INA209 - 26V、双向、低侧/高侧、I2C 输出电流/功率监控器和高速比较器

INA209是TI德州仪器公司的一款电流分流比较器产品，INA209是26V、双向、低侧/高侧、I2C 输出电流/功率监控器和高速比较器，本站介绍了INA209的封装应用图解、特点和优点、功能等，并给出了与INA209相关的TI元器件型号供参考。

INA209 - 26V、双向、低侧/高侧、I2C 输出电流/功率监控器和高速比较器 - 电流分流比较器 - 电流感应放大器 - 德州仪器

产品描述

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.

产品特性

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.

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