PT16752 普诚科技 多拓扑汽车前照灯LED驱动器
FEATURES
● Automotive AEC-Q100, Grade 1 (-40°C~+125"C) Qualified
● Input Voltage: 4.5V to 65V
● Output Voltage Range: 3V to 65V
● Low Input Offset Rail-to-Rail Current Sense Amplifier
- Better than +4% LED Current Accuracy over -40°C . to 140°C Junction Temperature Range
- High-Side Curent Sense
● High-lmpedance Analog LED Current Adjust Input (IADJ) With over 15:1 Contrast Ratio
● Integrated P-Channel MOSFET Driver for LED PWM Dimming, Compatible with Direct PWM Input with over 1000:1 Dimming Range (fpww=400Hz). Spread Spectrum Modulation for Improved EMI
● Continuous LED Current Monitor Output for System Fault Detection Programmable Switching Frequency with Extermal Clock Synchronization Capability
● Programmable Soft-Start Comprehensive Fault Protection Circuitry Including VCC Under-Voltage Lockout (UVLO), Output Over- voltage Protection (OVP)， Output Under-voltage Protection (UVP)， Cycle-by-Cycle Switch Current Limit, Output over current protection and Thermal Protection.
APPLICATIONS
● Automotive High(Low) Beam Application
● Automotive Daytime Running Lights
● Automotive Position Lights
● LED General Lighting Applications
● Exit Signs and Emergency Lighting
