SC5012Q数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The SC5012/Q is a 4-channel high-precision, high-efficiency step-up (Boost) HB LED driver designed for backlight applications. It features wide input voltage range (4.75V to 45V) , flexible output configuration, wide analog and PWM dimming range, phase shifting, optional fading, external boost controller frequency synchronization (FSYNC), I2C interface, and numerous protection features.

特性 Features

·Input Voltage — 4.75V to 45V
·Output Voltage — Up to 65V
·Step-up (Boost) Controller
·Ulta-Fast Transient Response
·Programmable Switching Frequency
·External Sync Frequency for Boost Controller
·Linear Current Sinks
·4 Strings, up to 150mA/String
·Current Matching ±1%
·Current Accuracy ±2%
·PWM Dimming
·String-by-String Phase Shifting
·Dimming Frequency 100Hz-30kHz
·User Selectable 9 or 10 Bits Dimming Resolution
·Optional Synchronization to VSYNC/HSYNC Signal
·External Frequency Synchronization, FSYNC
·8-bit Analog Dimming
·I2C Interface
·Fault Status — Open/Short LED, OTP
·Device Control: SYNC Freq, PLL Setting
·Protection Features
·Open/Shorted LED(s) and adjustable OVP
·Over-Temperature
·4mm X 4mm 24 Ld QFN Package
·AEC-Q100 Qualified Version Available

应用 Application

·Medium-sized LCD Panel
·Automotive Car Navigation/Information Display
·LCD Monitors
·Automotive AEC-Q100 Qualified Application

简介

SC5012Q属于集成电路（IC）的LED驱动器。由制造生产的SC5012QLED 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。