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Product Overview
The TPS54678RTER from Texas Instruments is a high-efficiency, synchronous step-down (buck) DC-DC converter capable of delivering up to 6A of continuous output current. It operates over a wide input voltage range of 4.5V to 17V, making it suitable for a variety of applications including point-of-load regulation in industrial, automotive, and telecom systems. The device integrates low RDS(on) MOSFETs and features a fixed switching frequency of 1.2MHz, enabling a compact solution with minimal external components. The 16-pin WQFN (3x3mm) package offers excellent thermal performance and space savings.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 17V |
| Output Voltage Range |
0.6V to 5.5V |
| Output Current |
6A |
| Switching Frequency |
1.2MHz (fixed) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +125°C |
| Package |
16-WQFN (3x3mm) |
Key Features
- Integrated 17mΩ and 10mΩ MOSFETs for high efficiency
- Adjustable soft-start to limit inrush current
- Power-good output for sequencing and fault indication
- Overcurrent, overvoltage, and thermal shutdown protection
- Precision enable pin with hysteresis
- Supports pre-biased output startup
Target Applications
- 5G base station power supplies
- Automotive infotainment and dashboard systems
- Industrial control and automation
- Telecom and networking equipment
- Point-of-load regulation for FPGAs and ASICs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS54678RTER. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
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
TPS54678RTER 是德州儀器 (TI) 推出的一款高效率、同步降壓 (buck) DC-DC 轉換器,能夠提供高達 6A 的連續輸出電流。它支援 4.5V 至 17V 的寬輸入電壓範圍,適用於工業、汽車和電信系統中的負載點穩壓。該器件整合了低導通電阻 (RDS(on)) 的 MOSFET,並具有 1.2MHz 的固定開關頻率,從而實現緊湊的解決方案和最少的外部元件。16 引腳 WQFN (3x3mm) 封裝提供了出色的熱性能和空間節省。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 17V |
| 輸出電壓範圍 |
0.6V 至 5.5V |
| 輸出電流 |
6A |
| 開關頻率 |
1.2MHz (固定) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
16-WQFN (3x3mm) |
核心特性
- 整合 17mΩ 和 10mΩ MOSFET,實現高效率
- 可調軟啟動,限制浪湧電流
- 電源正常輸出,用於排序和故障指示
- 過流、過壓和熱關斷保護
- 帶滯回的精密使能引腳
- 支援預偏置輸出啟動
典型應用場景
- 5G 基站電源
- 汽車資訊娛樂和儀表板系統
- 工業控制和自動化
- 電信和網路設備
- FPGA 和 ASIC 的負載點穩壓
環球供應鏈與批發合作夥伴方案
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