INA209
- SENSES BUS VOLTAGES FROM 0V TO +26V
- REPORTS CURRENT, VOLTAGE, AND POWER; STORES PEAKS
- TRIPLE WATCHDOG LIMITS:
- Lower Warning with Delay
- Upper Over-limit, No Delay
- Fast Analog Critical
- HIGH ACCURACY: 1% MAX OVER TEMP
- APPLICATIONS
- SERVERS
- TELECOM EQUIPMENT
- AUTOMOTIVE
- POWER MANAGEMENT
- BATTERY CHARGERS
- WELDING EQUIPMENT
- POWER SUPPLIES
- TEST EQUIPMENT
I2C is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.
The INA209 is a high-side current shunt and power monitor with an I2C interface. The INA209 monitors both shunt drop and shunt bus voltage. A programmable calibration value, combined with an internal multiplier, enables direct readouts in amperes. An additional multiplying register calculates power in watts. The INA209 features two separate, onboard watchdog capabilities: a warning comparator and an over-limit comparator. The warning comparator is useful for monitoring lower warning limits and incorporates a user-defined delay. The over-limit comparator assists with monitoring upper limits that could require immediate system shutdown.
The INA209 also includes an analog comparator and a programmable digital-to-analog converter (DAC) that combine to provide the fastest possible responses to current overload conditions.
The INA209 can be used together with hot swap controllers that already use a current sense resistor. The INA209 full-scale range can be selected to be either within the hot-swap controller sense limits, or wide enough to include them.
The INA209 senses across shunts on buses that can vary from 0V to 26V. The device uses a single +3V to +5.5V supply, drawing a maximum of 1.5mA of supply current. It is specified for operation from -25°C to +85°C.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | High-Side Measurement, Bi-Directional Current/Power Monitor with I2C Interface datasheet (Rev. B) | 2009年 3月 27日 | |
Application note | Using a PCB Copper Trace as a Current-Sense Shunt Resistor | PDF | HTML | 2022年 1月 25日 | |
Application brief | Measuring Current for Handle Multiple Out-of-Range Conditions (Rev. C) | PDF | HTML | 2021年 10月 4日 | |
Application note | Digital Interfaces for Current Sensing Devices (Rev. A) | PDF | HTML | 2021年 9月 30日 | |
Application brief | Integrated, Current Sensing Analog-to-Digital Converter (Rev. A) | PDF | HTML | 2021年 9月 28日 | |
Application note | Getting Started with Digital Power Monitors (Rev. A) | PDF | HTML | 2021年 9月 2日 | |
EVM User's guide | INA209EVM User's Guide (Rev. B) | 2016年 5月 18日 | ||
Application note | Understanding the I2C Bus | PDF | HTML | 2015年 6月 30日 | |
User guide | USB DIG Platform User's Guide (Rev. A) | 2010年 2月 14日 | ||
More literature | INA209EVM Quick-Start Guide (Video) (Rev. A) | 2008年 4月 17日 |
設計與開發
如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。
INA209SW-LINUX — 適用於 INA209 的 Linux 驅動程式
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
- ina209
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
CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool
支援產品和硬體
產品
類比電流感測放大器
數位電源監測器
SBOR021 — Power Monitor Tool
支援產品和硬體
產品
數位電源監測器
具整合式分流電阻器的數位電源監測器
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 |
---|---|---|
TSSOP (PW) | 16 | 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