Infineon Technologies TLF35584Qx Switching Voltage Regulators
Infineon Technologies TLF35584Qx Switching Voltage Regulators offer multiple output system supply with multi-safety features. These switching voltage regulators offer wide switching frequency range that optimizes efficiency and usage of small filter components. The TLF35584Qx switching voltage regulators feature a dedicated reference-regulator that supplies the Analog to Digital Converter (ADC) independently from Microcontroller (µC)-load steps. This dedicated reference-regulator also acts as a tracking source for the 2 independent sensor-supplies.
The TLF35584Qx switching voltage regulators provide multiple safety features that enable easy realization of ASIL-D with various microcontrollers. These regulators also feature flexible state machines, a wake-up concept including a timer, and a standby regulator, making them ideal for use in numerous safety-relevant applications. Typical applications include powertrain, xEV, and chassis/safety.
Features
- Pre-/post-regulator concept boost and buck/LDOs and trackers for:
- ADC µC with Stby mode
- Transceivers
- Sensors
- Integration of functional safety:
- UV / OV-monitoring
- Flexible watchdogs
- Error-monitoring
- Safe state controller with 2 outputs
- BIST
- Enables ASIL-D on system level
- Easy ISO26262 implementation by full documentation set
- Multiple output system supply
- Wide switching frequency
- Dedicated reference-regulator
- 2 independent sensor-supplies
- Flexible state machine
- Safety integrity functions
Applications
- Powertrain:
- Engine management
- Transmission
- Transfer case
- Integrated starter generator
- xEV:
- Battery management
- Inverter
- DC/DC
- Charger
- Chassis / Safety:
- Electrical power steering
- Electrical steering column lock
- Electrical parking brake
- Active suspension
- Chassis control
- Domain control
- ADAS domain control
Specifications
- 70µA Quiescent Current (Iq)
- SMT mounting
- -40°C to 150°C operating temperature
- DC / DC buck-boost regulator type
- 2% tolerance
- 5V Quiescent Voltage (Vq)
- Window-WD and functional-WD watchdog timer
- Tape and reel packing type
- PG-VQFN-48 package
Application diagram
TLF35584Qx Regulators Block Diagram
Development Tools
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