The A6270GLPTR-T is a 16-channel constant-current LED driver designed by Allegro MicroSystems. It is specifically designed for automotive and industrial applications where precise and efficient LED control is required, such as dashboard lighting, instrument panels, and general status indication. This IC integrates a shift register, data latches, and 16 constant-current sink outputs, allowing for individual control of each LED. The A6270GLPTR-T is known for its high accuracy, wide dimming range, and robust protection features.

Applications

• Automotive dashboard lighting
• Instrument panels
• Status indicators
• General LED lighting
• Display backlighting

Features

• 16 constant-current sink outputs
• Individual LED control
• Wide dimming range
• Shift register and data latches
• Overcurrent protection (OCP)
• Overtemperature protection (OTP)
• Open-circuit detection
• Short-circuit protection

Benefits

• Precise and uniform LED brightness control
• Flexible dimming capabilities
• Simplified system design with integrated functionality
• Improved system reliability due to integrated protection features
• Reduced component count and board space

Additional Details

The A6270GLPTR-T operates with a wide supply voltage range, typically from 3V to 5.5V, making it suitable for a variety of automotive and industrial applications. The constant-current outputs provide consistent LED brightness regardless of variations in LED forward voltage. The device features a serial interface for easy control by a microcontroller. The comprehensive protection features enhance system reliability and prevent damage to the driver and LEDs. The A6270GLPTR-T is an excellent choice for applications requiring accurate and reliable LED control with advanced dimming capabilities.