TLE72422GXT Infineon Technologies, TLE72422GXT Datasheet - Page 18

• Manufacturer Part Number: TLE72422GXT
• Manufacturer: Infineon Technologies

Specifications of TLE72422GXT

• Operating Temperature (max): 150C
• Operating Temperature (min): -40C
• Pin Count: 28
• Mounting: Surface Mount
• Screening Level: Automotive
• Lead Free Status / Rohs Status: Compliant

Two fault tested bits are defined:
The tested bit is set to 1 when the fault test has completed successfully.
Table 3
Tested Type
Short to Ground and Open load OFF
tested
Short to Battery tested
Each fault type can be described by the two bits: FAULT and TESTED.
Table 4
FAULT
Figure 11
Data Sheet
V
V
V
V
V
V
POS
POS
POS
Masterclock
OL
SG
SB
0
0
1
1
PWM mode enabled
TESTED
Gate is ON
PWM Start
Diagnostics Tested Bits / Flags
FAULT vs. TESTED Bits Matrix and Interpretation
Diagnostic Block Diagram
SG-FA
OL-FA
SB-FA
0
1
0
1
Interpretation by microcontroller
This fault type has not been tested
No Fault - The fault type has been tested and no fault is present
This combination cannot occur
Fault - This particular fault type has occurred
Gate On Counter
(only while OFF)
open load OFF
Divider Select
(SPI register)
digital filter
Predivider
1:128
1:192
1:256
1..64
short to ground
(only while OFF)
digital filter
OUTx High
Bit SB-T
(only while ON)
short to battery
clear
digital filter
(1..10) (shared)
fault filter timer
clear
clear
18
Functional Description and Electrical Characteristics
Tested timer
(shared)
1..10
clear
OL-OFF-FD
OL-ON-F
SG-FD
SB-FD
read SPI fault
LOGIC
OUTx Low
Bit OFF-T
register
SG-F (Short to Ground Fault)
OFF-T (Short to Ground and Open
Load Off Tested)
SB-F (Short to Battery Fault)
SB-T (Short to Battery Tested)
OL-OFF-F (Open Load Off Fault)
OL-ON-F (Open Load On Fault)
Rev. 1.0, 2008-07-09
TLE7242-2G