MBI5024GF Datasheet

Constant-Current LED Driver


The MBI5024GF is a 16-channel, constant-current sink driver. Each channel can be individually controlled via a simple serial communications protocol that is compatible with 3.3 V or 5 V CMOS logic levels,depending on the operating VCC. Once the serial data buffer is loaded, a rising edge on LATCH transfers the data to the LEDx outputs. The BLANK pin can be used to turn off all OUTn outputs during power-on and output data latching to prevent unwanted image displays during these times. The constant-current value of all 16 channels is set by a single external resistor. Multiple TLC59282s can be cascaded together to control additional LEDs from the same processor. MBI5024GF Features • 16 Channels, Constant-Current Sink Output with On/Off Control• Capability (Constant-Current Sink): 35 mA (VCC≤ 3.6 V), 45 mA (VCC> 3.6 V)• LED Power-Supply Voltage up to 17 V• VCC= 3 V to 5.5 V• Constant-Current Accuracy: – Channel-to-Channel = ±0.6% (typ),±2% (max) – Device-to-Device = ±1% (typ), ±3% (max)• Low Saturation Voltage: 0.31 V at 20 mA (typ) – TA= +25℃, One Channel On• CMOS Logic Level I/O• Data Transfer Rate: 35 MHz• BLANK Pulse Width: 30 ns• Four-Channel Grouped Delay for Noise Reduction• Operating Temperature: –40°C to +85°C MBI5024GF Applications • Video Displays• Message Boards• Illumination


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