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Product Overview
The LM3538TME/NOPB is a high-efficiency, programmable LED driver from Texas Instruments, designed for backlighting and general illumination applications. It features an integrated boost converter and 8 current sinks, each capable of driving up to 30mA. The device operates from a 2.5V to 5.5V input supply and supports PWM dimming for precise brightness control. Packaged in a compact 30-DSBGA (2.2mm x 2.5mm), it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Output Current per Channel |
Up to 30mA |
| Number of Channels |
8 |
| Switching Frequency |
1MHz (typical) |
| Dimming Control |
PWM (up to 20kHz) |
| Efficiency |
Up to 90% |
| Package |
30-DSBGA (2.2mm x 2.5mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Integrated boost converter with 1MHz switching frequency
- 8 programmable current sinks with 30mA max per channel
- PWM dimming with 256-step resolution
- Low quiescent current (0.5µA in shutdown)
- Over-voltage and over-temperature protection
- I2C-compatible interface for control
Target Applications
- Smartphone and tablet LCD backlighting
- Automotive dashboard displays
- Portable medical devices
- 5G base station indicator LEDs
- Industrial control panel lighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3538TME/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.
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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
LM3538TME/NOPB 是德州儀器推出的一款高效能、可編程 LED 驅動器,專為背光照明和一般照明應用設計。它整合了升壓轉換器和 8 個電流沉,每個通道最高可驅動 30mA。該器件可在 2.5V 至 5.5V 的輸入電源下工作,並支援 PWM 調光以實現精確的亮度控制。採用緊湊的 30-DSBGA(2.2mm x 2.5mm)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 |
2.5V 至 5.5V |
| 每通道輸出電流 |
最高 30mA |
| 通道數 |
8 |
| 開關頻率 |
1MHz(典型值) |
| 調光控制 |
PWM(最高 20kHz) |
| 效率 |
最高 90% |
| 封裝 |
30-DSBGA(2.2mm x 2.5mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 整合升壓轉換器,開關頻率 1MHz
- 8 個可編程電流沉,每通道最高 30mA
- PWM 調光,256 級解析度
- 低靜態電流(關斷時 0.5µA)
- 過壓和過溫保護
- I2C 相容介面進行控制
典型應用場景
- 智慧手機和平板電腦 LCD 背光
- 汽車儀表板顯示
- 可攜式醫療設備
- 5G 基地台指示燈
- 工業控制面板照明
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3538TME/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。
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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
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]