TLE7242-2G Datasheet, PDF (21/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

TLE7242-2G
Functional Description and Electrical Characteristics
V_SUPPLY
SG/OL-OFF
TESTED
latch
OL-OFF-
FAULT
latch
SG-
FAULT
latch
Tested Timer
(OFF)
V5A
(Vol+Vsg)/2
Ipu(sg)
(2.5V)
+
(100ua)
POSx
OA
-
Ipd(ol)
(100ua)
Cpos
NEGx
OL-OFF-FD Digital OL-FA
+
Filter
CMP
-
Vol (3V)
SG-FD _Digital SG-FA
-
Filter
CMP₊
Vsg (2V)
Cneg
OUTx
Figure 14 Off-State Diagnostics
OUTx
OFF-T
open
LOAD ok
V_POS
Vol
Vsg
Tested
T im e r
OL-OFF-F
Fault
Filter
SPI Message
Diagnostic Read
Figure 15 Off-State Diagnostics Timing Diagram - open
Tested
T im er
Fault
Filter
Data Sheet
21
Rev. 1.0, 2008-07-09