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Product Overview
The TPS51285ARUKR from Texas Instruments is a highly integrated DDR memory power solution designed to meet the demanding requirements of modern computing and communication systems. This device provides a complete power management solution for DDR2, DDR3, DDR3L, and DDR4 memory systems, delivering both VDDQ (termination voltage) and VTT (reference voltage) from a single 3.3V or 5V input supply. Housed in a compact 20-pin WQFN (3x3 mm) package, the TPS51285ARUKR offers high efficiency, low noise, and excellent transient response, making it ideal for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3.0V to 5.5V |
| VDDQ Output Voltage |
1.2V to 3.0V (adjustable) |
| VDDQ Output Current |
2A (continuous) |
| VTT Output Voltage |
0.6V to 1.5V (adjustable) |
| VTT Output Current |
2A (continuous) |
| Switching Frequency |
300kHz to 1.2MHz (adjustable) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-WQFN (3x3 mm) |
Key Features
- Integrated power MOSFETs for VDDQ and VTT rails
- Adjustable output voltages via external resistors
- High efficiency with low quiescent current
- Excellent line and load transient response
- Overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown
- Power-good indicator for each output
- Small footprint 3x3 mm WQFN package
Target Applications
- DDR memory power for 5G base stations (e.g., Nokia AirScale, Ericsson Radio System)
- Automotive infotainment and dashboard systems (e.g., Tesla Model 3 center display)
- Industrial PCs and embedded systems (e.g., Advantech IPC-610)
- Networking equipment (e.g., Cisco Catalyst 9000 switches)
- Consumer electronics (e.g., gaming consoles, set-top boxes)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS51285ARUKR. 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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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
TPS51285ARUKR 是德州儀器(TI)推出的一款高度集成的 DDR 記憶體電源解決方案,專為滿足現代計算和通信系統的嚴苛要求而設計。該器件可從單一 3.3V 或 5V 輸入電源為 DDR2、DDR3、DDR3L 和 DDR4 記憶體系統提供完整的電源管理,同時提供 VDDQ(端接電壓)和 VTT(參考電壓)。採用緊湊的 20 引腳 WQFN(3x3 mm)封裝,TPS51285ARUKR 具有高效率、低噪聲和出色的瞬態響應,非常適合空間受限的應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3.0V 至 5.5V |
| VDDQ 輸出電壓 |
1.2V 至 3.0V(可調) |
| VDDQ 輸出電流 |
2A(連續) |
| VTT 輸出電壓 |
0.6V 至 1.5V(可調) |
| VTT 輸出電流 |
2A(連續) |
| 開關頻率 |
300kHz 至 1.2MHz(可調) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-WQFN(3x3 mm) |
核心特性
- 集成 VDDQ 和 VTT 軌道的功率 MOSFET
- 通過外部電阻可調輸出電壓
- 高效率,低靜態電流
- 出色的線性和負載瞬態響應
- 過流保護(OCP)、過壓保護(OVP)和熱關斷
- 每個輸出均有電源良好指示
- 小尺寸 3x3 mm WQFN 封裝
典型應用場景
- 5G 基站 DDR 記憶體電源(例如 Nokia AirScale、Ericsson Radio System)
- 汽車信息娛樂和儀表板系統(例如 Tesla Model 3 中控顯示屏)
- 工業 PC 和嵌入式系統(例如 Advantech IPC-610)
- 網絡設備(例如 Cisco Catalyst 9000 交換機)
- 消費電子產品(例如遊戲主機、機頂盒)
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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