mc35xs3500 Freescale Semiconductor, Inc, mc35xs3500 Datasheet - Page 32

• Manufacturer Part Number: mc35xs3500
• Description: Smart Rear Corner Light Switch Penta 35 M
• Manufacturer: Freescale Semiconductor, Inc

DIAGNOSIS
Open Load
output (OUT1:OUT5 ) when the output pin is in the ON state.
Open load detection levels can be chosen by the SPI to
detect a standard bulb or LEDs (OLLED bit). Open load for
LEDs only is detected during each regular switch-off state or
periodically each t
OLLED in fully on state, the output must be on at least t
When an open load has been detected, the output stays ON.
and a SPI read operation is needed (OL bit). In case of a
Power on Reset on V
32
35XS350
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The 35XS3500 provides open load detection for each
To delatch the diagnosis, the condition should be removed
OFF
out: OFF
autorestart=0
external: IGN, Flasher, Stop
external_ON: IGN_ON, Flasher_ON, Stop_ON
Note: * See Autorestart strategy chapter.
external_ON
external
(external_ON=0)
(external_ON=1)
(external_ON=0)
OLLED
(UV=1)
(external_on=1)
BAT
(fully-on, D[6:0] = 7F)
, the fault will be reset.
Figure 13. Faults Management in Normal Mode (for OUT[1:5] only)
Figure 14. Faults Management in Fail Mode (for OUT[1:5] only)
and
OCHI1
out: external
(UV=1)
(external_ON=0)
.
To detect
(t>t
(t>t
(OT=1) or
(OCHI1=1)
OCHI1
autorestart
(t>t
1.4 sec min
OLLED.
) and (autorestart=0)
OCHI1_AUTO
) and (UV*=0)
OFF-latched
State
OFF Autorestart
out: OFF
autorestart=1
) and (autorestart=1)
Current Sense
done using the current sense (CSNS) pin connected to an
external resistor. The CSNS resistance value is defined in
function to VCC voltage value. It is recommanded to use
resistor 500
5.0 V application. The routing of the current sense sources is
SPI programmable (MUX[2,0] bits).
a high over-current shutdown phase (t
during low over-current shutdown thresholds. The current
recopy output delivers current only during ON time of the
output switch without overshoot (aperiodic settling).
(external_ON=0)
The 35XS3500 diagnosis for load current (OUT1:6) is
The current recopy feature for OUT1:5 is disabled during
The current recopy is not active in Fail mode.
OCHI2
out: external
(OT=1)
Ω
(UV=1) or (OCHI2=1)
< R
CSNS
(t>t
OCHI2
Analog Integrated Circuit Device Data
< 5.0 k
(OCLO=1)
(UV=1)
) and (autorestart=0)
Ω
. Typical value is 1.0 k
Freescale Semiconductor
2
or
) and is only enabled
(OT=1)
OCLO
out: external
Ω
for