車用LED是少數具市場規模且仍快速成長的應用之一,LEDinside預估全球車用LED市場(前裝與後裝市場總和)產值於2018年達到25億美金,2014-2018年複合成長率約為9%。
我們最新推出T8332 60V車用LED Driver,可支援Buck/Boost/Buck-Boost/SEPIC四種架構,並可調整頻率(80KHz~1MHz),以滿足不同應用之轉換需求,同時具有高電流精準度(±3%)、完整保護功能以及簡化EMI問題的抖頻設計,並已通過AEC-Q100車規認證,共有QFN-16/TSSOP-16/SOP-8三種包裝可供選擇,適合前裝與後裝市場之各類型車燈應用例如頭燈、車內吸頂燈與方向燈等。
FEATURES
• 5 – 60V input voltage range
• Single resistor programmable constant current driver
• Excellent constant current accuracy ±3% typically
• 0.1V feedback reference voltage tailor-made for LED application
• Support Boost/Buck/Buck-Boost/SEPIC configuration
• DC and PWM dimming
• On-chip thermal shutdown at 170 oC
• Thermal derating by using external NTC
• Programmable soft start
• Programmable switching frequency 80kHz to 1MHz (by default 430kHz)
• Dithering in oscillator frequency to simplify the EMI design
• Cycle-by-cycle current limit
• Over-current protection
• Open LED overvoltage indication and protection
• 15μA shutdown current
• TSSOP-16/QFN-16/SOP-8 package