L9942XP1TR ST Automotive Stepper Driver | PowerSSO-24 | 1.5A, 1/16 Microstepping

Product Overview

The L9942XP1TR is a fully integrated stepper motor driver from STMicroelectronics, designed for automotive and industrial applications. It features dual H-bridge drivers capable of driving up to 1.5 A per phase with 1/16 microstepping resolution. The device is housed in a compact PowerSSO-24 package, offering excellent thermal performance and space savings. It includes advanced protection features such as overcurrent, overtemperature, and short-circuit detection, making it ideal for harsh environments.

Detailed Technical Specifications

Key Features

• Dual H-bridge stepper motor driver
• 1.5 A output current per phase
• 1/16 microstepping for smooth motion
• Integrated current sensing and regulation
• SPI interface for configuration and diagnostics
• Comprehensive protection: overcurrent, overtemperature, short-circuit, undervoltage lockout
• Low RDS(on) power MOSFETs for high efficiency
• AEC-Q100 qualified for automotive applications

Target Applications

The L9942XP1TR is ideal for automotive and industrial applications requiring precise stepper motor control. Specific examples include:

• Automotive headlamp leveling systems
• HVAC actuator control in vehicles
• Industrial valve positioning
• Robotic arm joint control
• 5G base station antenna tilt adjustment
• Dashboard gauge pointers
• Medical pump systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L9942XP1TR. 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

L9942XP1TR 是意法半導體（STMicroelectronics）推出的全集成步進電機驅動器，專為汽車和工業應用設計。它包含雙 H 橋驅動器，每相可驅動高達 1.5 A 的電流，支持 1/16 微步進分辨率。器件採用緊湊的 PowerSSO-24 封裝，具有出色的熱性能和節省空間的優勢。它包含先進的保護功能，如過流、過溫和短路檢測，非常適合惡劣環境。

詳細技術參數

核心特性

• 雙 H 橋步進電機驅動器
• 每相 1.5 A 輸出電流
• 1/16 微步進實現平穩運動
• 集成電流檢測和調節
• SPI 接口用於配置和診斷
• 全面保護：過流、過溫、短路、欠壓鎖定
• 低 RDS(on) 功率 MOSFET 實現高效率
• 通過 AEC-Q100 認證，適用於汽車應用

典型應用場景

L9942XP1TR 適用於需要精確步進電機控制的汽車和工業應用。具體實例包括：

• 汽車前照燈調平系統
• 車輛 HVAC 執行器控制
• 工業閥門定位
• 機械臂關節控制
• 5G 基站天線傾角調節
• 儀表板指針
• 醫療泵系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L9942XP1TR 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]