Status output
R ST(ON)
+5V
ST
GND
ESD-
ZD
ESD-Zener diode: 6.1 V typ., max 5 mA;
RST(ON) < 440 Ω at 1.6 mA, The use of ESD zener
diodes as voltage clamp at DC conditions is not
recommended.
Current sense output
IIS
ESD-ZD
GND
IS
V IS
R IS
ESD-Zener diode: 6.1 V typ., max 14 mA;
RIS = 1 kΩ nominal
Inductive and overvoltage output clamp
+ Vbb
VZ
VON
OUT
GND
PROFET
VON clamped to 47 V typ.
PROFET® ITS 640S2
Overvoltage protection of logic part
+ 5V
R ST
RV
RI
IN
ST
IS
V Z2
Logic
+ Vbb
R IS
V Z1
R GND
GND
Signal GND
VZ1 = 6.1 V typ., VZ2 = 47 V typ., RI= 4 kΩ typ,
RGND= 150 Ω, RST= 15 kΩ, RIS= 1 kΩ, RV= 15 kΩ,
Reverse battery protection
+ 5V
RST
RI
IN
ST
IS
RV
RIS
Logic
VZ1
GND
-Vbb
Power
Inverse
Diode
OUT
RGND
RL
Signal GND
Power GND
The load RL is inverse on, temperature protection is
not active
RGND= 150 Ω, RI= 4 kΩ typ, RST≥ 500 Ω, RIS≥ 200 Ω,
RV≥ 500 Ω,
Open-load detection
OFF-state diagnostic condition: VOUT > 3 V typ.; IN low
V bb
REXT
OFF
ST
Logic
Out VOUT
RO
Infineon Technologies AG
Page 8
Signal GND
2006-Mar-28