TLE7241E Datasheet, PDF (25/71 Pages) Infineon Technologies AG – Dual Channel Constant Current Control Solenoid Driver

TLE 7241E
Functional Description and Electrical Characteristics
OPEN CIRCUIT FAULT - OCCURS & CLEARS WHILE OFF
14V
VPOSx
2.5V
dVPOS/dt
open
Load State
ok
OL/SGx
fault state
OL/SGx latched
fault state
CSB
t < tos(off)
tos(off)
MOSI
MISO
G.C.
cmd
G.C.
response
G.C.
cmd
G.C.
response
OLS G=0
OLS G=1
The Latched Fault State is sampled and stored in the SPItransmit register at the points marked with “ “ .
G.C.
cmd
G.C.
response
OLS G=0
Figure 10 Open Load Short to Ground - Channel Off
d----V_{----P---O----S- = -----------}–_---(_---i_--O---L----–_----i_{--R----r-e---c--i-r--c--})_-----------
(1)
dt
(C_POS + C_NEG + C_OUT)
i_OL = open load detection pull down current (5.4.3.1)
i_Rrecirc = reverse leakage current of recirculation diode
C_POS = external capacitance on the POS pin
C_NEG = external capacitance of the NEG pin
C_OUT = external capacitance on the OUT pin
Data Sheet
25
Rev. 1.1, 2009-01-19