Overview
The TLC6C5724QDAPRQ1 is an automotive 24-channel constant-current RGB LED driver produced by Texas Instruments. This device is designed to provide a versatile solution for driving LED arrays in automotive lighting applications, offering precise current regulation and advanced diagnostics capabilities. It is AEC-Q100 qualified, ensuring it meets the stringent requirements for automotive use. The device operates over a temperature range of –40°C to 125°C, making it suitable for a wide range of automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of LED Channels | 24 | - |
| Maximum Output Current | 50 mA | - |
| Maximum Output Voltage | 8 V | - |
| Output Groups | OUTRn, OUTGn, OUTBn | - |
| Dot Correction | 7-bit per channel | - |
| Intensity Control | 8-bit per color group | - |
| Grayscale Control | 12-bit, 10-bit, 8-bit | - |
| Temperature Range | –40°C to 125°C | - |
| Package | HTSSOP-38 | - |
Key Features
- Integrated PWM grayscale generator for individual channel dimming
- Adjustable global grayscale mode: 12-bit, 10-bit, 8-bit
- Advanced diagnostics including LED-open detection, LED-short detection, output short-to-GND detection, and adjacent-pin short detection
- Pre-thermal warning and thermal shutdown for system protection
- Programmable output slew rate to minimize system noise
- Output channel group delay to reduce starting electrical current
- Serial data interface (SDI and SDO pins) for cascading multiple devices
Applications
The TLC6C5724QDAPRQ1 is primarily used in automotive lighting applications, such as dashboard lighting, ambient lighting, and exterior lighting. Its advanced diagnostics and constant-current regulation make it ideal for ensuring the reliability and longevity of automotive lighting systems.
Q & A
- Q: What is the maximum number of LED channels supported by the TLC6C5724QDAPRQ1?
A: The TLC6C5724QDAPRQ1 supports up to 24 LED channels. - Q: Can the diagnostics feature of the TLC6C5724QDAPRQ1 help in identifying LED faults?
A: Yes, the onboard diagnostics capability can detect faults such as open or shorted LEDs. - Q: What is the maximum output current of the TLC6C5724QDAPRQ1?
A: The maximum output current is 50 mA, set by an external resistor. - Q: What is the temperature range of the TLC6C5724QDAPRQ1?
A: The device operates over a temperature range of –40°C to 125°C. - Q: Does the TLC6C5724QDAPRQ1 support PWM dimming?
A: Yes, it supports PWM dimming for each individual channel. - Q: How does the TLC6C5724QDAPRQ1 adjust the intensity of the LEDs?
A: The device uses 8-bit intensity control for each color group and adjustable global grayscale mode (12-bit, 10-bit, 8-bit). - Q: What type of package does the TLC6C5724QDAPRQ1 come in?
A: The device is packaged in a 38-pin HTSSOP. - Q: Can multiple TLC6C5724QDAPRQ1 devices be connected in series?
A: Yes, the SDI and SDO pins allow multiple devices to be connected in series for control through one serial interface. - Q: What is the purpose of the slew rate control in the TLC6C5724QDAPRQ1?
A: The slew rate control helps to minimize system noise by adjusting the rate of output changes. - Q: Is the TLC6C5724QDAPRQ1 AEC-Q100 qualified?
A: Yes, the device is AEC-Q100 qualified for automotive applications.
