INA219BIDCNT

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INA219BIDCNT

IC CURRENT MONITOR 0.5% SOT23-8

  • Nhà sản xuấtTexas Instruments
  • Ông. Phần #INA219BIDCNT
  • Gói
  • Bảng dữ liệu
  • Có sẵn7017

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Series Zero-Drift
Part Status Active
Function Current Monitor
Sensing Method High-Side
Accuracy ±0.5%
Voltage - Input 0V ~ 26V
Current - Output 10mA
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case SOT-23-8
Supplier Device Package SOT-23-8
Base Product Number INA219

Tổng quan

Description

The INA219BIDCNT is a high-side current sensing amplifier used to monitor power consumption in various applications. It integrates a precision analog-to-digital converter (ADC) to measure voltage, current, and power over a wide range of input conditions. The device operates on a supply voltage of 3V to 5.5V and communicates via the I2C interface, allowing easy integration with microcontrollers and embedded systems.
Key features include a programmable gain amplifier, a wide common mode voltage range, and a shunt voltage measurement capability of up to 320 mV. The INA219BIDCNT provides accurate readings of both current (up to 3.2A) and power calculations in Watt, making it suitable for battery management systems, power monitoring applications, and energy harvesting systems.
Its compact size, combined with low power consumption and high accuracy, makes the INA219BIDCNT an ideal choice for IoT devices and other modern electronics that require efficient power monitoring.

Features

The INA219BIDCNT is a high-side current shunt monitor with I2C interface, designed for power monitoring in various applications. Key features include:
1. Current Measurement: Measures shunt voltage across a current sense resistor, enabling accurate current measurement.
2. Voltage Measurement: Monitors bus voltage up to 26V.
3. Programmable Gain: Selectable gain settings (1, 2, 4, 8) for flexible measurement ranges.
4. High Accuracy: Offers low offset voltage and high precision, ensuring reliable readings.
5. I2C Communication: Supports I2C interface for easy integration with microcontrollers and digital systems.
6. Power Calculation: Computes power (current × voltage) to facilitate power management.
7. Alert Functionality: Features programmable alerts for overcurrent and overvoltage conditions.
8. Low Power Consumption: Designed for low power applications, making it suitable for battery-operated devices.
These features make the INA219BIDCNT ideal for applications in battery monitoring, power management, and industrial automation.

Package

The INA219BIDCNT is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The INA219BIDCNT is a current shunt and power monitor with a total of 8 pins. The pin configuration and their functions are as follows:
1. V+ (Pin 1): Positive input for the shunt voltage.
2. V- (Pin 2): Negative input for the shunt voltage.
3. GND (Pin 3): Ground reference.
4. SDA (Pin 4): I²C data line for communication.
5. SCL (Pin 5): I²C clock line for communication.
6. ALERT (Pin 6): Alert output pin for signaling thresholds.
7. VCC (Pin 7): Power supply input.
8. NC (Pin 8): Not connected, typically unassigned.
The INA219BIDCNT is designed to measure current, voltage, and power, providing digital output via I²C, making it suitable for various applications in power monitoring and management.

Manufacturer

The INA219BIDCNT is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of analog and embedded processing chips used in various applications, including industrial, automotive, communications, and consumer electronics. The company is known for its innovation in analog technology and power management solutions, providing components that enhance the performance and efficiency of electronic devices. TI is also recognized for its commitment to quality and technical support, making it a trusted partner in the electronics industry.

Application

The INA219BIDCNT is primarily used in power monitoring applications. Its key application areas include battery management systems, power supply monitoring, energy harvesting systems, and renewable energy systems (like solar panels). It helps in measuring voltage, current, and power consumption in various electronic devices, enabling efficient energy management and optimization in both industrial and consumer electronics.

Equivalent

Equivalent products to the INA219BIDCNT chip include the INA226, INA228, and INA210, which are also high-side current shunt monitors with I2C interfaces. Other alternatives may include the LTC2941 and MAX4725, although they may differ in specifications. Always check datasheets for specific features and compatibility.

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