NCL31000数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The NCL31000 is an intelligent LED driver targeting luminaire applications.  The NCL31000 incorporates a high efficiency buck LED driver that supports both high-bandwidth analog and PWM dimming down to zero current.  Two auxiliary DC-DC converters are included to power a microcontroller and other sensors.  Diagnostics are included to measure input and output current and voltage, LED temperature and DC-DC voltages.  The device is ideal for YellowDot™ LED drivers.

特性 Features

• High efficiency buck LED driver
• Deep dimming to zero with 0.1% accuracy
• Integrated 3.3V buck converter
• Low EMI design
• Adjustable 2.5 to 24V buck converter
• Protection against LED shorts and opens
• High modulation bandwidth (~50kHz); VLC capable
• IC and LED over temperature protection
• I2C or SPI serial interface
• Diagnostic functions to measure voltages and currents

应用 Application

• LED Lighting
• Backlight LED driver
• YellowDot™ LED drivers
• Intelligent LED Luminaries

简介

NCL31000属于集成电路（IC）的LED驱动器。由制造生产的NCL31000LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。