Overview
The ASL3416SHNY, produced by NXP USA Inc., is a high-efficiency, three-channel buck mode LED driver IC designed specifically for automotive lighting applications. This IC delivers constant average DC current to LEDs, independent of the input voltage, making it highly versatile for various lighting configurations. It supports up to three output channels, allowing for the independent driving of 1, 2, or 3 LED strings. The ASL3416SHNY is AEC-Q100 grade 1 qualified, ensuring it meets the stringent requirements of automotive environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 32-VFQFN Exposed Pad |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 10 V to 80 V |
| Output Voltage Range | 2.5 V to 70 V |
| Number of Outputs | 3 |
| Output Current per Channel | Up to 1.5 A |
| Frequency Range | 100 kHz to 2 MHz |
| Dimming Method | PWM |
| Topology | Buck |
| Internal Switch | No |
Key Features
- High Efficiency and Flexibility: Supports up to three independent LED strings with a wide input voltage range of 10 V to 80 V and output voltage range of 2.5 V to 70 V.
- Precision Current Control: Provides high LED current accuracy of ±5% over the complete operating temperature range.
- Programmable via SPI Interface: Allows for extensive control and diagnostic communication with an external microcontroller.
- Diagnostic Capabilities: Includes features for detecting LED open or short circuit conditions and current reached status.
- Thermal and Voltage Protection: Features input under-voltage lockout and thermal shutdown at junction temperatures exceeding +175°C.
- Compact and Robust Packaging: Housed in a 32-VFQFN package with an exposed thermal pad, suitable for space-constrained applications.
Applications
- Automotive Lighting: Ideal for LED headlights, daytime running lights, fog lights, and other automotive lighting systems.
- General Lighting Equipment: Used to drive LED bulbs, LED strips, and LED lighting fixtures.
- Display Applications: Suitable for LED display screens, LED TVs, and LED billboards.
- Consumer Electronics: Used in mobile phones, tablets, and laptops to drive backlight and indicator LEDs.
Q & A
- What is the operating temperature range of the ASL3416SHNY?
The ASL3416SHNY operates over an ambient temperature range of -40°C to 125°C. - What is the input voltage range of the ASL3416SHNY?
The input voltage range is from 10 V to 80 V. - How many output channels does the ASL3416SHNY support?
The ASL3416SHNY supports up to three independent output channels. - What is the maximum output current per channel of the ASL3416SHNY?
The maximum output current per channel is up to 1.5 A. - Does the ASL3416SHNY support PWM dimming?
Yes, the ASL3416SHNY supports PWM dimming for precise brightness control. - What is the topology of the ASL3416SHNY?
The topology is buck mode. - Is the ASL3416SHNY AEC-Q100 qualified?
Yes, it is AEC-Q100 grade 1 qualified. - What is the package type of the ASL3416SHNY?
The package type is 32-VFQFN Exposed Pad. - Does the ASL3416SHNY have built-in switches?
No, it does not have internal switches. - How can the ASL3416SHNY be controlled and monitored?
The ASL3416SHNY can be controlled and monitored via an SPI interface with an external microcontroller.
