STMicroelectronics

ALED1262ZTTR

ALED1262ZTTR Description

The ALED1262ZTTR is a high-performance linear LED driver from STMicroelectronics, designed for automotive applications. This device is currently active and offers a wide range of features that make it suitable for various lighting applications. With a buck topology and PWM dimming, the ALED1262ZTTR provides precise control over LED brightness, ensuring consistent performance and long-lasting operation.

ALED1262ZTTR Features

• Voltage Supply Range: The ALED1262ZTTR can operate with a supply voltage ranging from 4.5V to 38V, making it versatile for different automotive lighting systems.
• Output Voltage: It provides a constant 19V output, suitable for driving LEDs with a forward voltage around this range.
• Internal Switches: The device features internal switches, simplifying the design and reducing the number of external components required.
• Number of Outputs: With 12 output channels, the ALED1262ZTTR can drive multiple LEDs or LED strings simultaneously.
• Current Output: Each channel can deliver up to 60mA, providing sufficient current for most automotive LED applications.
• Frequency: The device operates at a frequency range of 100kHz to 400kHz, allowing for efficient power conversion and minimal electromagnetic interference.
• Dimming: PWM dimming is supported, enabling precise control over LED brightness and allowing for energy-saving features.
• Mounting Type: The ALED1262ZTTR is surface-mountable, making it suitable for compact and space-constrained automotive lighting designs.
• Package: It comes in a 24-pin HTSSOP package, which is suitable for automated assembly processes.
• REACH and RoHS Compliance: The ALED1262ZTTR is REACH unaffected and RoHS3 compliant, ensuring environmental and health safety standards are met.
• Moisture Sensitivity Level (MSL): With an MSL of 3, the device can withstand up to 168 hours of exposure to moisture before baking is required.

ALED1262ZTTR Applications

The ALED1262ZTTR is ideal for various automotive LED lighting applications, including:

• Interior Lighting: Dashboard backlighting, ambient lighting, and reading lights.
• Exterior Lighting: Tail lights, brake lights, and daytime running lights.
• Signaling Systems: Turn signals, hazard lights, and reverse lights.
• Infotainment Displays: Backlighting for instrument clusters and infotainment screens.

Conclusion of ALED1262ZTTR

The ALED1262ZTTR is a versatile and high-performance linear LED driver from STMicroelectronics, designed specifically for automotive applications. Its wide voltage supply range, multiple output channels, and PWM dimming capabilities make it suitable for a variety of lighting systems. With its compact surface-mount package, REACH and RoHS compliance, and moisture sensitivity level of 3, the ALED1262ZTTR is an excellent choice for automotive manufacturers looking to enhance their vehicle's lighting performance and reliability.