Overview
The TPS92662AQPHPRQ1 is a high-brightness LED matrix manager designed by Texas Instruments for automotive applications. This device is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It operates within an ambient temperature range of –40°C to 125°C and is classified under Device HBM level H1C and Device CDM level C5. The TPS92662AQPHPRQ1 enables fully dynamic adaptive lighting solutions by providing individual pixel-level LED control, making it ideal for advanced automotive headlight systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Input Voltage Range | 4.5 V to 60 V |
| Number of Channels | 12 |
| Integrated Bypass Switches | Four sub-strings of three series-connected switches |
| Maximum Voltage Across Switch | 20 V |
| Maximum Voltage Switch to Ground | 62 V |
| Communication Interface | Multi-drop UART, I2C for external EEPROM |
| Operating Temperature | –40°C to 125°C |
| Package Type | HTQFP48 |
| ADC Resolution | 8-bit with two multiplexed inputs |
| PWM Dimming | Programmable 10-bit PWM dimming |
Key Features
- Individual pixel-level LED control for dynamic adaptive lighting solutions.
- Four sub-strings of three series-connected integrated switches for bypassing individual LEDs.
- Multi-drop UART communication interface and compatibility with CAN physical layer.
- I2C interface for reading and writing to an external EEPROM.
- On-board 8-bit ADC with two multiplexed inputs for system temperature compensation and LED binning.
- Programmable 10-bit PWM dimming with individual phase shift and pulse width control.
- LED open and short detection and protection.
- Improved radiated and conducted EMI performance.
- Programmable crystal oscillator driver and clock buffer strength.
- Internal charge pump rail for gate drive voltage of LED bypass switches.
Applications
- Automotive headlight systems.
- High-brightness LED matrix systems.
- Adaptive Driving Beam (ADB) or glare-free high beam systems.
- Sequential turn and animated daytime running lights.
Q & A
- What is the operating temperature range of the TPS92662AQPHPRQ1?
The operating temperature range is –40°C to 125°C.
- What is the input voltage range of the TPS92662AQPHPRQ1?
The input voltage range is 4.5 V to 60 V.
- How many channels does the TPS92662AQPHPRQ1 support?
The device supports 12 channels.
- What communication interfaces does the TPS92662AQPHPRQ1 support?
The device supports multi-drop UART and I2C interfaces.
- Does the TPS92662AQPHPRQ1 have built-in ADC functionality?
Yes, it includes an 8-bit ADC with two multiplexed inputs.
- Can the TPS92662AQPHPRQ1 detect LED faults?
Yes, it features LED open and short detection and protection.
- Is the TPS92662AQPHPRQ1 compatible with CAN physical layer?
Yes, it is compatible with the CAN physical layer.
- What is the purpose of the programmable crystal oscillator driver in the TPS92662AQPHPRQ1?
The programmable crystal oscillator driver allows for optimal performance by selecting the driver strength based on the quartz crystal or ceramic resonator manufacturer's recommendations.
- Can multiple TPS92662AQPHPRQ1 devices be synchronized?
Yes, multiple devices can be synchronized for more than 12-LED strings via time division multiplexing.
- What is the package type of the TPS92662AQPHPRQ1?
The package type is HTQFP48.
