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Product Overview
The TPS61305YFFT from Texas Instruments is a high-efficiency, synchronous boost converter with an integrated 1.5A switch, designed to drive up to 10 series white LEDs. It operates from a single Li-Ion cell or standard 3.3V/5V rails, delivering up to 38V output. The device features a 2.5V to 5.5V input range and a fixed 1.2MHz switching frequency, enabling small external components. The TPS61305YFFT is available in a compact 20-pin DSBGA package (2.0mm x 1.5mm).
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Output Voltage (Max) |
38V |
| Switch Current Limit |
1.5A (typical) |
| Switching Frequency |
1.2MHz (fixed) |
| Number of LEDs |
Up to 10 series |
| Efficiency |
Up to 85% |
| Package |
20-DSBGA (2.0mm x 1.5mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Integrated 1.5A switch with overcurrent protection
- True shutdown isolation (output disconnected from input)
- PWM dimming control via EN pin
- Overvoltage protection (OVP) at 38V
- Thermal shutdown
- Small solution size with minimal external components
Target Applications
- Smartphone and tablet display backlighting (e.g., iPhone 14, Samsung Galaxy S23)
- Automotive dashboard and infotainment displays (e.g., Tesla Model 3 center display)
- 5G base station indicator LEDs (e.g., Huawei 5G AAU)
- Portable medical devices (e.g., finger pulse oximeter displays)
- Industrial control panel backlighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS61305YFFT. 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.
-
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
TPS61305YFFT 是德州儀器推出的一款高效同步升壓轉換器,內置 1.5A 開關,可驅動多達 10 顆串聯白光 LED。它支持單節鋰離子電池或標準 3.3V/5V 電源軌,輸出電壓高達 38V。器件具有 2.5V 至 5.5V 的輸入電壓範圍和固定的 1.2MHz 開關頻率,可實現小型外部元件。TPS61305YFFT 採用緊湊的 20 引腳 DSBGA 封裝(2.0mm x 1.5mm)。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 最大輸出電壓 |
38V |
| 開關電流限制 |
1.5A(典型值) |
| 開關頻率 |
1.2MHz(固定) |
| LED 數量 |
最多 10 顆串聯 |
| 效率 |
高達 85% |
| 封裝 |
20-DSBGA(2.0mm x 1.5mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 內置 1.5A 開關,帶過流保護
- 真正關斷隔離(輸出與輸入斷開)
- 通過 EN 引腳實現 PWM 調光控制
- 38V 過壓保護(OVP)
- 熱關斷保護
- 小型化解決方案,外部元件少
典型應用場景
- 智能手機和平板電腦顯示屏背光(例如 iPhone 14、Samsung Galaxy S23)
- 汽車儀表盤和信息娛樂顯示屏(例如 Tesla Model 3 中控屏)
- 5G 基站指示燈(例如華為 5G AAU)
- 便攜式醫療設備(例如手指脈搏血氧儀顯示屏)
- 工業控制面板背光
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS61305YFFT 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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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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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。
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