Overview
The TLF35584QVVS1 is a multiple output system supply designed by Infineon Technologies for safety-relevant applications. This Power Management IC (PMIC) is optimized to supply power to microcontrollers (μC), transceivers, and sensors, utilizing an efficient and flexible pre-/post-regulator concept. It operates over a wide input voltage range and features a wide switching frequency range, allowing for optimization in terms of efficiency and the use of small filter components. The device is particularly suited for automotive applications, supporting the implementation of ASIL-D (Automotive Safety Integrity Level D) and complying with the ISO26262 standard.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | VQFN-48 (QV-version) |
| Input Voltage Range | Wide input voltage range (specific values not specified in the sources) |
| Output Voltages | 5V for μC, transceivers, and sensors |
| Switching Frequency Range | Wide switching frequency range for optimization of efficiency and filter components |
| Safety Features | UV/OV-monitoring, flexible watchdogs, error-monitoring, safe state controller with 2 outputs, BIST |
| Compliance | PRO-SIL™ ISO26262-compliant, supports ASIL-D |
| Capacitors | Various MLCC capacitors for decoupling and smoothing (e.g., 22 µF, X7R, 16 V; 3.3 µF, 25 V; 1.5 µF, 16 V) |
Key Features
- Pre-/post-regulator concept: Includes boost and buck/LDOs and trackers for μC (main, ADC/reference, StBy), transceivers, and sensors.
- Integration of functional safety: Features supporting ASIL-D, including UV/OV-monitoring, flexible watchdogs, error-monitoring, safe state controller with 2 outputs, and built-in self-test (BIST).
- Efficiency and flexibility: Wide switching frequency range allows for optimization in respect of efficiency and usage of small filter components.
- Flexible state machine and wake-up concept: Includes timer and stand-by-regulator, favoring usage in numerous applications.
- Thermally enhanced package: VQFN-48 (QV-version) capable for automated optical inspection.
Applications
- Powertrain: Engine Management, Transmission, Transfer Case, Integrated Starter Generator.
- xEV (Electric Vehicles): Battery Management, Inverter, DCDC, Charger.
- Chassis/Safety: Electrical Power Steering, Electr. Steering Column Lock, Braking, Electr. Parking Brake, Active Suspension, Chassis Control, Domain Control, ADAS Domain Control.
Q & A
- What is the primary function of the TLF35584QVVS1?
The TLF35584QVVS1 is a multiple output system supply designed to power microcontrollers, transceivers, and sensors in safety-relevant applications.
- What package type is the TLF35584QVVS1 available in?
The TLF35584QVVS1 is available in a thermally enhanced VQFN-48 (QV-version) package.
- What safety standards does the TLF35584QVVS1 comply with?
The device is PRO-SIL™ ISO26262-compliant and supports ASIL-D.
- What are the key safety features of the TLF35584QVVS1?
Key safety features include UV/OV-monitoring, flexible watchdogs, error-monitoring, safe state controller with 2 outputs, and built-in self-test (BIST).
- What are the potential applications of the TLF35584QVVS1?
Potential applications include Powertrain, xEV (Electric Vehicles), and Chassis/Safety systems.
- How does the TLF35584QVVS1 optimize efficiency?
The device optimizes efficiency through a wide switching frequency range and the use of small filter components.
- What type of capacitors are recommended for use with the TLF35584QVVS1?
Various MLCC capacitors (e.g., 22 µF, X7R, 16 V; 3.3 µF, 25 V; 1.5 µF, 16 V) are recommended for decoupling and smoothing.
- Is the TLF35584QVVS1 compatible with automated optical inspection?
- How does the TLF35584QVVS1 support microcontroller safety management?
The device monitors the μC’s safety management unit and provides secondary safety paths through a safe state controller.
- What documentation is available for the TLF35584QVVS1 to support ISO26262 compliance?
A full documentation set, including a Safety Manual and a Safety Analysis Summary Report, is available to support ISO26262 compliance.
