ISL78171
AEC-Q100 qualified buck LED driver with 55V input and analog/PWM dimming for automotive lighting.
Product Overview
Description
The ISL78171 is an automotive-grade buck LED driver supporting input voltages up to 55V for 12V and 24V automotive systems.
With analog and PWM dimming capabilities, it provides flexible brightness control for interior and exterior automotive lighting.
The device is AEC-Q100 qualified and includes comprehensive protection for reliable automotive operation.
Product Series
ISL
Primary Application
Daytime running lights
Key Features
- AEC-Q100 qualified
- 55V maximum input voltage
- 1.5A output current
- Analog and PWM dimming
- LED fault protection
- Thermal shutdown
- Wide temperature range
Specifications
| Input Voltage | 4.5V to 55V |
|---|---|
| Output Voltage | Up to 50V |
| Output Current | 1.5A |
| Dimming | Analog and PWM |
| Package | SOIC-8 |
Applications
Daytime running lights
Electronic system design
Interior lighting
Electronic system design
Tail lights
Electronic system design
Fog lights
Electronic system design
FAE Expert Insights
"The ISL78171 is a reliable automotive LED driver. The wide input range handles both 12V and 24V systems with load dump protection. The AEC-Q100 qualification provides confidence for automotive applications. I've used this driver in DRL applications where the thermal performance and dimming range were critical."
Automotive-qualified LED driver
— Jennifer Liu, BeiLuo