User Manual
731
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
Measurement Core Module (incl. ADC2)
Figure 193 Measurement Examples of a Measurement Channel with Disabled Filters
shows three examples, an over- and undervoltage detection (e.g. VBAT_SENSE monitoring), a 2-
step overvoltage and a 2-step undervoltage detection. The modes MMODE_OV/UV = 1 can be used as
prewarning for the application software (e.g. close to overtemperature or supply undervoltage).
ADC_OUT
(VBAT)
overvoltage
detection
undervoltage
detection
a) MMODE_OV/UV = 0 (range control)
filters/counter disabled
UP_STS
TH_UP
HYST_UP > 0
HYST_LO > 0
TH_LO
LO_STS
time
ADC_OUT
(TEMP)
level 1
detection
level 2
detection
LO_STS
TH_UP
TH_LO
UP_STS
time
b) MMODE_OV = 1 (overvoltage mode)
filters/counter disabled
time
time
time
time
HYST > 0
ADC_OUT
(VBAT)
level 1
detection
level 2
detection
LO_STS
TH_UP
TH_LO
UP_STS
time
c) MMODE_UV = 1 (undervoltage mode)
filters/counter disabled
time
time
HYST > 0