🧪 SAMPLE SUPPORT
✅ 100% Original & Traceable
🚀 Inquiry Today, Ship Today
🛡️ Escrow.com Secured Payment
Product Overview
The TPS259474LRPWR from Texas Instruments is a high-performance eFuse power management IC designed for robust overcurrent and overvoltage protection. Housed in a compact 10-VQFN-HR (2x2 mm) package, it integrates a 4A rated power switch with adjustable current limit, output voltage clamping, and thermal shutdown. This device operates over a wide input voltage range of 2.7V to 18V, making it suitable for a variety of applications requiring reliable circuit protection.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 18V |
| Continuous Current |
4A |
| Current Limit Accuracy |
±15% at 4A |
| On-Resistance (RDS(on)) |
28 mΩ (typical) |
| Output Voltage Clamp |
Adjustable via external resistor |
| Overvoltage Protection |
Fixed 18.5V (typical) |
| Thermal Shutdown |
Yes, 150°C (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
10-VQFN-HR (2x2 mm) |
Key Features
- Integrated 4A power switch with low on-resistance (28 mΩ)
- Adjustable current limit with ±15% accuracy
- Adjustable output voltage clamp for overvoltage protection
- Fixed overvoltage lockout (OVLO) at 18.5V
- Thermal shutdown with hysteresis
- Reverse current blocking when disabled
- Fast transient response
- Small 10-VQFN-HR package for space-constrained designs
Target Applications
- 5G base station power distribution
- Automotive dashboard and infotainment systems
- Industrial control systems (PLCs, sensors)
- Portable electronics (laptops, tablets)
- Network switches and routers
- Solid-state drives (SSDs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS259474LRPWR. 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
TPS259474LRPWR 是德州儀器推出的一款高性能電子保險絲電源管理 IC,專為過流和過壓保護而設計。該器件採用緊湊的 10-VQFN-HR(2x2 mm)封裝,集成了額定電流為 4A 的功率開關,具有可調節的電流限制、輸出電壓鉗位和熱關斷功能。其工作輸入電壓範圍為 2.7V 至 18V,適用於需要可靠電路保護的多種應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 18V |
| 連續電流 |
4A |
| 電流限制精度 |
±15%(4A 時) |
| 導通電阻(RDS(on)) |
28 mΩ(典型值) |
| 輸出電壓鉗位 |
通過外部電阻可調 |
| 過壓保護 |
固定 18.5V(典型值) |
| 熱關斷 |
有,150°C(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
10-VQFN-HR(2x2 mm) |
核心特性
- 集成 4A 功率開關,低導通電阻(28 mΩ)
- 可調節電流限制,精度 ±15%
- 可調節輸出電壓鉗位,實現過壓保護
- 固定過壓鎖定(OVLO)電壓 18.5V
- 帶滯回的熱關斷
- 禁用時反向電流阻斷
- 快速瞬態響應
- 小型 10-VQFN-HR 封裝,適合空間受限的設計
典型應用場景
- 5G 基站電源分配
- 汽車儀表盤和信息娛樂系統
- 工業控制系統(PLC、傳感器)
- 便攜式電子設備(筆記本電腦、平板電腦)
- 網絡交換機和路由器
- 固態硬盤(SSD)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS259474LRPWR 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:
LM5071MT-50/NOPB | LM2670S-3.3/NOPB | TPS628130AQWRWYRQ1 | LM53601MQDSXTQ1 | LMR36503R5RPER | LM3677LEE-1.8/NOPB
獲取報價或技術手冊 / Need Batch Quote or Datasheet?
Our team provides competitive wholesale pricing for TPS259474LRPWR.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]