L297D ST Stepper Motor Controller | 20-SO | 10V-46V, 4-Phase Drive

Product Overview

The L297D is a dedicated stepper motor controller IC from STMicroelectronics, designed to drive 4-phase stepper motors in both half-step and full-step modes. It integrates a translator, PWM current control, and a chopper circuit, simplifying the design of high-performance stepper motor drives. The device operates from a supply voltage of 10V to 46V and is housed in a compact 20-SO package, making it suitable for space-constrained applications.

Detailed Technical Specifications

Key Features

• Integrated translator for step and direction control
• PWM constant current control with chopper
• Half-step and full-step operation
• Enable and reset functions
• Overcurrent protection
• Low power dissipation

Target Applications

• 5G base station antenna alignment systems
• Automotive dashboard stepper motors
• Industrial automation (CNC, 3D printers)
• Medical equipment (pumps, scanners)
• Office automation (printers, scanners)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L297D. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

L297D 是意法半導體（STMicroelectronics）推出的專用步進電機控制器 IC，設計用於驅動 4 相步進電機，支持半步和全步模式。它集成了譯碼器、PWM 電流控制和斬波電路，簡化了高性能步進電機驅動的設計。該器件工作電源電壓範圍為 10V 至 46V，採用緊湊的 20-SO 封裝，適合空間受限的應用。

詳細技術參數

核心特性

• 集成譯碼器，支持步進和方向控制
• PWM 恆流控制帶斬波功能
• 半步和全步操作
• 使能和復位功能
• 過流保護
• 低功耗

典型應用場景

• 5G 基站天線對準系統
• 汽車儀表盤步進電機
• 工業自動化（CNC、3D 打印機）
• 醫療設備（泵、掃描儀）
• 辦公自動化（打印機、掃描儀）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L297D 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]