LP3972SQ-E514/NOPB TI Power Management IC | 40-WQFN (5x5) | I2C, 4 Buck Converters

Product Overview

The LP3972SQ-E514/NOPB is a high-performance power management integrated circuit (PMIC) from Texas Instruments, designed for portable and battery-powered applications. It integrates four step-down DC-DC converters, multiple LDOs, and a battery charger in a compact 40-pin WQFN package (5x5 mm). The device supports I2C communication for dynamic voltage scaling and system optimization, making it ideal for smartphones, tablets, and other handheld devices.

Detailed Technical Specifications

Key Features

• Four high-efficiency step-down converters with up to 95% efficiency
• Six low-dropout regulators (LDOs) for noise-sensitive rails
• Integrated battery charger with programmable charge current
• I2C interface for dynamic voltage scaling and power sequencing
• Power-good output and over-temperature protection
• Small footprint: 5x5 mm WQFN package

Target Applications

• Smartphones and tablets (e.g., Samsung Galaxy series, iPad)
• Portable media players (e.g., iPod Touch)
• Handheld gaming consoles (e.g., Nintendo Switch Lite)
• IoT devices and wearables (e.g., smartwatches)
• 5G base station control boards
• Automotive dashboard infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP3972SQ-E514/NOPB. 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

LP3972SQ-E514/NOPB 是德州儀器（TI）推出的一款高性能電源管理集成電路（PMIC），專為便攜式和電池供電設備設計。它集成了四個降壓DC-DC轉換器、多個LDO和一個電池充電器，採用緊湊的40引腳WQFN封裝（5x5 mm）。該器件支持I2C通信，可實現動態電壓調節和系統優化，非常適合智能手機、平板電腦和其他手持設備。

詳細技術參數

核心特性

• 四個高效降壓轉換器，效率高達95%
• 六個低壓差穩壓器（LDO），適用於噪聲敏感電源軌
• 集成電池充電器，可編程充電電流
• I2C接口，支持動態電壓調節和上電時序控制
• 電源正常輸出和過溫保護
• 小尺寸封裝：5x5 mm WQFN

典型應用場景

• 智能手機和平板電腦（例如三星Galaxy系列、iPad）
• 便攜式媒體播放器（例如iPod Touch）
• 手持遊戲機（例如Nintendo Switch Lite）
• 物聯網設備和可穿戴設備（例如智能手錶）
• 5G基站控制板
• 汽車儀表盤信息娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP3972SQ-E514/NOPB 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]