TLE6214L_04 Datasheet, PDF (14/22 Pages) Infineon Technologies AG – Smart Dual Current Sense Switch

Datasheet TLE 6214 L
Fig. 4 : Diagnostic at “Overload” Condition (programmed for “Current Limit 2”)
OVL
OVL
Condition
IN
I_{D (lim 2 )}
I_{OUT Inom}
V_Bat
ON
OFF
ILIM2 Failure
latched
t_{d(off) shutdown}
ILIM2 Failure
latched
t_{d(off) shutdown}
ILIM2 Failure
latched
t_{d(off) shutdown}
V _{OUT I*RON}
ST
set
reset
set
FAULT
SO
HH
set _HL
(Normal Function) (OVL)
reset
HH
reset
HL
HH
HL
HH
CS
Valid SPI cycles
Fig. 5 : Diagnostic at “Open Load/Under Current” Condition
OL/
UC
OL(“OFF”)/UC(“ON”) Condition
NO
OL/UC
IN
ON
OFF
I_OUT
V_Bat
V_OUT
I_nom
I_D(UC)
t_d(fault) t_d(fault)
t_d(fault)
V _{DS(O L)}
t_d(fault) t_d(fault)
set
ST
reset
reset
I* R _{O N}
reset
t_d(fault)
t_d(fault)
t< t_d(fault)
reset
FAULT
rewritten
set
reset
SO ^{HH LH HH}
(Normal
F u n c tio n )
reset
LH
(UC)
rewritten
LH
(OL)
CS
HH LH
LH
Valid SPI cycles
HH
LH
HH
LH
HH
V3.0
Page 14
18.10.2004