L6203 ST DMOS Full-Bridge Driver | Multiwatt-11 | 48V, 4A

Product Overview

The L6203 is a monolithic full-bridge driver designed by STMicroelectronics, fabricated using BCD (Bipolar-CMOS-DMOS) technology. It integrates a DMOS full-bridge with a constant off-time PWM current controller, enabling efficient and precise motor control. The device is housed in a Multiwatt-11 package with vertical, bent, and staggered leads, suitable for high-power applications requiring robust thermal performance.

Detailed Technical Specifications

Key Features

• DMOS full-bridge with integrated bootstrap diodes
• Constant off-time PWM current control
• Cross-conduction protection
• Thermal shutdown and under-voltage lockout
• Compatible with TTL/CMOS logic levels
• Low RDS(on) for high efficiency

Target Applications

The L6203 is ideal for driving DC motors, stepper motors, and other inductive loads in applications such as: 5G base station antenna tilt control, automotive dashboard actuators, industrial automation robotics, CNC machine spindle drives, and medical equipment pumps.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L6203. 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

L6203 是意法半導體（ST）採用 BCD（雙極-CMOS-DMOS）工藝製造的單片全橋驅動器。它集成了 DMOS 全橋和固定關斷時間 PWM 電流控制器，可實現高效精確的電機控制。器件採用 Multiwatt-11 封裝（垂直、彎曲和錯列引線），適用於需要強大熱性能的高功率應用。

詳細技術參數

核心特性

• 集成自舉二極管的 DMOS 全橋
• 固定關斷時間 PWM 電流控制
• 交叉導通保護
• 熱關斷和欠壓鎖定
• 兼容 TTL/CMOS 邏輯電平
• 低導通電阻，高效率

典型應用場景

L6203 適用於驅動直流電機、步進電機和其他感性負載，例如：5G 基站天線傾角控制、汽車儀表盤執行器、工業自動化機器人、CNC 機床主軸驅動以及醫療設備泵。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L6203 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]