Overview
The TPS65311QRVJRQ1 is a highly integrated power management IC (PMIC) produced by Texas Instruments. Designed specifically for automotive applications, this PMIC provides a comprehensive solution for powering microcontrollers and other critical components in advanced driver-assistance systems (ADAS) and automotive body electronics. Its robust design ensures reliability in harsh automotive environments, making it an ideal choice for safety-critical systems. The TPS65311QRVJRQ1 stands out for its high efficiency, advanced safety features, and compliance with automotive quality standards.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.0 to 40 | V | Wide input range for automotive applications |
| Output Voltage 1 | 1.2 to 3.3 | V | Adjustable for microcontroller core voltage |
| Output Voltage 2 | 5.0 | V | Fixed for peripheral power |
| Output Current 1 | Up to 2 | A | Core voltage supply |
| Output Current 2 | Up to 1.5 | A | Peripheral voltage supply |
| Operating Temperature Range | -40 to 125 | °C | Automotive-grade temperature range |
| Package | 32-VQFN | - | Compact and robust packaging |
| Compliance | AEC-Q100 | - | Qualified for automotive applications |
Key Features
- High Integration: Combines multiple power rails and control functions in a single IC, reducing system complexity.
- Advanced Safety Features: Includes watchdog timer, fail-safe outputs, and voltage monitoring for enhanced system reliability.
- Wide Input Voltage Range: Supports operation in various automotive power conditions.
- Automotive-Grade Quality: Compliant with AEC-Q100 standards, ensuring reliability in harsh environments.
- Efficient Power Management: Optimizes power consumption for extended battery life in automotive systems.
Applications
The TPS65311QRVJRQ1 is widely used in automotive electronics, particularly in safety-critical systems such as advanced driver-assistance systems (ADAS), body control modules, and infotainment systems. Its robust design and advanced features make it suitable for applications requiring high reliability and efficiency. Specific use cases include:
- Powering microcontrollers in ADAS systems.
- Providing stable power for sensors and actuators in automotive body electronics.
- Supporting infotainment systems with efficient power management.
Q & A
1. What is the input voltage range of the TPS65311QRVJRQ1?
The input voltage range is 3.0 to 40 V, making it suitable for automotive applications.
2. What are the output voltages provided by this PMIC?
It provides an adjustable output voltage of 1.2 to 3.3 V for the microcontroller core and a fixed 5.0 V output for peripherals.
3. Is the TPS65311QRVJRQ1 compliant with automotive standards?
Yes, it is compliant with AEC-Q100 standards, ensuring reliability in automotive environments.
4. What is the maximum output current for the core voltage?
The maximum output current for the core voltage is 2 A.
5. Can this PMIC operate in extreme temperatures?
Yes, it operates within a temperature range of -40 to 125 °C, suitable for automotive applications.
6. What safety features does the TPS65311QRVJRQ1 include?
It includes a watchdog timer, fail-safe outputs, and voltage monitoring for enhanced system reliability.
7. What package does the TPS65311QRVJRQ1 come in?
It is available in a compact 32-VQFN package.
8. What are the typical applications of this PMIC?
Typical applications include ADAS, body control modules, and infotainment systems in automotive electronics.
9. How does this PMIC enhance power efficiency?
It integrates multiple power rails and control functions, optimizing power consumption for extended battery life.
10. Is the TPS65311QRVJRQ1 suitable for safety-critical systems?
Yes, its advanced safety features and automotive-grade quality make it ideal for safety-critical automotive systems.
