TLE 8264E Infineon Technologies, TLE 8264E Datasheet - Page 26

• Manufacturer Part Number: TLE 8264E
• Manufacturer: Infineon Technologies

Specifications of TLE 8264E

• Packages: PG-DSO-36
• Transceiver: High Speed CAN ISO 11898 - 5 / 3 x LIN2.1 / J2602
• Voltage Regulator Output: 2 x 200 mA + 400 mA
• Watchdog: Standard and Window Watchdog
• Quiescent Current (max.): 28 ?A (typ) Sleep Mode (5V on)
• Standby Current: 58 ?A (typ) Stop Mode (5V on)

7
7.1
V
increase output current flexibility. Four pins are used:
during production. An input voltage up to
current of the transistor is monitored via an external shunt resistor. The state of V
SPI register. When battery voltage is below the minimum operating battery voltage
voltage regulator switches off.
limitation. If this feature is not needed, connect pins
Since the junction temperature of the external PNP transistor cannot be read, it cannot be protected against over
temperature by the SBC, and so the thermal behavior has to be checked by the application.
Figure 8
7.2
It is possible to turn the
possible states, based on the different SBC modes.
7.3
Table 4
Table 4
SBC Mode
INIT Mode
Normal Mode
Sleep Mode
Restart Mode
SW Flash Mode
Stop Mode
Fail-Safe Mode
Data Sheet
cc3
is activated via SPI. The external voltage regulator circuitry is designed to drive an external PNP transistor to
shows the possible states of the V
External Voltage Regulator
Block Description
Functional Block Diagram
External Voltage Regulator Mode
External Voltage Regulator State by SBC Mode
External Voltage Regulator State by SBC Mode
V
cc3
ON or OFF via SPI command, depending on the SBC modes.
V
Figure 9
V
S
V
S
shunt_threshold
-V
CC3shunt
State machine
>
V
OFF
ON
OFF
Unchanged
ON
ON
OFF
cc3
shows the behavior during this phase. The shunt is used for overcurrent
V
Vcc3shunt
cc3
SMAX
external voltage regulator as a function of the SBC mode.
is regulated to
V
R
cc3shunt
BE
26
V
S
,
V
Vcc 3base
and
cc3base
V
Q,nom
V
s
,
I
CC3base
together .
V
= 5.0 V with a precision of
cc3shunt
+
-
OFF
OFF
OFF
and
External voltage diagram .vsd
V
REF
V
cc3
cc3ref
Vcc 3ref
External Voltage Regulator
is reported in the diagnostic
V
. One transistor is tested
s
<
Rev. 1.0, 2009-03-31
Table 4
V
VextUV
±
4%. The output
, the external
TLE8264E
identifies the