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Product Overview
The LP3952RL/NOPB is a high-performance LED driver from Texas Instruments, designed for portable and backlight applications. It integrates a boost converter with a 1.5A switch current limit and operates at a fixed 2MHz switching frequency, enabling small external components. The device supports up to 10 series LEDs with programmable current up to 30mA per LED. Its ultra-small 36-DSBGA (3.5x3.24mm) package makes it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 5.5V |
| Output Voltage Max |
40V |
| Switch Current Limit |
1.5A (typical) |
| Switching Frequency |
2MHz (fixed) |
| LED Current Accuracy |
±5% |
| Number of LEDs |
Up to 10 in series |
| Dimming Control |
PWM (100Hz-20kHz) |
| Protection Features |
OVP, OCP, Thermal Shutdown |
| Package |
36-DSBGA (3.5x3.24mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Integrated 1.5A switch boost converter
- 2MHz fixed switching frequency for small inductor and capacitor
- Programmable LED current up to 30mA per channel
- PWM dimming with high contrast ratio
- Overvoltage, overcurrent, and thermal protection
- Ultra-small 36-DSBGA package (3.5x3.24mm)
- Low quiescent current (1µA shutdown)
Target Applications
- Smartphone and tablet backlighting
- Portable media players
- GPS and handheld devices
- Digital cameras
- Automotive dashboard backlight
- 5G base station indicator LEDs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3952RL/NOPB. 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.
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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.
-
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
LP3952RL/NOPB 是德州儀器(TI)推出的一款高性能 LED 驅動器,專為便攜設備和背光應用設計。它集成了升壓轉換器,開關電流限制為 1.5A,並以固定 2MHz 開關頻率工作,從而實現小型外部元件。該器件支持最多 10 顆串聯 LED,每顆 LED 電流可編程至 30mA。其超小型 36-DSBGA(3.5x3.24mm)封裝非常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 5.5V |
| 最大輸出電壓 |
40V |
| 開關電流限制 |
1.5A(典型值) |
| 開關頻率 |
2MHz(固定) |
| LED 電流精度 |
±5% |
| LED 數量 |
最多 10 顆串聯 |
| 調光控制 |
PWM(100Hz-20kHz) |
| 保護功能 |
過壓、過流、熱關斷 |
| 封裝 |
36-DSBGA(3.5x3.24mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 集成 1.5A 開關升壓轉換器
- 2MHz 固定開關頻率,支持小型電感和電容
- 每通道 LED 電流可編程至 30mA
- PWM 調光,高對比度
- 過壓、過流和熱保護
- 超小型 36-DSBGA 封裝(3.5x3.24mm)
- 低靜態電流(關斷時 1µA)
典型應用場景
- 智能手機和平板電腦背光
- 便攜式媒體播放器
- GPS 和手持設備
- 數碼相機
- 汽車儀表板背光
- 5G 基站指示燈
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3952RL/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:
-
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。
-
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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Our team provides competitive wholesale pricing for LP3952RL/NOPB.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]