Constant Current Driver IC

Device Outputs Main Features Download
HOTRT5648 48x16Integrated 16-channel MOS high-density solution
48-channel 40mA constant current outputs
Common cathode architecture for reduced system power consumption
16-bit PWM grayscale control
Power-saving functions
LED monitoring and detection features
NEWRT5538 1616-channel 3~45mA constant current outputs with 18V voltage endurance
64-step current gain adjustment
Smart power-saving mode
Dedicated for Traffic Display (VMS) applications
NEWRT5983 1616-channel 30mA constant current outputs
Common anode LED fine-pitch product applications
Supports up to 64-scan design
128-step current gain adjustment
Smart power-saving mode and HDR10 support
Supports VRR 30~240Hz frame rate and 30KHz visual refresh rate
RT5981 1616-channel 30mA constant current outputs
Common anode LED fine-pitch product applications
Supports up to 64-scan design
128-step current gain adjustment
Smart power-saving mode
HDR10 support
Supports up to 240Hz frame rate
30KHz visual refresh rate
RT5977 1616-channel 35mA constant current outputs
Common anode LED fine-pitch product applications
Supports up to 128-scan design
64-step current gain adjustment
Smart power-saving mode
RT5632 4848-channel 20mA constant current outputs
Common cathode architecture for reduced system power consumption
13~16-bit PWM grayscale control
High refresh rate mode
Power-saving functions
LED monitoring and detection features
RT5978 1616-channel 18mA constant current outputs
Common cathode architecture for reduced system power consumption
Supports up to 128-scan applications
11~16-bit PWM grayscale control
Current gain adjustment
High refresh rate mode
Power-saving functions
LED monitoring and detection features
RT5967 1616-channel 20mA constant current outputs
Supports up to 128-scan applications
Multiple PWM grayscale modes for flexible selection
64-step current gain adjustment
Superior low-grayscale performance
Extreme power-saving mode
Supports high refresh rate


Gate Control Switch MOS

Device Outputs Main Features Download
RT5953 2PMOS
Extra small package
Anti-ghosting
Eliminate bright line caused by LED defect
serial data communication to simplify the PCB design
RT5956 4PMOS
max. 5.3A per output
Anti-ghosting
Eliminate bright line caused by LED defect
Wipe off 138
RT5958 8PMOS
max. 2.8A per output
Anti-ghosting
Eliminate bright line caused by LED defect
Wipe off 138
RT5988 8Serial data communication (Patent protection)
Gate control IC for common cathode LED display
max. 2A per output
Anti-ghosting
Eliminate bright line caused by LED defect
Wipe off 138
RT5960 16PMOS
max. 2A per output
Anti-ghosting
Eliminate bright line caused by LED defect
Wipe off 138
RT5990 16NMOS
max. 1.6A per output
Extra low standby supply current
Anti-ghosting
Serial data communication
Eliminate bright line caused by LED defect


Bus Transceiver

Device Outputs Main Features Download
RT8255 84-level / 2-level adjustable EMI optimization
74HC245 compatible
Low power consumption
RT0255 9Built-in 3.3V, 100mA LDO
4-level adjustable EMI optimization
Low power consumption


Raffar Technology Corp.

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  • Radiatechip Technology Corp.
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  • TEL: +86 15118157320   (Mr. Xue)