SY77983HRP

·            3.0V to 3.8V Input Voltage Range

·            0V to 30V LED Channel Pin Voltage Range

·            Current Accuracy ±3% (7mA to 70mA)

·            Headroom Voltage following Current Range

·            10-bit to 12-bit Local PWM Dimming

·            3.74kHz to 29.95kHz PWM Dimming Frequencies Selection

·            4-bit to 6-bit Local Analog Dimming

·            Max 16-bit Local Hybrid Dimming

·            1-bit LED Current Rising Slew Rate Selection

·            8-bit Local Turn-On Delay Configuration for Synchronization Control

·            10-bit PWM Pulse Setting for PWM Mask

·            Internal LED Short, LED Open, and Over-temperature (OTP) Protections

·            Headroom Voltage Feedback by SDI Pin

·            0.5Mbps/1Mbps/1.5Mbps/2Mbps 1-Wire Interface Speed with Biphase Mark Coding

·            Support Hardware Addressing

·           Compact Package: TSSOP-14E

The SY77983 8-channel LED driver integrates 30V current sinks capable of delivering up to 70mA of continuous output current. It provides flexible LED brightness control through 4-bit to 6-bit local analog dimming and 10-bit to 12-bit local pulse-width modulation (PWM) dimming. The SY77983 offers an 1-wire interface for flexible control. An internal 23MHz clock controls the LED current using a PWM signal ranging from 3.74kHz to 29.95kHz.

Built-in protections such as LED short, LED open and over-temperature are provided to ensure reliable operation.

The SY77983 is available in a compact TSSOP-14E package, with an optimized pinout designed  to support single-layer PCB design.