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Product Overview
The LP3972SQ-0514/NOPB is a high-performance power management IC (PMIC) from Texas Instruments, designed for portable and battery-powered applications. It integrates four low-dropout regulators (LDOs), a buck-boost converter, and a battery charger, providing a compact and efficient power solution. The device operates from a single Li-Ion cell or 2.7V to 5.5V input, delivering regulated outputs with low quiescent current. Its small package and high integration make it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 5.5V |
| Number of LDOs |
4 |
| LDO Output Voltage (Fixed) |
1.2V, 1.8V, 2.8V, 3.3V |
| Buck-Boost Output Voltage |
3.3V (adjustable) |
| Battery Charger |
Li-Ion, up to 500mA |
| Quiescent Current |
30 µA (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-pin WQFN (4x4 mm) |
Key Features
- Integrated 4 LDOs, buck-boost converter, and battery charger
- Low quiescent current for extended battery life
- Small footprint: 24-pin WQFN package
- Power-good output and enable control
- Overcurrent and thermal protection
Target Applications
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Wireless headsets and earbuds
- IoT sensors and wearables
- 5G base station remote radio units (RRUs) - auxiliary power
- Automotive dashboard displays (infotainment clusters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3972SQ-0514/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LP3972SQ-0514/NOPB 是德州儀器(TI)推出的一款高性能電源管理IC(PMIC),專為便攜式和電池供電應用設計。它集成了四個低壓差穩壓器(LDO)、一個升降壓轉換器和一個電池充電器,提供緊湊高效的電源解決方案。該器件可在單節鋰離子電池或2.7V至5.5V輸入下工作,輸出穩壓電壓,靜態電流低。其小型封裝和高集成度使其非常適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| LDO 數量 |
4 |
| LDO 輸出電壓(固定) |
1.2V, 1.8V, 2.8V, 3.3V |
| 升降壓輸出電壓 |
3.3V(可調) |
| 電池充電器 |
鋰離子,最高500mA |
| 靜態電流 |
30 µA(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24引腳 WQFN(4x4 mm) |
核心特性
- 集成4個LDO、升降壓轉換器和電池充電器
- 低靜態電流,延長電池壽命
- 小型封裝:24引腳 WQFN
- 電源正常輸出和使能控制
- 過流和過熱保護
典型應用場景
- 便攜式醫療設備(如血糖儀、脈搏血氧儀)
- 無線耳機和耳塞
- 物聯網傳感器和可穿戴設備
- 5G基站遠程射頻單元(RRU)輔助電源
- 汽車儀表板顯示(信息娛樂集群)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3972SQ-0514/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:
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]