection
2
43 kW
Comparator
+
–
3
8
NC NC
4
Supply
C1
6
100 mF
16 V
VM=
230 V ~
TIC
236N MT2
5
Pulse
amplifier
RG
68 W
MT1
N
Figure 1. Typical block diagram – open loop power control
TELEFUNKEN Semiconductors
Rev. A1, 24-May-96
1 (8)
TEA1024/ TEA1124
10.00
1.00
Vmains = 230 V∼
0.10
0.01
10
96 11939
IL ( mA)
200
100
50
100 1000
P(W)
10000
Figure 6.
2.5
XVMains=230V
2
1.5
1
0.5
0
0 200 400 600 800 1000
m95 11 tp ( s )
Figure 7.
Supply Voltage
Due to higher trigger sensitivity of the triac it is supplied
with negative signal. It can be supplied via diode and
series resistance from the negative half wave of the mains.
An internal parallel controller limits the voltage between
Pin 5 and 7 to a typical value of 6.55 V.
Dimensioning of the Series Resistance
R1 (Figures 8, 9)
+ WR1max
0.85
VMmin – VSmax
2 Itot
–65
+ ) )Itot IS IP IX
+P(R1)
(VM – VS)2
2 R1
VM = Mains supply
VS = Limiting voltage of the IC
Itot = Total current requirement
Ix = Current requirement for external circuit
50
40
XVMains=230V
30
20
10
0
0
95 10114
369
Itot ( mA )
Figure 8.
12 15
Ignition (Firing) Current
The necessary ignition current depends on the specified
triac. With the help of a resistance, it is possible to limit
its value:
W [ WRGmax [ ]
5.7
V
I
– VGmax
Gmax
–25
+Ip [A]
IGmax
T
tp
whereas VG[V]= Gate voltage of the triac
IG[A]= Max. gate current
IP[A] = Average gate current requirement
tP[s] = Ignition pulse width
T[s] = Duration (of mains frequency)
6
5
4
3
2
1
0
0
95 10116
XVMains=230V
369
Itot ( mA )
Figure 9.
12 15
4 (8) TELEFUNKEN Semiconductors
Rev. A1, 24-May-96
4페이지 TEA1024/ TEA1124
95 11417
390 kW/
0.5 W
R2
(Rsync)
D1 1N4007
R1
22 kW/
2W
Load
0.7...1.5 kW
L
R4
33 kW
Rp
50 kW
NTC / M87
B value = 3474
R(25) = 10 kW
R(30) = 8 kW
R(10) = 20 kW
R6
10 kW
1
Ramp generator
TEA1024 – 640 ms
TEA1124 –1280 ms
7
Sync. logic
Protection
R12 2
2.2 kW
Comparator
+
–
3
NC
8
NC
4
Supply
C1 100 mF
16 V
VM=
230 V ~
6
TIC
236N MT2
5
Pulse
amplifier
RG
68 W
MT1
N
Figure 11. Temperature regulation with proportional range, 10 to 30 °C/ 640 ms ramp cycle
Dimensions in mm
Package: DIP8
TELEFUNKEN Semiconductors
Rev. A1, 24-May-96
7 (8)
7페이지 | |||
구 성 | 총 8 페이지수 | ||
다운로드 | [ TEA1024.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
TEA1024 | Zero Voltage Switch with Fixed Ramp | TEMIC Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |