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Product Overview
The TPS923611LSDRLR from Texas Instruments is a high-performance, synchronous buck LED driver designed for driving high-brightness LEDs. It operates from an input voltage range of 4.5V to 40V and delivers up to 1.5A of continuous output current. The device features integrated power MOSFETs, a low quiescent current, and a wide dimming ratio, making it ideal for automotive and industrial lighting applications. The compact SOT-563 package enables space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 40V |
| Output Current |
Up to 1.5A |
| Switching Frequency |
2.2 MHz (typical) |
| Dimming Method |
PWM (up to 20 kHz) |
| Quiescent Current |
1.5 mA (typical) |
| Protection Features |
OCP, OVP, OTP, UVLO |
| Package |
SOT-563 (6-pin) |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Integrated 40V, 0.2Ω power MOSFETs
- High efficiency up to 95%
- PWM dimming with 1000:1 ratio
- Low quiescent current for battery-powered applications
- Cycle-by-cycle current limit and thermal shutdown
- Small SOT-563 package for compact designs
Target Applications
- Automotive exterior lighting (e.g., headlights, daytime running lights)
- Industrial LED lighting (e.g., high-bay lights, streetlights)
- 5G base station indicator lights
- Dashboard backlighting in vehicles
- Portable and battery-powered lighting
Global Supply Chain & Wholesale Solutions
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TPS923611LSDRLR. Our core advantages include:
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environmental and safety standards.
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and seals to ensure ESD protection and physical integrity.
產品概述
TPS923611LSDRLR 是德州儀器 (TI) 的一款高性能同步降壓 LED 驅動器,專為驅動高亮度 LED 設計。它支援 4.5V 至 40V 的輸入電壓範圍,並提供高達 1.5A 的連續輸出電流。該器件整合了功率 MOSFET、低靜態電流和寬調光比,非常適合汽車和工業照明應用。緊湊的 SOT-563 封裝適用於空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 40V |
| 輸出電流 |
高達 1.5A |
| 開關頻率 |
2.2 MHz (典型值) |
| 調光方式 |
PWM (最高 20 kHz) |
| 靜態電流 |
1.5 mA (典型值) |
| 保護功能 |
OCP, OVP, OTP, UVLO |
| 封裝 |
SOT-563 (6 引腳) |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 整合 40V、0.2Ω 功率 MOSFET
- 高效率,最高可達 95%
- PWM 調光,比例 1000:1
- 低靜態電流,適合電池供電應用
- 逐週期電流限制和熱關斷
- 小型 SOT-563 封裝,適合緊湊設計
典型應用場景
- 汽車外部照明 (例如頭燈、日行燈)
- 工業 LED 照明 (例如工礦燈、路燈)
- 5G 基站指示燈
- 車輛儀表板背光
- 便攜式和電池供電照明
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