LP877451A1RXVR TI PMIC | 28-VQFN-HR（4.5X5） | Dual Buck, LDO

Product Overview

The LP877451A1RXVR is a high-performance power management IC (PMIC) from Texas Instruments, designed for space-constrained and power-sensitive applications. It integrates two step-down DC/DC converters and one low-dropout (LDO) regulator in a compact 28-pin VQFN-HR package (4.5mm x 5mm). The device operates over a wide input voltage range of 2.5V to 5.5V, making it suitable for battery-powered and industrial systems. With programmable output voltages via I2C interface, it offers flexibility for various power rails.

Detailed Technical Specifications

Key Features

• Dual high-efficiency step-down converters with up to 95% efficiency
• Low-noise LDO with high PSRR
• I2C programmable output voltages and sequencing
• Power-good indicators and output discharge
• Overcurrent and overtemperature protection
• Small footprint: 4.5mm x 5mm VQFN-HR package

Target Applications

• 5G base station power management
• Automotive dashboard and infotainment systems
• Industrial sensors and IoT gateways
• Portable medical devices
• FPGA and SoC core power supplies

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP877451A1RXVR. 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

LP877451A1RXVR 是德州儀器（TI）推出的一款高性能電源管理IC（PMIC），專為空間受限且對功耗敏感的應用設計。它集成了兩個降壓DC/DC轉換器和一個低壓差穩壓器（LDO），採用緊湊的28引腳VQFN-HR封裝（4.5mm x 5mm）。器件支持2.5V至5.5V的寬輸入電壓範圍，適用於電池供電和工業系統。通過I2C接口可編程輸出電壓，為各種電源軌提供靈活性。

詳細技術參數

核心特性

• 雙路高效降壓轉換器，效率高達95%
• 低噪聲LDO，高電源抑制比
• I2C可編程輸出電壓和上電時序
• 電源正常指示和輸出放電功能
• 過流和過溫保護
• 小尺寸：4.5mm x 5mm VQFN-HR封裝

典型應用場景

• 5G基站電源管理
• 汽車儀表盤和信息娛樂系統
• 工業傳感器和物聯網網關
• 便攜式醫療設備
• FPGA和SoC核心電源

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP877451A1RXVR 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]