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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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A4954ELPTR-T是美国ALLEGRO(埃戈罗)推出的一款集成式有刷直流电机驱动芯片,专为中小功率有刷电机的高效控制设计,兼具宽电压适应性、低静态功耗与高集成度特性,可满足工业、便携、消费电子等多领域的电机驱动需求。
该芯片的核心定位是中小功率有刷直流电机的集成驱动解决方案,通过内置H桥拓扑与功率MOSFET,替代传统“驱动IC+外部MOS管”的分立方案,实现“小体积、低功耗、高可靠性”的设计目标。其支持8V~40V宽输入电压范围,覆盖12V、24V等常见电源系统,同时具备2A连续输出电流与5A峰值电流能力,可应对电机启动、堵转等瞬时大电流场景。
内置2组H桥拓扑,支持单电机双向驱动(正反转控制)或双电机独立驱动,灵活适配不同电机配置;同时集成功率MOSFET与驱动逻辑,无需外部MOS管及驱动电路,大幅简化PCB设计与物料清单(BOM)。
采用TSSOP-16-EP-175mil封装:
A4954ELPTR-T可广泛应用于:
综上,A4954ELPTR-T凭借集成度高、功耗低、宽电压适配等优势,成为中小功率有刷直流电机驱动的优选方案,可帮助工程师快速实现可靠、高效的电机控制设计。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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