LED7708

LED7708 16 channels x 85 mA LED driver with boost controller and 4-wire serial interface Datasheet —production data Features ■ Boost controller section – 3.6 V to 36 V input voltage range (LDO) – Adaptive output voltage for high efficiency – Internal +5 V LDO for gate driver supply – Internal +3.3 V LDO for device supply – High performance external MOSFET driver – 250 kHz to 1 MHz switching frequency – Programmable OV and OC protection – Fixed frequency peak current-mode control – External synchronization for multi-device application – Overtemperature alert and thermal shutdown ■ LED array driver section – 16 channels with 85 mA/ch current capability – ±2% channel current accuracy – ±2% channel-to-channel current matching – LED short-circuit and open channel fault detection and management – 4-wire, 30 MHz serial interface – 16 x16-bit, 1x256-bit or 1x192-bit serial data formats – Grouped or independent channel PWM control – Selectable 12/16-bit grayscale brightness control for local dimming – Programmable internal dimming oscillator – Programmable grayscale latency – Master/slave chain configuration supported Applications ■ TV and monitor backlight units for LCD panels ■ Medium and large size LCD panel backlights ■ RGB/RGGB backlight solutions 6&1&0.XX, PITCH Description The LED7708 has been specifically designed to supply several LEDs starting from a single lowvoltage rail. It integrates a boost controller, sixteen current generators and a 4-wire serial ...