Description

The SC5012/Q is a 4-channel high-precision, high-efficiency step-up (Boost) HB LED driver designed for back light 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.

Features

Input Voltage — 4.75V to 45V

Output Voltage — Up to 65V

Step-up (Boost) Controller

Ultra-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

Applications

Medium-sized LCD Panel

Automotive Car Navigation/Information Display

LCD Monitors

Automotive AEC-Q100 Qualified Application

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