L9918 ST Automotive Voltage Regulator | 5-PENTAWATT | 5V Output, 1.5A

Product Overview

The L9918 is a monolithic integrated voltage regulator designed by STMicroelectronics, specifically for automotive applications. It provides a regulated 5V output with a current capability of up to 1.5A. The device is housed in a 5-PENTAWATT package, which offers excellent thermal performance and robustness for harsh environments. The L9918 features a low dropout voltage, high accuracy, and built-in protection circuits including overcurrent, overtemperature, and short-circuit protection. It is ideal for powering microcontrollers, sensors, and other electronic modules in automotive systems.

Detailed Technical Specifications

Key Features

• 5V fixed output voltage with high accuracy (±2%)
• Output current up to 1.5A
• Low dropout voltage (0.5V typical at 1A)
• Wide input voltage range (6V to 28V)
• Built-in overcurrent, overtemperature, and short-circuit protection
• Stable with low ESR output capacitors
• Automotive grade qualified (AEC-Q100)

Target Applications

• Automotive engine control units (ECUs)
• Infotainment systems (e.g., dashboard displays, navigation units)
• Advanced driver-assistance systems (ADAS) modules
• Body control modules (e.g., lighting, door locks)
• 5G base station power management (automotive-grade variants)
• Industrial and medical equipment requiring robust voltage regulation

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L9918. 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

L9918 是意法半導體（STMicroelectronics）設計的單片集成穩壓器，專為汽車應用而設計。它提供穩定的 5V 輸出，電流能力高達 1.5A。該器件採用 5-PENTAWATT 封裝，具有出色的熱性能和對惡劣環境的耐受性。L9918 具有低壓差、高精度以及內置的過流、過溫和短路保護電路。它非常適合為汽車系統中的微控制器、傳感器和其他電子模塊供電。

詳細技術參數

核心特性

• 5V 固定輸出電壓，高精度（±2%）
• 輸出電流高達 1.5A
• 低壓差電壓（1A 時典型值 0.5V）
• 寬輸入電壓範圍（6V 至 28V）
• 內置過流、過溫和短路保護
• 與低 ESR 輸出電容穩定工作
• 符合汽車級認證（AEC-Q100）

典型應用場景

• 汽車發動機控制單元（ECU）
• 信息娛樂系統（例如儀表板顯示屏、導航單元）
• 高級駕駛輔助系統（ADAS）模塊
• 車身控制模塊（例如照明、門鎖）
• 5G 基站電源管理（汽車級變體）
• 需要穩健電壓調節的工業和醫療設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L9918 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]