Overview
The TPS65177ARHAR is a highly integrated power management IC (PMIC) designed by Texas Instruments (TI). It is specifically tailored for TFT-LCD panel applications, offering a comprehensive solution for powering various components of LCD displays. This automotive-grade chip is widely used in automotive infotainment systems, industrial displays, and consumer electronics. Its unique selling points include I2C programmability, high efficiency, and robust thermal performance, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range (V(AVDD)) | 8.6 to 14.7 | V | Boost converter |
| Output Voltage Range (V(AVDD)) | 13.5 to 19.8 | V | I2C programmable |
| Default Output Voltage (V(AVDD)) | 15 | V | Boost converter |
| Max Switch Current (V(AVDD)) | 4.25 | A | Boost converter |
| Output Voltage Range (V(HAVDD)) | 4.8 to 11.1 | V | Synchronous buck converter |
| Default Output Voltage (V(HAVDD)) | 7.5 | V | Synchronous buck converter |
| Max Switch Current (V(HAVDD)) | 1.7 | A | Synchronous buck converter |
| Output Voltage Range (V(IO)) | 2.2 to 3.7 | V | I2C programmable |
| Max Current (V(IO)) | 3 | A | Synchronous buck converter |
| Output Voltage Range (V(CORE)) | 0.8 to 3.3 | V | I2C programmable |
| Max Current (V(CORE)) | 2.5 | A | Synchronous buck converter |
| Output Voltage Range (V(GH)) | 20 to 40 | V | Positive charge pump |
| Output Voltage Range (V(GL)) | 0 to -15 | V | Negative charge pump |
| Package | QFN-40 | - | Surface mount |
Key Features
- Integrated boost converter, synchronous buck converters, and charge pump controllers.
- I2C programmable for precise voltage and current control.
- High efficiency and thermal performance for demanding applications.
- Supports high-voltage stress mode for enhanced reliability.
- Compact QFN-40 package for space-constrained designs.
Applications
The TPS65177ARHAR is ideal for a wide range of applications, including:
- Automotive Infotainment Systems: Powers TFT-LCD displays in car dashboards and entertainment systems.
- Industrial Displays: Provides reliable power management for control panels and monitoring systems.
- Consumer Electronics: Used in LCD TVs, monitors, and other display devices.
Q & A
1. What is the input voltage range for the boost converter?
The input voltage range for the boost converter (V(AVDD)) is 8.6V to 14.7V.
2. Can the output voltage be adjusted?
Yes, the output voltage can be adjusted via I2C programming.
3. What is the default output voltage for V(AVDD)?
The default output voltage for V(AVDD) is 15V.
4. What is the maximum switch current for V(AVDD)?
The maximum switch current for V(AVDD) is 4.25A.
5. Does the IC support high-voltage stress mode?
Yes, the IC supports high-voltage stress mode for enhanced reliability.
6. What package does the TPS65177ARHAR use?
The TPS65177ARHAR uses a QFN-40 package.
7. What are the typical applications of this IC?
Typical applications include automotive infotainment systems, industrial displays, and consumer electronics.
8. Is the IC programmable?
Yes, the IC is fully programmable via I2C interface.
9. What is the output voltage range for V(IO)?
The output voltage range for V(IO) is 2.2V to 3.7V.
10. What is the maximum current for V(CORE)?
The maximum current for V(CORE) is 2.5A.
