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Product Overview
The TPS92518PWPT from Texas Instruments is a dual-channel, high-current LED driver designed for automotive and industrial lighting applications. It integrates two independent buck converters capable of delivering up to 1.5 A per channel with an input voltage range of 2 V to 60 V. The device features high-side current sensing, spread spectrum frequency modulation for EMI reduction, and a flexible PWM dimming interface. Housed in a compact 24-HTSSOP package, the TPS92518PWPT offers a space-saving solution for driving multiple LED strings with high efficiency and reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2 V to 60 V |
| Output Current per Channel |
Up to 1.5 A |
| Number of Channels |
2 |
| Switching Frequency |
200 kHz to 2.2 MHz |
| Dimming Method |
PWM (up to 20 kHz) |
| Current Accuracy |
±3% |
| Protection Features |
LED open/short, thermal shutdown, cycle-by-cycle current limit |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-HTSSOP |
Key Features
- Dual-channel independent buck LED driver
- Wide input voltage range: 2 V to 60 V
- High output current: up to 1.5 A per channel
- High-side current sensing for accurate regulation
- Spread spectrum frequency modulation for low EMI
- Flexible PWM dimming with up to 20 kHz frequency
- Comprehensive fault protection: LED open/short, thermal shutdown, current limit
- Compact 24-HTSSOP package for space-constrained designs
Target Applications
- Automotive exterior lighting: headlights, daytime running lights (DRLs), turn signals, fog lights
- Automotive interior lighting: dashboard backlighting, ambient lighting, dome lights
- Industrial lighting: LED streetlights, high-bay lights, tunnel lights
- 5G base station indicator lights and status LEDs
- General-purpose constant current LED drivers for high-brightness LEDs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS92518PWPT. 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
TPS92518PWPT 是德州儀器 (TI) 推出的一款雙通道、大電流 LED 驅動器,專為汽車和工業照明應用設計。它集成了兩個獨立的降壓轉換器,每個通道可提供高達 1.5 A 的輸出電流,輸入電壓範圍為 2 V 至 60 V。該器件具有高端電流檢測、用於降低 EMI 的展頻調製以及靈活的 PWM 調光接口。採用緊湊的 24-HTSSOP 封裝,TPS92518PWPT 為驅動多個 LED 燈串提供了節省空間的高效可靠解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2 V 至 60 V |
| 每通道輸出電流 |
高達 1.5 A |
| 通道數 |
2 |
| 開關頻率 |
200 kHz 至 2.2 MHz |
| 調光方式 |
PWM(最高 20 kHz) |
| 電流精度 |
±3% |
| 保護功能 |
LED 開路/短路、熱關斷、逐週期電流限制 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-HTSSOP |
核心特性
- 雙通道獨立降壓 LED 驅動器
- 寬輸入電壓範圍:2 V 至 60 V
- 高輸出電流:每通道高達 1.5 A
- 高端電流檢測,實現精確調節
- 展頻調製,降低 EMI
- 靈活的 PWM 調光,頻率高達 20 kHz
- 全面的故障保護:LED 開路/短路、熱關斷、電流限制
- 緊湊的 24-HTSSOP 封裝,適合空間受限的設計
典型應用場景
- 汽車外部照明:前照燈、日間行車燈 (DRL)、轉向燈、霧燈
- 汽車內部照明:儀表板背光、環境照明、頂燈
- 工業照明:LED 路燈、工礦燈、隧道燈
- 5G 基站指示燈和狀態 LED
- 通用恆流 LED 驅動器,適用於高亮度 LED
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS92518PWPT 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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