Overview

LC7958NC is a 64-bit constant current LED driver IC designed to directly drive LED head array.

The output terminals for LED drive are arranged in 2-row staggered position of 80-µm pitch at one side. It enables drive of LED Array of 300-dpi in one side disposition, 600dpi in both sides disposition.

Features and Functions

• Logic voltage (VDD): +5 V ± 10

• LED drive current (IOH): 5.0 mA (TYP)

• Clock frequency (fc): 10 MHz

• Output current control circuit built in

• Mode switching function by the SEL pin

• Chip size: 1.43 mm × 5.39 mm

• Number of pads: 86

• 64-bit shift register circuit

• 64-bit latch circuit

• Output driver on/off switching function

• Constant current circuit

• 64-bit p-channel open drain LED driver