Overview
The TLF35584QVVS1XUMA2 is a multiple output system supply Power Management Integrated Circuit (PMIC) designed by Infineon Technologies for safety-relevant applications. This PMIC is optimized to supply power to microcontrollers (μC), transceivers, and sensors using an efficient and flexible pre-/post-regulator concept over a wide input voltage range. It is particularly suited for automotive applications, supporting various safety features and compliance with automotive safety standards such as ISO26262 and ASIL-D.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3V to 35V |
| Output Voltages | 5.0V, 3.3V (for μC, transceivers, and sensors) |
| Package Type | VQFN-48 (QV-version) |
| Package Dimensions | 7mm x 7mm x 0.85mm (Max) |
| Operating Temperature Range | -40°C to 150°C |
| Compliance | AEC-Q100, ISO26262 |
| Mounting Type | Surface Mount |
| Lead Shape | No Lead |
Key Features
- Pre-/post-regulator concept: Includes boost and buck/LDOs and trackers for μC, transceivers, and sensors.
- Functional Safety: Supports ASIL-D with features like 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 for optimization of efficiency and use of small filter components.
- Reference Regulator: Dedicated reference-regulator supplies the ADC independent from μC-load steps and acts as a tracking-source for the 2 independent sensor-supplies.
- Wake-up Concept and Stand-by Regulator: Includes a flexible state machine and stand-by-regulator for various application needs.
Applications
- Powertrain: Engine Management, Transmission, Transfer Case, Integrated Starter Generator.
- xEV (Electric and Hybrid 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 input voltage range of the TLF35584QVVS1XUMA2?
The input voltage range is 3V to 35V. - What are the typical output voltages provided by this PMIC?
The PMIC provides output voltages of 5.0V and 3.3V for μC, transceivers, and sensors. - What is the package type and dimensions of the TLF35584QVVS1XUMA2?
The package type is VQFN-48 (QV-version) with dimensions of 7mm x 7mm x 0.85mm (Max). - Is the TLF35584QVVS1XUMA2 compliant with automotive safety standards?
Yes, it is compliant with AEC-Q100 and ISO26262 standards. - What are the key safety features of this PMIC?
The key safety features include UV/OV-monitoring, flexible watchdogs, error-monitoring, safe state controller with 2 outputs, and built-in self-test (BIST). - What is the operating temperature range of the TLF35584QVVS1XUMA2?
The operating temperature range is -40°C to 150°C. - How does the PMIC support microcontroller and sensor supplies?
The PMIC includes a dedicated reference-regulator that supplies the ADC independent from μC-load steps and acts as a tracking-source for the 2 independent sensor-supplies. - What are some of the potential applications of the TLF35584QVVS1XUMA2?
Potential applications include Powertrain, xEV (Electric and Hybrid Vehicles), and Chassis/Safety systems. - Does the TLF35584QVVS1XUMA2 support ASIL-D safety integrity level?
Yes, it supports ASIL-D with various safety features and configurations. - How does the PMIC optimize efficiency and component usage?
The PMIC optimizes efficiency through a wide switching frequency range, allowing the use of small filter components.
