TPS92643-Q1数据手册TI中文资料规格书

特性 Features

• AEC-Q100 qualified for automotive applications
• Grade 1: –40°C to 125°C ambient operating temperature
• Device HBM classification level H1C
• Device CDM classification level C5

• Input voltage range: 5.5 V to 36 V
• Operation down to 5.15 V after start-up

• Up to 3-A continuous with 4% accuracy
• Adaptive on-time current control
• Low offset high-side current sense amplifier
• Stable with any combination of ceramic, and aluminum capacitors

• Programmable switching frequency from 100 kHz to 2.2 MHz
• Advanced dimming operation
• 1000:1 precision PWM dimming
• 15:1 precision analog dimming
• 1.4-kHz internal analog input to PWM duty cycle translation

• Cycle-by-cycle switch overcurrent protection
• Open-drain fault indicator output
• LED short circuit, open circuit and cable harness fault indication

• Thermal shutdown protection