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The AS1117L/TR is a LED driver manufactured by AIS (Advanced Interconnect Systems). Below are the factual specifications, descriptions, and features:

Specifications:

• Manufacturer: AIS (Advanced Interconnect Systems)
• Part Number: AS1117L/TR
• Type: LED Driver
• Output Channels: Up to 8 (configurable)
• Interface: I²C-compatible
• Supply Voltage: 3V to 5.5V
• Current per Segment: Adjustable (typically up to 40mA)
• Dimming Control: 16-step PWM brightness control
• Package: SOIC-16 (Surface Mount)
• Operating Temperature Range: -40°C to +85°C

Descriptions:

The AS1117L/TR is an integrated LED driver designed for driving up to 8 LEDs or 7-segment displays. It features an I²C interface for easy communication with microcontrollers, allowing for brightness control and individual LED addressing.

Features:

• I²C-Compatible Interface – Supports standard I²C communication.
• Adjustable Brightness – 16-step PWM dimming control.
• Low Power Consumption – Suitable for battery-powered applications.
• Wide Voltage Range – Operates from 3V to 5.5V.
• Segment Current Control – Adjustable current per LED segment.
• Thermal Shutdown Protection – Prevents overheating.
• Compact Package – SOIC-16 for space-constrained designs.

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.