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INA219BIDCNR
+Lista de MateriaisIC MONITOR PWR/CURR BID SOT23-8
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FabricanteTexas Instruments
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Peça do Fabricante #INA219BIDCNR
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Pacote SOT-23-8
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Em Estoque3719
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
Visão Geral
Description
Key Features:
- Current Sensing: Measures small differential voltages and converts them into high-resolution digital values.
- I2C Interface: Communicates with microcontrollers via a standard I2C interface for easy integration.
- Wide Operating Voltage: Operates over a voltage range from 0 to 26 volts, allowing for versatile use in various applications.
- High Accuracy: Provides accurate measurements with a 12-bit resolution, ensuring precise current and voltage readings.
- Low Power Consumption: Designed for energy-efficient operation, making it suitable for battery-powered devices.
The INA219BIDCNR supports high-side or low-side sensing, enhancing flexibility in circuit design. Its compact size and robust performance make it a popular choice for engineers and developers looking to implement power monitoring solutions efficiently.
Equivalent
1. Maxim Integrated MAX471/MAX472: Current sense amplifiers with voltage output.
2. Analog Devices AD8210: High common-mode voltage, current shunt monitor.
3. Linear Technology (Analog Devices) LTC4150: Coulomb counter/battery gas gauge.
4. Microchip Technology MCP3421: 18-bit ADC with current sensing applications.
Always confirm specifications match your requirements before substituting.
Features
1. Current Measurement: Measures current by sensing the voltage across a shunt resistor.
2. Power Monitoring: Calculates power consumption using the measured current and bus voltage.
3. Voltage Measurement: Monitors bus voltage up to 26V.
4. Resolution: High precision with a programmable resolution of up to 12 bits.
5. I2C Interface: Supports communication with a microcontroller via a standard I2C interface, allowing address configuration for multiple devices on the same bus.
6. Programmable Calibration: Allows calibration to match specific shunt resistor values.
7. Low Power Consumption: Draws minimal current, making it suitable for battery-powered applications.
8. Wide Operating Temperature: Operates over a wide temperature range, ideal for various environments.
9. Small Package: Available in a compact SOT-23 package, facilitating easy integration into space-constrained designs.
These features make the INA219BIDCNR suitable for applications requiring precise power management and monitoring, such as power supplies, battery chargers, and energy metering systems.
Pinout
Pin Count and Functions:
1. VCC (Supply Voltage): Powers the device.
2. GND (Ground): The ground reference for the device.
3. SDA (Serial Data): I2C data line for communication.
4. SCL (Serial Clock): I2C clock line for synchronization.
5. A0, A1 (Address Pins): Used to set the I2C address for the device, allowing multiple devices on the same bus.
6. VIN+ (Input Voltage Positive): Connects to the load side for voltage measurement.
7. VIN- (Input Voltage Negative): Connects to the bus side, typically ground-referenced.
8. SHUNT+ (Shunt Resistor Positive): Connects to one side of an external shunt resistor for current measurement.
9. SHUNT- (Shunt Resistor Negative): Connects to the other side of the shunt resistor.
These functions enable the INA219BIDCNR to monitor current, voltage, and power over an I2C interface.
Manufacturer
Application
1. Battery Management: Monitors battery charge and discharge currents in devices like laptops and smartphones.
2. Power Supply Systems: Tracks power consumption and efficiencies in power distribution units.
3. DC Motor Control: Measures power usage in motor-driven systems.
4. Photovoltaic Systems: Assesses solar panel output and performance.
5. Embedded Systems: Provides energy monitoring in IoT devices and microcontroller projects.
6. Industrial Automation: Used in monitoring machinery power usage to improve efficiency.
Its versatility in measuring both current and voltage makes it valuable for optimizing power efficiency in various electronic circuits.