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Product Overview
The TPS929120QPWPRQ1 is a high-performance 12-channel LED driver from Texas Instruments, designed for automotive exterior lighting applications. It integrates a FlexWire interface for daisy-chain communication, enabling synchronized control of multiple LEDs with minimal wiring. The device operates from a 4.5V to 40V supply, making it suitable for 12V and 24V automotive systems. Each channel can sink up to 75 mA, with 8-bit PWM dimming for precise brightness control. The package is a 24-pin HTSSOP with PowerPAD for enhanced thermal performance.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
12 |
| Output Current per Channel |
Up to 75 mA |
| Supply Voltage Range |
4.5 V to 40 V |
| Interface |
FlexWire (UART-based, daisy-chain) |
| PWM Dimming Resolution |
8-bit (256 steps) |
| Diagnostics |
Open/Short LED detection, thermal shutdown |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-HTSSOP (PowerPAD) |
Key Features
- 12-channel constant-current LED driver with FlexWire interface
- Wide input voltage range: 4.5 V to 40 V
- Individual channel PWM dimming with 8-bit resolution
- Integrated diagnostics for fault detection (open/short LED)
- Thermal shutdown protection
- AEC-Q100 qualified for automotive applications
- Low quiescent current in standby mode
Target Applications
- Automotive exterior lighting: headlights, taillights, turn signals, daytime running lights (DRL)
- Interior ambient lighting: dashboard backlighting, dome lights
- Industrial LED signage and display backlighting
- 5G base station status indicators
- Agricultural vehicle lighting (tractors, harvesters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS929120QPWPRQ1. 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
TPS929120QPWPRQ1 是德州儀器 (TI) 推出的一款高性能 12 通道 LED 驅動器,專為汽車外部照明應用設計。它整合了 FlexWire 接口,支援菊花鏈通信,可用最少線纜實現多個 LED 的同步控制。該器件可在 4.5V 至 40V 電源電壓範圍內工作,適用於 12V 和 24V 汽車系統。每個通道可提供高達 75 mA 的恆定電流,並支援 8 位 PWM 調光以實現精確亮度控制。封裝為 24 引腳 HTSSOP,帶有 PowerPAD 以增強散熱性能。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
12 |
| 每通道輸出電流 |
最高 75 mA |
| 電源電壓範圍 |
4.5 V 至 40 V |
| 接口 |
FlexWire (基於 UART,菊花鏈) |
| PWM 調光解析度 |
8 位 (256 級) |
| 診斷功能 |
LED 開路/短路檢測,熱關斷 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-HTSSOP (PowerPAD) |
核心特性
- 12 通道恆流 LED 驅動器,帶 FlexWire 接口
- 寬輸入電壓範圍:4.5 V 至 40 V
- 獨立通道 PWM 調光,8 位解析度
- 集成診斷功能,用於故障檢測 (開路/短路 LED)
- 熱關斷保護
- 通過 AEC-Q100 認證,適用於汽車應用
- 待機模式下低靜態電流
典型應用場景
- 汽車外部照明:前照燈、尾燈、轉向燈、日間行車燈 (DRL)
- 內部環境照明:儀表板背光、頂燈
- 工業 LED 標誌和顯示背光
- 5G 基站狀態指示燈
- 農用車輛照明 (拖拉機、收割機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS929120QPWPRQ1 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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