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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B.
LED drivers, the electronics that operate LEDs, play an important part in preserving and enhancing the inherent LED qualities of clarity, speed, and efficiency.
The MAXPOWERTOOL002# is a USB-to-PMBusTM interface dongle for exclusive use with Analog Devices’ digital power products. The dongle can be used to communicate with PMBus devices using the installed Digital PowerTool software. 1. Download and install the Digital PowerTool software available at:
MAX7221 LED Display Drivers Dec 29, 2003 Abstract: This application note describes a PC program, downloadable for free, to assist in the evaluation of the MAX7219 and MAX7221 LED display drivers. The MAX7219 and MAX7221 are 8-digit, 7-segment, common-cathode, multiplexed, LED display drivers
The MAX20096 evaluation kit (EV kit) provides a proven design to evaluate the MAX20096 dual-channel synchronous buck, high-brightness LED controller with and without SPI interface for high-power HB LED drivers. The EV kit is set up as a dual-buck LED driver and operates from a 4.5V to 65V DC supply voltage.
A 20mA constant-current LED driver (static or pulse-width modulated (PWM)). A 10mA constant-current LED driver (static or PWM). An open-drain logic output. An overvoltage-protected Schmitt logic input. Analog and switching LED intensity control is built in: Individual 8-bit PWM control per output.
The MAX6960–MAX6963 are compact cathode-row display drivers that interface microprocessors to 8 x 8 dot-matrix red, green, and yellow (R,G,Y) LED displays through a high-speed 4-wire serial interface. The MAX6960–MAX6963 drive two monocolor 8 x 8 matrix displays, or a single RGY 8 x 8 matrix display with no external components.
