XL7221 – LED Display Driver – Xinluda

The Xinluda XL7221 is a serially interfaced, 8-digit common-cathode LED display driver in a SOP-24 package, pin- and function-compatible with the industry-standard MAX7221. Available now for RFQ from Pacific Component Xchange.

The XL7221 from Xinluda is a compact serial input/output, common-cathode LED display driver that connects a microprocessor to a 7-segment numeric LED display of up to 8 digits, a bar-graph display, or up to 64 individual LEDs. It is designed as a drop-in, MAX7221-compatible device, making it a practical second source for legacy and cost-sensitive display designs.

Each XL7221 integrates a BCD Code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8×8 static RAM that stores each digit’s data. Only a single external resistor is required to set the segment current for all LEDs, and the device offers both per-digit decode selection and dual (digital and analog) brightness control. Its slew-rate-limited segment drivers help reduce electromagnetic interference (EMI), and a low-power shutdown mode retains display data.

Key Features

• Serially interfaced, 8-digit LED display driver (common-cathode)
• MAX7221-compatible function and pinout
• 10MHz serial interface supporting SPI, QSPI and Microwire
• Drives up to 8 7-segment digits, a bar graph, or 64 individual LEDs
• On-chip BCD Code-B decoder with selectable decode/no-decode per digit
• Integrated 8×8 static display RAM
• Single external resistor sets segment current for all LEDs
• Digital and analog brightness control
• Low-power shutdown mode with data retention
• Slew-rate-limited segment drivers for reduced EMI
• Display blanked on power-up
• +5V supply operation; -40C to +85C operating temperature range
• SOP-24 (300mil) package (DIP-24 available as XD7221)

Applications

• Numeric 7-segment LED display panels
• Industrial control and instrumentation displays
• Bar-graph and LED indicator arrays
• Point-of-sale, metering, and appliance displays
• Embedded systems requiring serial LED display control

Why Source XL7221 from Pacific Component Xchange

The XL7221 is a specialty display-driver IC with little to no authorized-distributor stock, which can stall production and repair builds. Pacific Component Xchange specializes in hard-to-find and obsolete power-management and interface ICs, helping engineers and buyers secure parts that mainstream catalog distributors cannot supply. We back our sourcing with authenticity verification and global shipping. Request a quote (RFQ) for the XL7221 today and our team will source genuine product to meet your quantity, lead-time, and quality requirements.