TSM1014 Datasheet, PDF (4/10 Pages) STMicroelectronics – Low Consumption Voltage and Current Controller for Battery Chargers and Adaptors

TSM1014
Figure 1: Internal schematic
Electrical Characteristics
1 ^Vref
Vref
Vcc ₈
28V
2 ^Cc-
Ccout ₇
CC
Cc+
3
Gnd
6
Cv-
CV
4
Cvout
5
Figure 2: Typical adapter or battery charger application using TSM1014
Vcc
DS
CS +
Rlimit
Vcc
1
Vref
28V
R4
100K
3
Cc+
CV
CV Out
Cv-
TSM1014
CC
CC Out
+
Cc-
Gnd
Ric1
22K
R5 Vsense
Ric2
10K
1K
Rsense IL
OUT+
D
R3
100
5
R2
IL
4
7 ^Rvc1
22K
Cic1
2.2nF
+
Cvc1
2.2nF
R1
OUT-
In the application schematic shown in Figure 2, the TSM1014 is used on the secondary side of a flyback
adapter (or battery charger) to provide an accurate voltage and current control. The above feedback loop
is made with optocoupler.
4/10