Products
Power Management
Semtech SC5012BQ
High Efficiency 4-Ch, 150mA/Ch LED Driver with I2C Interface and Phase-Shifted PWM Dimming
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.
Overview
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
Applications
- Medium-sized LCD Panel
- Automotive Car Navigation/Information Display
- LCD Monitors
- Automotive AEC-Q100 Qualified Application
Packaging
- 4mm X 4mm 24 Ld QFN
Order Codes
- SC5012QMLTRT - Device is AEC-Q100 qualified