Datasheet

Data Sheet 9 V1.0, 2007-05-13
Smart High-Side Power Switch
BTS740S2
Input circuit (ESD protection), IN1 or IN2
,1
*1'
,
5
(6'='
,
,
,
The use of ESD zener diodes as voltage clamp at DC
conditions is not recommended.
Status output, ST1 or ST2
67
*1'
(6'
='
9
5
6721
ESD-Zener diode: 6.1 V typ., max 5.0 mA; R
ST(ON)
< 375 Ω
at 1.6 mA. The use of ESD zener diodes as voltage clamp at
DC conditions is not recommended.
Current sense output
,6
*1'
,6
5
,6
,
(6'='
,6
9
ESD-Zener diode: 6.1 V typ., max 14 mA;
R
IS
= 1 kΩ nominal
Inductive and overvoltage output clamp,
OUT1 or OUT2
9
EE
287
9
=
9
21
3RZHU*1'
V
ON
clamped to V
ON(CL)
= 47 V typ.
Overvoltage and reverse batt. protection
9
EE
,1
,6
9
5
*1'
*1'
5
6LJQDO*1'
/RJLF
352 )(7
9
=
,
5
9
=
/RDG*1'
/RDG
5
287
67
5
9
67
,6
5
V
Z1
= 6.1 V typ., V
Z2
= 47 V typ., R
GND
= 150 Ω,
R
ST
=15kΩ, R
I
=4.5kΩ typ., R
IS
=1kΩ, R
V
=15kΩ,
In case of reverse battery the current has to be limited
by the load. Temperature protection is not active
Open-load detection OUT1 or OUT2
OFF-state diagnostic condition:
V
OUT
> 3 V typ.; IN low
/RJLF
67
2XW
9
287
6LJQDO*1'
5
(;7
5
2
2))
9
EE