參數(shù)資料
型號： TSM111CDT
英文描述： Analog IC
中文描述： 模擬IC
文件頁數(shù)： 10/17頁
文件大?。?/td> 148K
代理商： TSM111CDT
TSM111
10/17
SUPERVISORY CIRCUIT OPERATION
The system power ON/OFF logic is generated by
the PC, which is “Low” in system “On” condition
and “High” when the system is “Off”. This is con-
nected to remote pin 7.
The IC’s internal logic circuit generates a control
signal on pin 6. In normal operation, when there is
no over voltage or over current at the three inputs,
the voltage on pin 6 follows the Remote pin 7 volt-
age, i.e. if the remote pin 7 is low the pin 6 is also
low or vice versa.
When fault is detected on the inputs, control pin 6
goes “High”. This control pin 6 output can be used
to turn off the Mains Power Supply during fault
condition. An optocoupler is connected directly,
with cathode connected to the IC pin 6 and anode
to 5V (from STDBY supply).
In normal operation the voltage on pin 6 is (opto
cathode) is around 3.7 V. On the primary side the
opto transistor collector ispulled through a resistor
to Vref.
It isrequired to invertthe signal before connecting
to the feedback compensation pin 6 of L5991A for
reverse logic. i.e during normaloperation thecom-
pensation pin is not affected and during fault con-
dition thepin is pulled Low. Slight delay (R34,C32)
is introducedon the primary side to avoid fault turn
on condition.
N
ote :
Once thefault condition isremoved, itis required toreset the
Remote pin to make the system function again.
BILL OF MATERIAL
The following are the bill of material for the 90W SMPS :
No
Part Number
Qt
Manufacturers
Remarks / Descriptions
ICs
1
2
3
4
5
L5991A
VIPer20 DIP
TSM111
LM7912CV
TL431
1
1
1
1
1
ST
ST
ST
ST
ST
Advanced PWM Controller
Aux controller PWM+Mos
Triple Voltage and Current Supervisor
-12V Post Regulator
Programmable Voltage Reference
MOSFETS
6
7
Rectifiers
8
9
STP6NB80
STP3020L
1
1
ST
ST
TO220 6A, 800V Mos
TO220 22mohm 33V Mos
BYV10-40
BYW100-200
1
3
ST
ST
1A, 40V or BYV10-60 or BYW100-200
1A, 100V or 200V, BYW100-100
2x10A, 40V or STPS2045CT or
STPS30L40CT
2x5A, 40V
3Amp 400VAC Bridge Rectifier or higher
10
STPS20L40CT
1
ST
11
12
13
STSPS10L40CT
KAL04
1N4148
1
1
1
ST
-
-
Transformers / Inductors
12
HM00-98 150
13
HM00-98151
14
HM00-98 148
15
HM50-150K
16
HM11-51502
17
HM28-32022
18
10uH
Connectors
19
AC input conn
20-pin conn:
39-02-2200
21
Fann connector
22
Fuse 3.5A
23
NTC
24
TLP621 Optocoupler
25
AC switch
26
115V-23oV selector
1
1
1
1
1
1
1
BI Tech. **
BI Tech.
BI Tech.
BI Tech.
BI Tech.
BI Tech.
-
Aux Transformer
Main Transformer
Coupled inductors
15uH inductors - output filter
2.2uH inductors - output filter
Common Mode choke - AC input filter
10uH inductors - output filter
1
-
20
1
Molex
20 pin output connector with terminals
Molex 39-00-0038
1
1
1
3
1
1
-
-
Siemens
Toshiba
-
-
2.2 ohm
100% transfer ratio
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