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Product Overview
The INA219BIDCNR from Texas Instruments is a high-side current shunt and power monitor with an I2C interface. It operates from a single 3V to 5.5V supply and can measure bus voltages up to 26V. The device features a precision delta-sigma ADC with programmable gain and resolution, enabling accurate current sensing across a wide dynamic range. The INA219BIDCNR is available in a compact SOT-23-8 package, making it ideal for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
3V to 5.5V |
| Bus Voltage Range |
0V to 26V |
| Current Sense Range |
±320mV (shunt voltage) |
| Accuracy |
±1% (typical) |
| Resolution |
12-bit ADC |
| Interface |
I2C (up to 3.4MHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-8 |
Key Features
- High-side current sensing with I2C interface
- Programmable ADC resolution (9, 10, 11, or 12 bits)
- Programmable gain (1, 2, 4, or 8)
- Continuous or triggered conversion modes
- Low offset voltage and drift
- Shutdown mode for power saving
- Small SOT-23-8 package
Target Applications
- 5G base station power monitoring
- Automotive dashboard current sensing
- Battery management systems
- Power supply and DC-DC converter monitoring
- Industrial automation and control
- Server and telecom equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
INA219BIDCNR. 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
INA219BIDCNR 是德州儀器(TI)的一款高側電流分流和功率監控器,具有 I2C 接口。它可在 3V 至 5.5V 的單電源下工作,並可測量高達 26V 的匯流排電壓。該器件配備精密 Δ-Σ ADC,具有可編程增益和分辨率,可在寬動態範圍內實現精確的電流檢測。INA219BIDCNR 採用緊湊的 SOT-23-8 封裝,非常適合空間受限的應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
3V 至 5.5V |
| 匯流排電壓範圍 |
0V 至 26V |
| 電流檢測範圍 |
±320mV(分流電壓) |
| 精度 |
±1%(典型值) |
| 分辨率 |
12位 ADC |
| 接口 |
I2C(最高 3.4MHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-8 |
核心特性
- 高側電流檢測,帶 I2C 接口
- 可編程 ADC 分辨率(9、10、11 或 12 位)
- 可編程增益(1、2、4 或 8)
- 連續或觸發轉換模式
- 低偏移電壓和漂移
- 關斷模式以節省功耗
- 小型 SOT-23-8 封裝
典型應用場景
- 5G 基站電源監控
- 汽車儀表板電流檢測
- 電池管理系統
- 電源和 DC-DC 轉換器監控
- 工業自動化和控制
- 服務器和電信設備
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