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Product Overview
The TPS61181ARTET from Texas Instruments is a high-efficiency, 4-channel LED driver designed for medium-sized LCD backlight applications. It integrates a boost converter with current sinks, supporting up to 38V output and 1.5A total LED current. The device operates from a 2.7V to 21V input supply, making it suitable for a wide range of battery-powered and industrial systems. Its compact 16-WQFN (3x3mm) package enables space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 21V |
| Output Voltage (Max) |
38V |
| Number of Channels |
4 |
| LED Current per Channel |
Up to 375mA |
| Total LED Current |
Up to 1.5A |
| Switching Frequency |
1.2MHz (typical) |
| Efficiency |
Up to 90% |
| Package |
16-WQFN (3x3mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Integrated 38V boost converter with 1.5A switch
- 4-channel current sinks with ±3% current matching
- PWM dimming interface for brightness control
- Built-in protection: OVP, OCP, OTP, UVLO
- Spread spectrum for EMI reduction
- I2C-compatible interface for flexible control
Target Applications
- Automotive dashboard displays (e.g., 7-inch cluster)
- 5G base station status panels
- Industrial HMI (Human-Machine Interface) screens
- Portable medical devices (e.g., patient monitor)
- Notebook and tablet LCD backlighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS61181ARTET. 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
TPS61181ARTET 是德州儀器推出的一款高效率、4通道LED驅動器,專為中型LCD背光應用設計。它集成了升壓轉換器和電流沉,支持高達38V輸出和1.5A總LED電流。該器件可在2.7V至21V輸入電源下工作,適用於多種電池供電和工業系統。其緊湊的16-WQFN(3x3mm)封裝適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 21V |
| 最大輸出電壓 |
38V |
| 通道數 |
4 |
| 每通道LED電流 |
最高375mA |
| 總LED電流 |
最高1.5A |
| 開關頻率 |
1.2MHz(典型) |
| 效率 |
高達90% |
| 封裝 |
16-WQFN(3x3mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 集成38V升壓轉換器,1.5A開關
- 4通道電流沉,±3%電流匹配
- PWM調光接口,實現亮度控制
- 內置保護:過壓、過流、過溫、欠壓鎖定
- 展頻技術降低EMI
- I2C兼容接口,靈活控制
典型應用場景
- 汽車儀表盤顯示(例如7英寸集群)
- 5G基站狀態面板
- 工業人機界面(HMI)屏幕
- 便攜醫療設備(例如病人監護儀)
- 筆記本和平板電腦LCD背光
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS61181ARTET 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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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