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Product Overview
The TPS923654MDMTR from Texas Instruments is a high-performance, synchronous buck LED driver designed for high-brightness lighting applications. It operates from an input voltage range of 4.5V to 65V, making it suitable for automotive and industrial systems. The device delivers up to 1.5A of constant current to drive LEDs with excellent accuracy and efficiency. Integrated features include PWM dimming, fault protection, and a small 14-VSON (4.5mm x 3mm) package for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 65V |
| Output Current |
Up to 1.5A |
| Switching Frequency |
200kHz to 2.2MHz |
| Dimming Method |
PWM (up to 20kHz) |
| Efficiency |
Up to 95% |
| Protection Features |
OVP, OCP, OTP, UVLO |
| Operating Temperature |
-40°C to +125°C |
| Package |
14-VSON (4.5mm x 3mm) |
Key Features
- Wide input voltage range (4.5V to 65V) for automotive and industrial applications
- High efficiency up to 95% reduces power loss
- Integrated 1.5A MOSFET for compact design
- PWM dimming with high frequency for flicker-free operation
- Comprehensive protection: overvoltage, overcurrent, overtemperature, and undervoltage lockout
- Small 14-VSON package saves board space
Target Applications
- Automotive exterior lighting: headlights, daytime running lights (DRLs), taillights
- Industrial lighting: LED streetlights, high-bay lights, tunnel lights
- 5G base station power management: LED indicators and backlighting
- Dashboard backlighting in automotive infotainment systems
- General-purpose constant current LED drivers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS923654MDMTR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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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
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with full quality assurance and traceability.
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be authentic with strict quality control.
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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
TPS923654MDMTR 是德州儀器(TI)推出的一款高性能同步降壓 LED 驅動器,專為高亮度照明應用設計。其輸入電壓範圍為 4.5V 至 65V,適用於汽車和工業系統。該器件可提供高達 1.5A 的恆定電流,以出色的精度和效率驅動 LED。集成功能包括 PWM 調光、故障保護以及緊湊的 14-VSON(4.5mm x 3mm)封裝,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 |
4.5V 至 65V |
| 輸出電流 |
高達 1.5A |
| 開關頻率 |
200kHz 至 2.2MHz |
| 調光方式 |
PWM(最高 20kHz) |
| 效率 |
高達 95% |
| 保護功能 |
過壓、過流、過溫、欠壓鎖定 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
14-VSON(4.5mm x 3mm) |
核心特性
- 寬輸入電壓範圍(4.5V 至 65V),適用於汽車和工業應用
- 高達 95% 的效率,降低功耗
- 集成 1.5A MOSFET,設計緊湊
- 高頻 PWM 調光,實現無閃爍操作
- 全面保護:過壓、過流、過溫和欠壓鎖定
- 小型 14-VSON 封裝,節省電路板空間
典型應用場景
- 汽車外部照明:前照燈、日間行車燈(DRL)、尾燈
- 工業照明:LED 路燈、工礦燈、隧道燈
- 5G 基站電源管理:LED 指示燈和背光
- 汽車信息娛樂系統的儀表板背光
- 通用恆流 LED 驅動器
環球供應鏈與批發合作夥伴方案
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