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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| Current-InputBias | 100 pA |
| Voltage-InputOffset | 1 mV |
| Current-Supply | 640µA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
概述
Description
The INA229AIDGSR is a high-precision, digital current and power monitor IC developed by Texas Instruments. It is designed to measure voltage, current, and power over a wide range, making it suitable for various applications such as server power supplies, telecommunications equipment, and industrial systems. Key features of the INA229 include high accuracy, low power consumption, and a wide common-mode voltage range.
The device operates with a supply voltage of 2.7V to 5.5V and can handle common-mode voltages from -0.3V to +85V, which provides flexibility in different electrical environments. It offers a programmable conversion time and averaging modes, allowing users to optimize the balance between speed and accuracy. The INA229 also includes integrated digital filtering to reduce the impact of noise on measurements.
Communication with the INA229 is facilitated via an I2C or SMBus-compatible interface, enabling easy integration with microcontrollers or other digital systems. Its compact package and robust feature set make it a versatile choice for precise power monitoring applications.
The device operates with a supply voltage of 2.7V to 5.5V and can handle common-mode voltages from -0.3V to +85V, which provides flexibility in different electrical environments. It offers a programmable conversion time and averaging modes, allowing users to optimize the balance between speed and accuracy. The INA229 also includes integrated digital filtering to reduce the impact of noise on measurements.
Communication with the INA229 is facilitated via an I2C or SMBus-compatible interface, enabling easy integration with microcontrollers or other digital systems. Its compact package and robust feature set make it a versatile choice for precise power monitoring applications.
Equivalent
The INA229AIDGSR is a high-precision current and power monitor. Equivalent products might include:
1. INA226: A current/power monitor with I2C interface.
2. INA228: Similar functionality with slight variations in specs.
3. LTC2945: A power and energy monitor with I2C interface.
4. MAX44284: A high-precision digital current sensor with SPI/I2C options.
These alternatives vary in features and specifications, so it's important to review their datasheets to ensure compatibility with your application.
1. INA226: A current/power monitor with I2C interface.
2. INA228: Similar functionality with slight variations in specs.
3. LTC2945: A power and energy monitor with I2C interface.
4. MAX44284: A high-precision digital current sensor with SPI/I2C options.
These alternatives vary in features and specifications, so it's important to review their datasheets to ensure compatibility with your application.
Features
The INA229AIDGSR is a high-precision, digital, current-shunt and power monitor with an I²C, SMBus, and PMBus-compatible interface. Key features include:
1. High Accuracy and Precision: It offers high precision with a maximum offset of 10 µV, enabling accurate current measurements over a wide range.
2. Wide Range Measurements: Supports a wide common-mode voltage range from -0.3V to +85V, accommodating various applications.
3. High-Speed Communication: The device features a fast I²C interface that supports speeds up to 1 MHz, allowing for quick data transmission.
4. Integrated ADC: It includes a 20-bit delta-sigma ADC that ensures precise conversion of current, voltage, and power data.
5. Multi-Parameter Monitoring: Capable of measuring current, bus voltage, power, and temperature, facilitating comprehensive power management.
6. Configurable Averaging Options: Provides programmable conversion times and averaging modes to optimize measurement accuracy and noise reduction.
7. Low Power Consumption: Efficient power usage makes it ideal for battery-operated devices.
8. Small Package: Available in a compact 10-pin VSSOP package, suitable for space-constrained designs.
These features make the INA229AIDGSR a versatile solution for current and power measurement in various electronic applications.
1. High Accuracy and Precision: It offers high precision with a maximum offset of 10 µV, enabling accurate current measurements over a wide range.
2. Wide Range Measurements: Supports a wide common-mode voltage range from -0.3V to +85V, accommodating various applications.
3. High-Speed Communication: The device features a fast I²C interface that supports speeds up to 1 MHz, allowing for quick data transmission.
4. Integrated ADC: It includes a 20-bit delta-sigma ADC that ensures precise conversion of current, voltage, and power data.
5. Multi-Parameter Monitoring: Capable of measuring current, bus voltage, power, and temperature, facilitating comprehensive power management.
6. Configurable Averaging Options: Provides programmable conversion times and averaging modes to optimize measurement accuracy and noise reduction.
7. Low Power Consumption: Efficient power usage makes it ideal for battery-operated devices.
8. Small Package: Available in a compact 10-pin VSSOP package, suitable for space-constrained designs.
These features make the INA229AIDGSR a versatile solution for current and power measurement in various electronic applications.
Pinout
The INA229AIDGSR is a precision, high-speed current sensing amplifier from Texas Instruments. It is typically available in a 20-pin VQFN (very thin quad flat no-lead) package.
Key functions of the INA229AIDGSR include:
- Measuring bi-directional current, voltage, and power.
- High-precision analog-to-digital conversion.
- Advanced digital features such as programmable calibration and alert functions.
- Integrated shunt voltage, bus voltage, and temperature measurement capabilities.
The INA229AIDGSR is widely used for applications requiring precise current monitoring, such as in power management and battery-powered systems. For detailed pin configuration and specific functions, referring to the manufacturer's datasheet is recommended.
Key functions of the INA229AIDGSR include:
- Measuring bi-directional current, voltage, and power.
- High-precision analog-to-digital conversion.
- Advanced digital features such as programmable calibration and alert functions.
- Integrated shunt voltage, bus voltage, and temperature measurement capabilities.
The INA229AIDGSR is widely used for applications requiring precise current monitoring, such as in power management and battery-powered systems. For detailed pin configuration and specific functions, referring to the manufacturer's datasheet is recommended.
Manufacturer
The INA229AIDGSR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. TI is well-known for its innovations in analog and embedded processing products. The company serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its strong research and development capabilities, enabling it to deliver a wide range of high-performance products, such as amplifiers, data converters, and power management devices.
Application
The INA229AIDGSR is a high-precision, digital power monitor used in various applications requiring accurate current, voltage, and power measurement. Key application areas include server and telecom equipment for monitoring power usage and thermal management, battery management systems in electric vehicles or renewable energy storage, and industrial automation for process control and efficiency monitoring. Additionally, it is utilized in data centers for energy optimization and in consumer electronics for battery-operated devices to enhance energy efficiency. Its high precision and digital interface make it suitable for applications demanding meticulous power analysis and management.
Package
The INA229AIDGSR comes in a VSSOP (Very Thin Shrink Small Outline Package) with 10 pins. This package is compact, making it ideal for space-constrained applications.
