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Product Overview
The PCA9517DGKR from Texas Instruments is a dual bidirectional I²C bus and SMBus repeater designed for level translation between different voltage domains. It enables communication between devices operating at 1.8V, 2.5V, 3.3V, or 5V without additional components. Housed in a compact 8-VSSOP package, it supports hot insertion and provides bus buffering to extend the physical reach of I²C buses.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.3V to 5.5V |
| Number of Channels |
2 |
| Maximum Clock Frequency |
400 kHz |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-VSSOP |
| ESD Protection |
±8 kV (HBM) |
| Quiescent Current |
1.5 mA (typical) |
Key Features
- Bidirectional voltage level translation (1.8V, 2.5V, 3.3V, 5V)
- Supports standard (100 kHz) and fast (400 kHz) I²C modes
- Hot insertion capability with power-up glitch protection
- Low standby current (0.1 µA typical)
- Open-drain I²C I/O with 5.5V tolerance
- Small 8-VSSOP package for space-constrained designs
Target Applications
- 5G base station control boards (e.g., interfacing FPGA with temperature sensors)
- Automotive dashboard displays (e.g., connecting MCU to touch controller)
- Industrial PLC modules (e.g., bridging 3.3V sensor to 5V processor)
- Consumer electronics (e.g., smart speakers with mixed-voltage peripherals)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
PCA9517DGKR. 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
PCA9517DGKR 是德州儀器推出的雙向 I²C 匯流排及 SMBus 中繼器,專為不同電壓域之間的水平轉換而設計。它支援 1.8V、2.5V、3.3V 或 5V 設備之間的通信,無需額外元件。採用緊湊的 8-VSSOP 封裝,支援熱插拔,並提供匯流排緩衝以延長 I²C 匯流排的物理距離。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2.3V 至 5.5V |
| 通道數 |
2 |
| 最大時鐘頻率 |
400 kHz |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-VSSOP |
| ESD 保護 |
±8 kV (HBM) |
| 靜態電流 |
1.5 mA (典型值) |
核心特性
- 雙向電壓水平轉換 (1.8V、2.5V、3.3V、5V)
- 支援標準 (100 kHz) 和快速 (400 kHz) I²C 模式
- 熱插拔功能,帶上電毛刺保護
- 低待機電流 (典型值 0.1 µA)
- 開漏 I²C I/O,耐壓 5.5V
- 小型 8-VSSOP 封裝,適合空間受限設計
典型應用場景
- 5G 基站控制板 (例如 FPGA 與溫度感測器介面)
- 汽車儀表板顯示 (例如 MCU 連接觸控控制器)
- 工業 PLC 模組 (例如 3.3V 感測器橋接至 5V 處理器)
- 消費電子 (例如智慧音箱中混合電壓外設)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 PCA9517DGKR 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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