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Product Overview
The LP873364RHDR 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 one low-dropout (LDO) regulator in a compact 28-pin VQFN (5x5 mm) package. This device is optimized for powering 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 |
| Output Voltage (Buck1) |
0.6V to 3.4V (adjustable) |
| Output Voltage (Buck2) |
0.6V to 3.4V (adjustable) |
| Output Voltage (LDO) |
0.8V to 3.3V (adjustable) |
| Output Current (Buck1) |
2A |
| Output Current (Buck2) |
1A |
| Output Current (LDO) |
300mA |
| Switching Frequency |
2.2 MHz (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
28-VQFN (5x5 mm) |
Key Features
- Dual high-efficiency step-down converters with up to 95% efficiency
- Low-noise LDO with high PSRR
- I2C interface for dynamic voltage scaling and configuration
- Programmable startup sequencing and power-good outputs
- Overcurrent and overtemperature protection
- Small footprint: 5x5 mm VQFN package
Target Applications
- 5G base station power management (e.g., for FPGA cores)
- Automotive dashboard and infotainment systems
- Industrial control and automation (PLC, motor drives)
- Portable medical devices (e.g., patient monitors)
- Networking equipment (routers, switches)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP873364RHDR. Our core advantages include:
-
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
LP873364RHDR 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 轉換器和一個低壓差穩壓器(LDO),採用緊湊的 28 引腳 VQFN(5x5 mm)封裝。該器件優化用於為工業、汽車和電信系統中的處理器、FPGA 及其他數字負載供電。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 輸出電壓(Buck1) |
0.6V 至 3.4V(可調) |
| 輸出電壓(Buck2) |
0.6V 至 3.4V(可調) |
| 輸出電壓(LDO) |
0.8V 至 3.3V(可調) |
| 輸出電流(Buck1) |
2A |
| 輸出電流(Buck2) |
1A |
| 輸出電流(LDO) |
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
- 雙路高效降壓轉換器,效率高達 95%
- 低噪聲 LDO,高 PSRR
- I2C 接口,支持動態電壓調節和配置
- 可編程啟動序列和電源正常輸出
- 過流和過溫保護
- 小尺寸:5x5 mm VQFN 封裝
典型應用場景
- 5G 基站電源管理(例如為 FPGA 內核供電)
- 汽車儀表盤和信息娛樂系統
- 工業控制和自動化(PLC、電機驅動)
- 便攜式醫療設備(例如病人監護儀)
- 網絡設備(路由器、交換機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP873364RHDR 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。
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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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