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Product Overview
The LM22674QMRE-5.0/NOPB is a high-performance step-down switching voltage regulator from Texas Instruments, designed for automotive and industrial applications. It delivers a fixed 5V output with up to 1A load current, featuring high efficiency and excellent line/load regulation. Housed in an 8-SO-POWERPAD package, it integrates a 42V N-channel MOSFET and operates at a switching frequency of 500 kHz. The device is qualified to AEC-Q100 standards for automotive reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
5V (Fixed) |
| Output Current |
1A |
| Input Voltage Range |
4.5V to 42V |
| Switching Frequency |
500 kHz |
| Efficiency |
Up to 90% |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SO-POWERPAD |
| Quiescent Current |
2.5 mA |
| Enable Pin |
Yes |
| Soft Start |
Internal |
| Protection Features |
Thermal Shutdown, Current Limit, UVLO |
Key Features
- Integrated 42V N-channel MOSFET
- Fixed 5V output with ±2% accuracy
- Wide input voltage range: 4.5V to 42V
- High efficiency up to 90%
- 500 kHz switching frequency enables small external components
- Internal soft-start reduces inrush current
- Enable pin for power sequencing
- Thermal shutdown and current limit protection
- AEC-Q100 qualified for automotive applications
- Available in 8-SO-POWERPAD package for enhanced thermal performance
Target Applications
- Automotive infotainment systems (e.g., dashboard displays, head units)
- 5G base station power supplies
- Industrial control systems
- Telecommunications equipment
- Battery-powered devices
- Point-of-load regulation in distributed power systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM22674QMRE-5.0/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
LM22674QMRE-5.0/NOPB 是德州儀器(TI)推出的一款高性能降壓開關穩壓器,專為汽車和工業應用設計。它提供固定的5V輸出,最大負載電流1A,具有高效率及優異的線性/負載調節能力。器件採用8-SO-POWERPAD封裝,集成42V N溝道MOSFET,開關頻率為500 kHz。該器件符合AEC-Q100汽車可靠性標準。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
5V(固定) |
| 輸出電流 |
1A |
| 輸入電壓範圍 |
4.5V 至 42V |
| 開關頻率 |
500 kHz |
| 效率 |
高達90% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SO-POWERPAD |
| 靜態電流 |
2.5 mA |
| 使能引腳 |
有 |
| 軟啟動 |
內部 |
| 保護功能 |
熱關斷、限流、欠壓鎖定 |
核心特性
- 集成42V N溝道MOSFET
- 固定5V輸出,精度±2%
- 寬輸入電壓範圍:4.5V至42V
- 高效率,最高可達90%
- 500 kHz開關頻率,支持小型外部元件
- 內部軟啟動,減小浪湧電流
- 使能引腳,用於電源排序
- 熱關斷和限流保護
- 符合AEC-Q100汽車應用標準
- 採用8-SO-POWERPAD封裝,增強散熱性能
典型應用場景
- 汽車信息娛樂系統(如儀表盤顯示、主機)
- 5G基站電源
- 工業控制系統
- 電信設備
- 電池供電設備
- 分布式電源系統中的負載點穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM22674QMRE-5.0/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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