نظرة عامة على المنتج
The STCS2ASPR from STMicroelectronics is a BiCMOS constant current LED driver capable of delivering up to 2A output current with +-10% precision. It features PWM dimming, slope control for EMI reduction, LED disconnection diagnostic, and operates from 4.5V to 40V input, in a PowerSO-10 surface-mount package.
المواصفات الرئيسية
| الشركة المصنعة | STMicroelectronics |
| تيار الإخراج | Up to 2A |
| نطاق جهد الإدخال | 4.5V to 40V |
| Feedback Voltage | 100mV (90-110mV) |
| Current Precision | +-10% |
| جهد التسرب | 0.58V typ @ 2A |
| تيار التهدئة | 450uA typ (on mode) |
| تيار إيقاف التشغيل | 1uA (5-12V) |
| Dimming | PWM (up to 50kHz) |
| الحزمة | PowerSO-10 |
| درجة حرارة التشغيل | -40C to +125C |
الميزات
- Up to 2A constant current output
- Wide input voltage: 4.5V to 40V
- Current set by external sensing resistor (100mV feedback)
- PWM dimming input (few Hz to 50kHz)
- Slope control with external capacitor for EMI reduction
- LED disconnection diagnostic output (open-drain)
- Shutdown pin for power conservation
- Less than 0.5V voltage overhead
- Internal thermal shutdown at 155C with 25C hysteresis
التطبيقات
- Low-voltage LED lighting (5V, 12V, 24V)
- Automotive LED lighting and signage
- General illumination and display backlighting
- RGB LED driving
- Constant current source for industrial applications