INA700
- Low loss integrated shunt resistor
- Internal resistance: 2 mΩ at T A = 25°C
- Current rating: ±15 A at T A = 25°C
- High-resolution, 16-bit delta-sigma ADC
- Wide common-mode range: –0.3 V to +40 V
- Reports current, bus voltage, power, internal temperature, energy, and charge
- Programmable conversion time and averaging
- Current monitoring accuracy:
- Total Measurement Error: ±0.5% at 5 A
- Offset current: ±1.5 mA (maximum)
- Gain error: ±0.5% (maximum at 5 A)
- Gain error drift: ±50 ppm/°C (maximum)
- Power monitoring accuracy:
- 0.85% accuracy at 5 A
- Energy and Charge accuracy:
- 1.35% accuracy at 5 A
- Internal monitoring and fault detection
- Precision oscillator: ±0.5% (maximum)
- 2.94-MHz High-Speed I 2C interface with 4 pin-selectable addresses
- Operates from a 2.7-V to 5.5-V supply
- Operational current: 640 µA (typical)
- Shutdown current: 5 µA (maximum)
The INA700 is a digital power monitor with an integrated shunt resistor along with a 16-bit delta-sigma ADC specifically designed for current sensing applications. The device can measure full-scale currents up to ±15.728 A, over the common-mode voltage range of –0.3 V to +40 V.
The INA700 reports current, bus voltage, die temperature, power, energy and charge accumulation with a precision ±0.5% integrated oscillator, all while performing the needed calculations in the background. The integrated temperature sensor is ±3°C accurate over the junction temperature range.
The low offset and gain error drift of the INA700 allows use in systems that do not undergo temperature calibration during manufacturing.
The device features selectable ADC conversion times from 50 µs to 4.12 ms as well as sample averaging from 1x to 1024x, which further helps reduce the noise of the measured data and allows for optimization of overcurrent detection windows.
The device is available in a tiny PowerWCSP (DSBGA) package to minimize the solution size and maximize thermal performance.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | INA700 40 V, 16-Bit, I2C Output Digital Power Monitor in WCSP with 2 mΩ EZShunt Technology datasheet (Rev. A) | PDF | HTML | 2023年 9月 14日 |
Application note | How EZShunt Technology Simplifies and Reduces Error in Shunt-Based Designs | PDF | HTML | 2024年 6月 27日 | |
Technical article | Bringing design simplicity, low drift, and small size to integrated-shunt solutions | PDF | HTML | 2024年 1月 4日 | |
Application brief | Current Sensing Applications in Communication Infrastructure Equipment (Rev. C) | PDF | HTML | 2023年 8月 8日 | |
Application brief | Improving Power Amplifier Efficiency With Current Monitors (Rev. B) | PDF | HTML | 2023年 7月 24日 | |
Product overview | INA700 Product Overview | PDF | HTML | 2023年 5月 23日 | |
User guide | INA700EVM User's Guide | PDF | HTML | 2023年 4月 20日 | |
Certificate | INA700EVM EU RoHS Declaration of Conformity (DoC) | 2023年 3月 23日 |
設計與開發
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INA700EVM — 適用於具有內建分流電阻器之 EZShunt™ 數位電源監控器的 INA700 評估模組
INA700EVM 評估模組 (EVM) 是一款精巧的平台,在指定輸入電流、共模電壓與溫度範圍下運用 EZShunt™ 技術,評估 INA700 高精密度數位電源監控器的主要功能與性能。對性能評估的儀器需求極低,且產品配備內部分流器,可快速縮短建立原型時間。需要能夠驅動所需輸入電流與共模電壓的輸入來源。EVM 電源供應器和透過 GUI 的數位輸入輸出操作均由 TI-SCB (另售) 處理。直覺式 GUI 可簡化產品配置,讓使用者能夠快速熟悉 INA700 產品的操作。
ANALOG-ENGINEER-CALC — PC software analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
支援產品和硬體
產品
精密度運算放大器 (Vos<1mV)
一般用途運算放大器
音訊運算放大器
轉阻放大器
高速運算放大器 (GBW ≥ 50 MHz)
功率運算放大器
視訊放大器
線路驅動器
轉導放大器與雷射驅動器
全差分放大器
精確 ADC
生物感測 AFE
高速 ADC (≥10 MSPS)
接收器
觸控式螢幕控制器
差分放大器
儀器放大器
音訊線路接收器
類比電流感測放大器
數位電源監測器
配備整合式分流電阻器的類比電流感測放大器
具整合式分流電阻器的數位電源監測器
晶粒與晶圓服務
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
TINA-TI — 基於 SPICE 的類比模擬程式
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
POWERWCSP (YWF) | 8 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點