MC34911G5AC Freescale, MC34911G5AC Datasheet - Page 32

• Manufacturer Part Number: MC34911G5AC
• Manufacturer: Freescale

Specifications of MC34911G5AC

• Turn Off Delay Time: 10us
• Number Of Drivers: 2
• Operating Temperature (min): -40C
• Lead Free Status / RoHS Status: Compliant

Table 7. Fault Detection Management Conditions
32
33911
Notes
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
64.
65.
66.
Power Supply
BLOCK
Watchdog
High Side
Low Side
LIN
When in Reset mode a VDD under-voltage condition combined with no V
Registers to be read when back in Normal Request or Normal mode depending on the fault. Interrupts only generated in Normal, Normal Request and Stop
modes
Unless masked, If masked IRQ remains high and the ISR flags are not set.
BATTERY FAIL
VSUP OVER-
VOLTAGE
VSUP UNDER-
VOLTAGE
VDD UNDER-
VOLTAGE
VDD OVER-TEMP
PREWARNING
VDD OVER-
TEMPERATURE
RXD PIN SHORT
CIRCUIT
TXD PIN
PERMANENT
DOMINANT
LIN DRIVER OVER-
TEMPERATURE
HIGH SIDE DRIVER
OVER-
TEMPERATURE
HS1 OPEN-LOAD
DETECTION
HS1 OVER-
CURRENT
LOW SIDE DRIVERS
OVER-
TEMPERATURE
LS1 OPEN-LOAD
LS2 OPEN-LOAD
LS1 OVER-CURRENT
LS2 OVER-CURRENT
NORMAL REQUEST
TIME-OUT EXPIRED
WATCHDOG
TIMEOUT
WATCHDOG ERROR
FAULT
Normal, Normal
Request
Normal, Normal
Request
Normal Request
Normal
Normal
All except Sleep
Normal, Normal
Normal, Normal
All except Low
Power modes
MODE
All modes
Request
Request
V
then power-up
V
V
V
Temperature >
115°C (typ)
Temperature >
170°C (typ)
RXD pin shorted to
GND or 5 V
TXD pin low for more
than 1s (typ)
Temperature >
160°C (typ)
Temperature >
160°C (typ)
Current through HS1
< 5.0 mA (typ)
Current through HS1
tends to rise above
the current limit
60 mA (min)
Temperature >
160°C (typ)
Current through LSx
< 7.5 mA (typ)
Current through LSx
tends to rise above
the current limit
160 mA (min)
The MCU did not
command the device
to Normal mode
within the 150 ms
timeout after reset
WD timeout or WD
clear within the
window closed
WDCONF pin is
floating
CONDITION
SUP
SUP
SUP
DD
< 4.5 V (typ)
<3.0 V (typ)
> 19.25 V (typ)
< 6.0 V (typ)
SUP
In Normal mode, HS
and LS shutdown if
bit HVSE=1 (reg
MCR)
Reset
VDD shutdown,
Reset then Sleep
LIN trans shutdown
LIN transmitter
shutdown
HS1 thermal
shutdown
HS1 on with limited
current capability
60 mA (min)
Both LS thermal
shutdown
LSx on with limited
current capability
160 mA (min)
Reset
Reset
WD internal lower
precision timebase
150 ms (typ)
FALLOUT
under-voltage (VSUV=0) will send the device to Sleep mode.
(64)
-
-
-
-
-
Condition gone
Condition gone, to
re-enable HS or LS
write to HSCR or
LSCR registers
Condition gone
LIN transmitter re-
enabled once the
condition is gone and
TXD is high
Condition gone, to
re-enable HS1 write
to HSCR reg
Condition gone, to
re-enable LS write to
LSCR reg
Connect WDCONF
to a resistor or to
GND
RECOVERY
Condition gone
-
-
Analog Integrated Circuit Device Data
VSR (BATFAIL, 0)
VSR (VSOV,3)
VSR (VSUV,2)
VSR (VDDOT,1)
LINSR,
(RXSHORT,3)
LINSR (TXDOM,2)
LINSR (LINOT,1)
All flags in HSSR
are set
HSSR (HS1OP,1)
HSSR (HS1CL,0)
All flags in LSSR are
set
LSSR (LS1OP,1)
LSSR (LS2OP,3)
LSSR (LS1CL,0)
LSSR (LS2CL,2)
WDSR (WDTO, 3)
WDSR (WDERR, 2)
REG (FLAG,
Freescale Semiconductor
BIT)
MONITORING
-
-
-
IRQ low +
ISR (0101)
IRQ low + ISR
(0101)
IRQ low + ISR
(0101)
IRQ low + ISR
(0100)
IRQ low + ISR
(0010)
IRQ low + ISR
(0011)
INTERRUPT
(65)
(66)
(66)
(66)
-
-
-
-
-
-
(66)