TLE4998P3CE1200 Datasheet, PDF (24/32 Pages) Infineon Technologies AG – Programmable Linear Hall Sensor

TLE4998P3C E1200
Error Detection
7
Error Detection
Different error cases can be detected by the On-Board-Diagnostics (OBD) and reported
to the microcontroller. The OBD is useful only when the clamping function is enabled.
7.1
Voltages Outside the Operating Range
The output signals error conditions if V_DD crosses the overvoltage threshold level.
Table 14 Overvoltage
Parameter
Symbol Limit Values
Unit
min. typ. max.
Overvoltage threshold
Output duty cycle
@ overvoltage
V_DDov 16.65 17.5
CY_PWMov 100 ¹⁾ -
18.35 V
-
%
1) _{Output stays in “off” state (high ohmic)}
Notes
7.2
EEPROM Error Correction
The parity method is able to correct one single bit in one EEPROM line. One other single-
bit error in another line can also be detected. As this situation is not correctable, this
status is signalled at the output pin by clamping the output value to CY_PWM = 100%.
Table 15 EEPROM Error Signalling
Parameter
Symbol Limit Values
Output duty cycle
@ EEPROM error
min.
CY_PWMerr 100 ¹⁾
max.
1) _{Output stays in “off” state (high ohmic)}
Unit
%
Notes
Data Sheet
24
Rev 1.1, 2009-09