User Manual
931
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
High-Side Switch
26
High-Side Switch
26.1
Features
The high-side switch is optimized for driving resistive loads. Only small line inductance are allowed. Typical
applications are single or multiple LEDs of a dashboard, switch illumination or other loads that require a high-
side switch.
A cyclic switch activation during Sleep Mode or Stop Mode of the system is also available.
Functional Features
• Multi-purpose high-side switch for resistive load connections (only small line inductances are allowed)
• Overcurrent limitation
• Overcurrent detection with thresholds: 25 mA, 50 mA, 100 mA, 150 mA and automatic shutdown
• Overtemperature detection and automatic shutdown
• Open load detection in on mode with open load current of max. 1.5 mA.
• Interrupt signalling of overcurrent, overtemperature and open load condition
• Cyclic switch activation in Sleep Mode and Stop Mode with cyclic sense support and reduced driver
capability: max. 40 mA
• PWM capability up to 25 kHz
• Internal connection to System-PWM Generator (CCU6)
• Slew rate control for low EMI characteristic
Applications hints
• The voltage at HSx must not exceed the supply voltage by more than 0.3V to prevent a reverse current from
HSx to VS.