Shenzhen Xinluda Information Technology Co., Ltd Electronic Parts
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The XD3915 from Xinluda is a monolithic logarithmic LED dot/bar display driver housed in an 18-pin DIP package. It senses an analog input voltage and drives a string of up to 10 LEDs in either a moving-dot or full-bar display, with each step representing a logarithmic increment. This makes the XD3915 a popular, cost-effective equivalent to the classic LM3915-family display driver for signals with a wide dynamic range, such as audio levels and signal strength.
Output LED current is internally regulated and programmable, which eliminates the need for external current-limiting resistors on each LED and simplifies board layout. A single mode-select pin switches the entire display between bar-graph and dot modes. The device runs from a single low-voltage supply, making it well suited to battery-powered and compact instrumentation designs.
The Xinluda XD3915 is a specialty display-driver IC with limited authorized-distributor coverage in Western markets, which can make it difficult to source reliably for production or maintenance runs. Pacific Component Xchange is an independent distributor focused on hard-to-find and obsolete power-management and display-driver components. We help engineers and buyers secure XD3915 inventory with authenticity verification, flexible quantities, and global shipping.
Because this is a Request-For-Quote item, pricing and lead time are confirmed per order. Submit an RFQ today and our sourcing team will respond with current availability, pricing, and shipping options for the XD3915.
The XD3915 is a logarithmic LED dot/bar display driver IC from Xinluda. It senses an analog input voltage and lights up to 10 LEDs in a bar-graph or moving-dot pattern, functioning as an equivalent to the classic LM3915-family display driver.
The XD3915 is supplied in an 18-pin DIP (DIP-18) through-hole package. It is RoHS compliant and rated MSL 1 for low moisture sensitivity.
Per the distributor datasheet listing, the XD3915 operates from a 3 V to 20 V single supply and provides regulated, programmable LED drive current of roughly 10u201330 mA per output, eliminating the need for external current-limiting resistors.
The XD3915 is a function-compatible LM3915-type logarithmic (3 dB/step) display driver in the same DIP-18 form factor. Designers should always confirm exact electrical parameters against the Xinluda datasheet for their specific application before substitution.
Within the Xinluda family, the XD3914 is a linear dot/bar driver (LM3914-type), the XD3915 is a logarithmic 3 dB/step driver (LM3915-type) suited to wide-dynamic-range audio and signal levels, and the XD3916 follows the LM3916 VU-meter scale.
The XD3915 is offered as a Request-For-Quote item due to limited authorized-distributor availability. Submit an RFQ to Pacific Component Xchange and our team will provide current pricing, availability, and global shipping options.
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