The TPS61193PWPRQ1 from Texas Instruments is a sophisticated, automotive-grade, high-efficiency LED driver designed to provide a reliable solution for driving multiple series-connected LEDs. It is particularly suitable for automotive lighting applications, including headlamps, rear lamps, interior lights, and navigation displays. This driver is designed to enhance the visual appeal and safety of automotive lighting systems while ensuring compliance with stringent automotive standards.

Key Features

• Wide Input Voltage Range: The device operates over a wide input voltage range from 4.5V to 40V, accommodating fluctuations in automotive power systems.
• High Output Current Accuracy: Ensures consistent luminance across different LEDs with excellent output current regulation.
• Integrated Switch: Comes with a built-in 40V, 1.2A switch, which helps to minimize external component count and system complexity.
• Programmable Switching Frequency: With a switching frequency adjustable from 200kHz to 2.2MHz, designers can optimize the driver for efficiency or to avoid interference with critical radio bands.
• Thermal Shutdown Protection: Enhances safety and reliability by automatically shutting down the driver if the junction temperature exceeds safe limits.
• Spread Spectrum Frequency Modulation: Reduces electromagnetic interference (EMI), making the device more suitable for noise-sensitive applications.

Applications

• Automotive LED lighting systems
• Daytime running lights
• Turn signals
• Position and tail lights
• Interior lighting
• Dashboard and instrument panel lighting

Quality and Reliability

The TPS61193PWPRQ1 is designed to meet the rigorous demands of the automotive industry. It is qualified for automotive applications as per AEC-Q100 standards, which test for quality and reliability under harsh environmental conditions. This LED driver is available in a thermally enhanced 16-pin HTSSOP package, providing a compact and efficient solution for space-constrained automotive lighting designs.