TLE8242-2L Infineon Technologies, TLE8242-2L Datasheet - Page 31

• Manufacturer Part Number: TLE8242-2L
• Manufacturer: Infineon Technologies

Specifications of TLE8242-2L

• Packages: PG-LQFP-64
• Channels: 8.0
• Output Current: -
• Rds (on): -
• Quiescent Current (max.): 0,005 mA
• Operating Range: 5.5 - 42.0 V

5.8
The TLE8242 will detect current profiles due to the change in inductance caused by the opening/closing of
solenoid valves. Examples of the types of waveforms seen in this instance are shown in
Examples of waveforms that fail the Current Profile Detection test are shown in
Figure 15
Figure 16
Data Sheet
Current Profile Detection
Current Profile Diagram - Waveform Showing Valve Movement
Current Profile Diagram - Waveform Showing Valve Movement with Non-Zero Threshold in
Zone 2
(Differential Voltage )
Measured Current
(Differential Voltage )
Measured Current
OUTx Voltage
OUTx Voltage
A/D Samples
A/D Samples
Time Out Timer
Detect Interrupt
Time Out Timer
Detect Interrupt
Time Out
Time Out
PASS
PASS
Zone
Zone 1
1
31
Functional Description and Electrical Characteristics
Timeout for Failure
Timeout for Failure
Zone
Zone 3
3
Figure 17
Figure 15
and
Rev. 1.0, 2010-02-09
Figure
and
TLE8242-2
Figure
18.
16.