🧪 SAMPLE SUPPORT
✅ 100% Original & Traceable
🚀 Inquiry Today, Ship Today
🛡️ Escrow.com Secured Payment
Product Overview
The LM25143RHAR from Texas Instruments is a versatile dual-output synchronous buck DC-DC controller designed for high-performance power conversion. It operates over a wide input voltage range of 4.5V to 42V, making it suitable for automotive, industrial, and telecom applications. The device integrates two independent controllers with adaptive dead-time control and frequency synchronization up to 2.2 MHz. Housed in a compact 40-pin VQFN (6x6 mm) package, it offers high efficiency and reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 42V |
| Output Voltage Range |
0.8V to 42V |
| Output Current per Channel |
Up to 20A (external FETs) |
| Switching Frequency |
100 kHz to 2.2 MHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
40-VQFN (6x6 mm) |
| Control Architecture |
Current Mode Control |
| Protection Features |
OVP, OCP, UVLO, Thermal Shutdown |
Key Features
- Dual synchronous buck controller with 180° out-of-phase operation
- Wide input voltage range: 4.5V to 42V
- Adjustable switching frequency up to 2.2 MHz
- Adaptive dead-time control for high efficiency
- Precision 1% reference voltage
- Programmable soft-start and tracking
- Power-good output and enable function
- Overvoltage, overcurrent, and thermal protection
Target Applications
- Automotive infotainment and ADAS (e.g., dashboard power supplies)
- 5G base station power management
- Industrial automation and robotics
- Telecom and networking equipment
- General-purpose multi-rail power systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM25143RHAR. 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
LM25143RHAR 是德州儀器(TI)推出的一款雙輸出同步降壓 DC-DC 控制器,專為高效能電源轉換設計。其輸入電壓範圍為 4.5V 至 42V,適用於汽車、工業和電信應用。該器件整合了兩個獨立控制器,具備自適應死區時間控制和最高 2.2 MHz 的頻率同步功能。採用緊湊的 40 引腳 VQFN(6x6 mm)封裝,提供高效率和高可靠性。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 42V |
| 輸出電壓範圍 |
0.8V 至 42V |
| 每通道輸出電流 |
最高 20A(外部 FET) |
| 開關頻率 |
100 kHz 至 2.2 MHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
40-VQFN(6x6 mm) |
| 控制架構 |
電流模式控制 |
| 保護功能 |
過壓、過流、欠壓鎖定、熱關斷 |
核心特性
- 雙同步降壓控制器,180° 錯相工作
- 寬輸入電壓範圍:4.5V 至 42V
- 可調開關頻率最高 2.2 MHz
- 自適應死區時間控制,實現高效率
- 精確 1% 參考電壓
- 可編程軟啟動和跟踪
- 電源正常指示和使能功能
- 過壓、過流和熱保護
典型應用場景
- 汽車信息娛樂和 ADAS(例如儀表板電源)
- 5G 基站電源管理
- 工業自動化和機器人
- 電信和網絡設備
- 通用多軌電源系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM25143RHAR 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。
🔥 熱門型號推薦 / Hot Related Models:
TLC5943PWPR | UC2825BN | UC2823DW | LM51551QDSSTQ1 | UC3827N-1 | LM3530TMX-40/NOPB | TPS92612DBVR | TPS43061RTER
獲取報價或技術手冊 / Need Batch Quote or Datasheet?
Our team provides competitive wholesale pricing for LM25143RHAR.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]