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TSM1051 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. TSM1051
Description  CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER FOR BATTERY CHARGERS AND ADAPTORS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TSM1051 Datasheet(HTML) 4 Page - STMicroelectronics

   
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In the above application schematic, the TSM1051 is used on the secondary side of a flyback adapter (or
battery charger) to provide an accurate control of voltage and current. The above feedback loop is made
with an optocoupler.
Figure 1 : Internal Schematic
Figure 2 : Typical Adapter or Battery Charger Application Using TSM1051
+
-
+
-
1.210V
200mV
Ictrl
Gnd
Vsense
Vcc
Out
D
+
R2
R1
Rsense
Rvc1
470K
Cvc1
2.2nF
Ric1
22K
To primary
OUT+
OUT-
+
TSM1051
Cic1
2.2nF
Cvc2
22pF
IL
IL
+
-
+
-
1.210V
200mV
Ictrl
Gnd
Vsense
Vcc
Out
Vsense
Ric2
500
Rout


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