Xinluda Information Technology Co., Ltd. Electronic Parts
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The XL297 from Xinluda is a stepper motor controller IC designed to generate four-phase drive signals for two-phase bipolar and four-phase unipolar (single-pole) stepper motors in microcomputer-controlled systems. The device handles motor phase-sequence generation on-chip, reducing the load on the host microprocessor: the system needs to supply only clock, direction, and mode signals. This makes it a practical building block for compact, low-overhead stepper drive designs. The XL297 follows the well-known L297-class controller architecture, and a companion device, the XD297, offers the same function in a DIP20 package.
The device drives the motor in normal (two-phase-on), wave (one-phase-on), and half-step modes. Its integrated dual PWM chopper circuit enables switch-mode control of the winding current, with the peak current programmed by a reference voltage on the Vref pin. The XL297 is intended to pair with a dual bridge driver such as the XZ298N, a quad Darlington array, or discrete power devices, giving designers flexibility across a range of motor sizes and current levels.
The XL297 is a Xinluda-branded controller with limited authorized-distributor coverage, which can make it difficult to source reliably for production or maintenance needs. Pacific Component Xchange specializes in hard-to-find and end-of-life power-management ICs, motor-control devices, and optocouplers, helping engineers and procurement teams secure components that mainstream channels do not stock.
Every XL297 we supply is screened for authenticity and quality, and we ship worldwide to support both prototype and volume requirements. Because this is a Request-For-Quote item, pricing and lead time are confirmed per order based on current supply. Contact Pacific Component Xchange today to request a quote for the XL297 and let our sourcing specialists help you secure this and other obsolete or scarce components.
The XL297 is a Xinluda stepper motor controller IC that generates four-phase drive signals for two-phase bipolar and four-phase unipolar stepper motors. It handles phase-sequence generation on-chip and includes a dual PWM chopper for switch-mode winding-current control.
The XL297 is supplied in an SOP-20 package. A pin-compatible companion part, the XD297, is offered in a DIP20 package.
The XL297 operates from a control supply (Vs) of 4.75 V to 7 V and draws a quiescent supply current of about 50 mA typical, 80 mA maximum. Note that the controller itself does not carry the motor winding current; in a typical bipolar application the external bridge driver handles winding currents up to about 2 A.
It uses a simple host interface requiring clock, direction (CW/CCW), and mode-select (HALF/FULL) signals, plus an enable input. Operating modes include normal/wave drive and half/full step, and it also provides a reset input and a home output.
The XL297 follows the well-known L297-class stepper controller architecture and function. Always verify pinout, timing, and electrical parameters against your application and the datasheet before substitution.
Yes. The XL297 is a Request-For-Quote item with limited authorized-distributor availability. Contact Pacific Component Xchange to request current pricing, lead time, and quantity availability. We screen for authenticity and ship worldwide.
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