产品概览
The A6217KLJTR-T from Allegro MicroSystems is an automotive-grade constant-current buck LED driver with PWM dimming, delivering up to 3A output current with AEC-Q100 qualification.
主要规格
| 制造商 | Allegro MicroSystems |
| 拓扑结构 | Buck (Step-Down) |
| 输入电压 | 6V to 48V |
| 输出电流 | 3A max |
| Dimming | PWM (100Hz to 2kHz) |
| Switching Freq | Up to 2.2 MHz |
| 关机电流 | 1 µA typical |
| 包装 | SOIC-8 with exposed pad |
| 工作温度 | -40°C to +125°C |
| 资格 | AEC-Q100 |
特点
- AEC-Q100 qualified
- 6V to 48V supply range
- 3A true average output current
- Integrated high-side DMOS switch
- PWM dimming via enable pin
- Internal loop compensation
- UVLO and thermal shutdown
- Cycle-by-cycle current limit
- Frequency dithering for EMI reduction
应用
- Automotive daytime running lights
- Fog lights (front and rear)
- Turn/stop lights
- Dimmable interior lighting