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MAX7219 LED Driver

The MAX7219 is a compact, serial-interfaced 8-digit LED display driver that simplifies control of 7-segment LED displays. It interfaces directly with microcontrollers via SPI-like protocol, handling digit scanning and brightness control.

MAX7219 LED Driver
₹246.31Buy Now

Specifications

Operating Voltage: 4.0V to 5.5V Maximum Segment Current: 120mA Display Digits: 8 (7-segment) or 64 individual LEDs Serial Interface: SPI-like (10MHz max) Package Types: DIP-24, SOIC-24, SSOP-24 Operating Temperature: -40°C to +85°C Shutdown Current: 150µA Brightness Control: Analog (ISET pin) and Digital (register) Scan Rate: 800Hz (typical) Decode Mode: BCD 7-segment decode or no-decode

Details

The MAX7219 is a high-performance, common-cathode display driver that interfaces microprocessors to 7-segment LED displays or dot matrix displays. It features an industry-standard, 3-wire serial interface and can drive up to 8 digits of 7-segment LEDs or 64 individual LEDs. Key features include a 150µA low-power shutdown mode, analog and digital brightness control, a scan-limit register for displaying 1 to 8 digits, and a 10MHz serial interface. The device requires only one external resistor to set segment current for all LEDs. It is ideal for applications like digital clocks, LED matrix displays, industrial counters, and instrumentation panels. Choose the MAX7219 for its ease of use, reduced component count, and reliable performance in driving LED displays from microcontrollers like Arduino, ESP32, and PIC.

Tags

LED DriverMAX72197-Segment DisplaySPI InterfaceDot MatrixMicrocontrollerDisplay DriverLED Control

Alternatives

  • MAX7221
  • HT16K33
  • TM1637
  • 74HC595