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Product Overview
The LP873220RHDT from Texas Instruments is a high-performance power management IC (PMIC) designed for space-constrained applications. It integrates two step-down DC/DC converters and two low-dropout regulators (LDOs) in a compact 28-pin VQFN (5x5 mm) package. This device provides efficient power conversion and sequencing for processors, FPGAs, and other digital loads in industrial, automotive, and telecom systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Buck Output Voltage |
0.6V to 3.3V (adjustable) |
| Buck Output Current |
2A per channel |
| LDO Output Voltage |
0.8V to 3.3V (adjustable) |
| LDO Output Current |
300mA per channel |
| Switching Frequency |
2.2 MHz (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
28-VQFN (5x5 mm) |
Key Features
- Dual 2A step-down converters with high efficiency
- Two 300mA LDOs for noise-sensitive rails
- I2C interface for dynamic voltage scaling and sequencing
- Programmable startup and shutdown sequencing
- Overcurrent and overtemperature protection
- Small footprint: 5x5 mm QFN package
Target Applications
- 5G base stations: powering FPGAs and DSPs
- Automotive infotainment: dashboard displays and telematics
- Industrial automation: PLCs and motor control
- Portable medical devices: patient monitors
- Networking equipment: routers and switches
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP873220RHDT. 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
LP873220RHDT 是德州儀器(TI)推出的一款高性能電源管理IC(PMIC),專為空間受限的應用設計。它集成了兩個降壓DC/DC轉換器和兩個低壓差穩壓器(LDO),採用緊湊的28引腳VQFN(5x5 mm)封裝。該器件為處理器、FPGA和其他數字負載提供高效的電源轉換和時序控制,適用於工業、汽車和電信系統。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 降壓輸出電壓 |
0.6V 至 3.3V(可調) |
| 降壓輸出電流 |
每通道 2A |
| LDO 輸出電壓 |
0.8V 至 3.3V(可調) |
| LDO 輸出電流 |
每通道 300mA |
| 開關頻率 |
2.2 MHz(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
28-VQFN(5x5 mm) |
核心特性
- 雙路 2A 降壓轉換器,高效率
- 兩個 300mA LDO,用於噪聲敏感電源軌
- I2C 接口,支持動態電壓調整和時序控制
- 可編程啟動和關閉時序
- 過流和過溫保護
- 小尺寸:5x5 mm QFN 封裝
典型應用場景
- 5G 基站:為 FPGA 和 DSP 供電
- 汽車信息娛樂:儀表盤顯示和車載通信
- 工業自動化:PLC 和電機控制
- 便攜醫療設備:病人監護儀
- 網絡設備:路由器和交換機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP873220RHDT 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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