Overview
The TPS92663A-Q1, produced by Texas Instruments, is a high-brightness LED matrix manager specifically designed for automotive headlight systems. This device enables fully dynamic adaptive lighting solutions by providing individual pixel-level LED control. It is part of the AEC-Q100 qualified family, ensuring reliability and performance in automotive applications. The device is controlled and managed by a primary microcontroller via a multi-drop UART serial interface, which can also integrate with CAN transceivers for enhanced robustness.
Key Specifications
| Parameter | Value |
|---|---|
| Device Temperature Grade | –40°C to 125°C |
| Input Voltage Range | 4.5 V to 60 V |
| Integrated Bypass Switches | Six switches, two sub-strings of three series switches |
| Maximum Voltage Across Switch | 20 V |
| Maximum Voltage Switch to GND | 62 V |
| Communication Interface | Multi-drop UART, compatible with CAN physical layer |
| Addressable Devices | Up to 16 devices |
| ADC Resolution | 8-bit with two MUX inputs |
| PWM Dimming | Programmable 10-bit PWM dimming |
| LED Protection | Open and short LED detection and protection |
Key Features
- Individual pixel-level LED control for dynamic adaptive lighting solutions.
- Six integrated bypass switches, with two sub-strings of three series switches, allowing for single or multiple current sources and parallel connection for high-current LEDs.
- Multi-drop UART communication interface supporting up to 16 addressable devices and compatible with CAN transceivers.
- 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.
- Device-to-device synchronization and programmable slew rate to mitigate EMI concerns.
- Internal charge pump rail for gate drive voltage and low on-resistance (RDS(on)) for minimized conduction loss.
- LED open and short detection and protection with programmable threshold.
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 primary function of the TPS92663A-Q1? The TPS92663A-Q1 is a high-brightness LED matrix manager designed for automotive headlight systems, enabling individual pixel-level LED control.
- What is the input voltage range of the TPS92663A-Q1? The input voltage range is 4.5 V to 60 V.
- How many integrated bypass switches does the TPS92663A-Q1 have? The device has six integrated bypass switches, organized into two sub-strings of three series switches.
- What communication interface does the TPS92663A-Q1 use? The device uses a multi-drop UART communication interface, which is compatible with CAN transceivers.
- How many addressable devices can be connected via the UART interface? Up to 16 devices can be addressed.
- What type of ADC does the TPS92663A-Q1 include? The device includes an 8-bit ADC with two multiplexed inputs.
- What is the PWM dimming capability of the TPS92663A-Q1? The device supports programmable 10-bit PWM dimming with individual phase shift and pulse width control.
- Does the TPS92663A-Q1 have LED protection features? Yes, it includes open and short LED detection and protection with programmable threshold.
- Can multiple TPS92663A-Q1 devices be synchronized? Yes, multiple devices can be synchronized for coordinated operation.
- What is the temperature range of the TPS92663A-Q1? The device operates within a temperature range of –40°C to 125°C.
