2

0699

© by SEMIKRON

Pin Array:

PIN-No.

terminal

function

1

TDT2

code for interlock time

2

SENSB

input analogue sense B

3

SENSA

input analogue sense A (type KTY85, optional)

4

RSET

input, analogue temp. sense resistance for adjustment of comparator

threshold

5ERROR

output error signal

6

SENSB_OUT

output for overtemperature signal

7

FOUT

system clock output

8

OSC1

input oscillator

9

OSC2

input oscillator, external switching

10

CPOR

time constante for POWER ON RESET

11

TR1P

output DC/DC-converter

12

TR2P

output DC/DC-converter

13

TR2N

output DC/DC-converter

14

TR1N

output DC/DC-converter

15

VDD15V

supply voltage 15 V (12 V for SKIC 2001 B)

16

BOTOUT

driver output BOTTOM

17

GND

GND

18

TOPOUT

driver output TOP

19

VDD15V

supply voltage 15 V (12 V for SKIC 2001 B)

20

VDD5V

supply voltage 5 V

21

SENSEERR

input error signal, secondary side

22

BOTERR

input error signal, secondary side

23

TOPERR

input error signal, secondary side

24

ERROR

output error signal

25

TOP

driver input TOP

26

BOTTOM

driver input BOTTOM

27

SELECT

interlock on/off

28

TDT1

code or interlock time

Fig. 1

Functional block diagram of the Control IC (SKIC2001A) inside a propulsion control