BTS7040-1EPA
PROFET™ +2 12V
Protection
START
Channel remains OFF
no
IN is "high"
yes
yes
"Retry" cycles =
nRETRY(CYC)
no
no
ALL "Restart"
conditions fulfilled
Switch channel OFF
no
yes
Switch channel ON
IN is "high"
yes
Channel remains ON
no
Fault
(Overtemperature or
Overload)
yes
Switch channel OFF
Counter++
"Retry" cycles++
Wait for tRETRY
Counter < nRETRY(CR)
yes
no
"Retry" cycles =
nRETRY(CYC)
no
yes
Wait until IN is "low" then
start counting for tDELAY(CR)
no
IN is "low"
yes
Continue counting for
tDELAY(CR)
tDELAY(CR) elapsed
no
yes
Counter = 0
"Retry" cycles = 0
Protection_PRO FET _Flow.emf
Figure 29 Retry Strategy Flowchart
Data Sheet
36
Rev. 1.10
2020-12-14
INFINEON [ Infineon ]
