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Product Overview
The INA219BIDCNT is a high-side current shunt and power monitor from Texas Instruments, featuring an I2C interface. It operates over a supply voltage range of 3V to 5.5V and can measure bus voltages up to 26V. The device provides digital current, voltage, and power readings with an accuracy of ±1% over the full temperature range. Housed in a compact SOT-23-8 package, it is ideal for precision power monitoring in space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (V) |
3.0 – 5.5 |
| Bus Voltage Range (V) |
0 – 26 |
| Current Sense Range (mV) |
±320 (shunt voltage) |
| Accuracy |
±1% (over temperature) |
| Interface |
I2C (up to 3.4 MHz) |
| Resolution |
12-bit ADC |
| Operating Temperature (°C) |
-40 to +125 |
| Package |
SOT-23-8 |
Key Features
- High-side current sensing up to 26V bus voltage
- I2C interface with 16 programmable addresses
- Low offset voltage: ±10 µV (max)
- Programmable conversion time and averaging
- Shutdown mode for low power consumption
- Small SOT-23-8 package for space-constrained designs
Target Applications
- 5G base station power management
- Automotive dashboard power monitoring
- Server and telecom power supplies
- Battery management systems (BMS)
- Portable and IoT devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
INA219BIDCNT. 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
INA219BIDCNT 是德州儀器(TI)的一款高側電流分流和功率監控器,採用 I2C 接口。它可在 3V 至 5.5V 的電源電壓範圍內工作,並可測量高達 26V 的匯流排電壓。該器件提供數位電流、電壓和功率讀數,在整個溫度範圍內精度為 ±1%。採用緊湊的 SOT-23-8 封裝,非常適合空間受限的精密功率監控應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (V) |
3.0 – 5.5 |
| 匯流排電壓範圍 (V) |
0 – 26 |
| 電流檢測範圍 (mV) |
±320 (分流電壓) |
| 精度 |
±1% (全溫度範圍) |
| 接口 |
I2C (最高 3.4 MHz) |
| 解析度 |
12 位 ADC |
| 工作溫度 (°C) |
-40 至 +125 |
| 封裝 |
SOT-23-8 |
核心特性
- 高側電流檢測,匯流排電壓高達 26V
- I2C 接口,支援 16 個可編程地址
- 低偏移電壓:最大 ±10 µV
- 可編程轉換時間和平均次數
- 關斷模式以降低功耗
- 小型 SOT-23-8 封裝,適合空間受限設計
典型應用場景
- 5G 基站電源管理
- 汽車儀表板功率監控
- 伺服器和電信電源
- 電池管理系統 (BMS)
- 可攜式和物聯網設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 INA219BIDCNT 提供全面的供應鏈與批發解決方案。
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