bts50080a Infineon Technologies Corporation, bts50080a Datasheet - Page 23

• Manufacturer Part Number: bts50080a
• Description: Smart High-side Power Switch
• Manufacturer: Infineon Technologies Corporation

7
For diagnosis purposes, the BTS50080-1EGA provides an Infineon
7.1
In ON-State, diagnosis is allways enabled. Providing a low signal at the DEN pin will disable the reporting. In OFF-
state, both, reporting and diagnosis can be disabled by a low signal at DEN pin. The pin IS will be set to tri-state
mode when a low signal is provided at the DEN pin. A high signal at the DEN pin enables the reporting and the
open load and short to battery diagnosis during OFF mode. A falling edge at the DEN resets a preceding latched
output and reporting condition. Please see
Figure 20
Datasheet
GND
V
b b
V
V
b ,IS
IS
R
DEN
I
IS
IS
Diagnostic Functions
Diagnosis Enable
Block Diagram: Diagnosis
IN
IS
ESD
protection
I
L
ϑ
>I
j
> ϑ
L( SC )
jT
≥1
&
INTELLIGENT LATCH
Figure 20
reporting enable
S
R
1
Q
Q
and
23
&
GND
Table 1
open load
diagnosis
current
sense
fault
for details.

&
≥1
ENHANCED SENSE signal at the pin IS.
I
IS(fa u lt)
I
Smart High-Side Power Switch
L(OL)
1
0
I
V
L
/k
D S
0 1
IL IS
<V
@OFF detection
D S(O L )
open load
Diagnostic Functions
BTS50080-1EGA
&
VBB
V1.0, 2009-04-06
OUT
S e n se.e mf
I
L
V
D S