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M1014

Low Consumption Voltage and Current Controller for Battery Chargers and Adaptors

STMicroelectronics 

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.

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