LP877451A1RXVRQ1 TI PMIC | 28-VQFN-HR（4.5X5） | 2 Buck, 1 LDO, 3.3V/1.8V/1.2V

Product Overview

The LP877451A1RXVRQ1 is a high-performance power management IC (PMIC) from Texas Instruments, designed for automotive and industrial applications. It integrates two step-down DC/DC converters and one low-dropout (LDO) regulator, providing efficient power delivery for multi-rail systems. Housed in a compact 28-pin VQFN-HR package (4.5mm x 5mm), this device offers a wide input voltage range of 2.8V to 5.5V, making it suitable for battery-powered and regulated supply environments. The LP877451A1RXVRQ1 features programmable output voltages, high efficiency, and robust protection features, ensuring reliable operation in harsh conditions.

Detailed Technical Specifications

Key Features

• Integrated 2 buck converters and 1 LDO for multi-rail power management
• High efficiency up to 95% with light-load PFM mode
• Programmable output voltages via I2C interface
• Low quiescent current for battery-powered applications
• Protection features: overcurrent, overtemperature, undervoltage lockout
• Spread spectrum for reduced EMI
• AEC-Q100 qualified for automotive applications

Target Applications

• Automotive infotainment and cluster systems (e.g., dashboard displays, head units)
• Advanced driver-assistance systems (ADAS) modules (e.g., radar sensors, camera modules)
• 5G base station power management
• Industrial control systems and PLCs
• Portable and battery-powered devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP877451A1RXVRQ1. 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

LP877451A1RXVRQ1 是德州儀器（TI）推出的一款高性能電源管理IC（PMIC），專為汽車和工業應用設計。它集成了兩個降壓DC/DC轉換器和一個低壓差穩壓器（LDO），為多電壓軌系統提供高效的電源傳輸。該器件採用緊湊的28引腳VQFN-HR封裝（4.5mm x 5mm），輸入電壓範圍為2.8V至5.5V，適用於電池供電和穩壓電源環境。LP877451A1RXVRQ1 具有可編程輸出電壓、高效率以及強大的保護功能，確保在惡劣條件下可靠運行。

詳細技術參數

核心特性

• 集成2個降壓轉換器和1個LDO，實現多電壓軌電源管理
• 高效率高達95%，輕載時採用PFM模式
• 通過I2C接口可編程輸出電壓
• 低靜態電流，適用於電池供電應用
• 保護功能：過流、過熱、欠壓鎖定
• 展頻功能降低EMI
• 通過AEC-Q100認證，適用於汽車應用

典型應用場景

• 汽車信息娛樂和儀表系統（例如儀表板顯示、主機）
• 高級駕駛輔助系統（ADAS）模塊（例如雷達傳感器、攝像頭模塊）
• 5G基站電源管理
• 工業控制系統和PLC
• 便攜式和電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP877451A1RXVRQ1 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]