規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Zero-Drift |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 0.3V/µs |
| GainBandwidthProduct | 37 kHz |
| Current-InputBias | 500 pA |
| Voltage-InputOffset | 3 µV |
| Current-Supply | 48µA |
| Voltage-SupplySpan(Min) | 1.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 6-TSSOP, SC-88, SOT-363 |
概述
Description
The INA186A2IDCKR is a precision, low-power, zero-drift, bi-directional current sense amplifier, manufactured by Texas Instruments. It is designed to accurately measure both small and large currents across a wide range of applications. The device operates with a supply voltage between 1.7V to 5.5V, making it suitable for battery-powered and low-voltage systems.
Key features include a gain of 50 V/V (volts per volt), a wide input common-mode voltage range from -0.2V to +40V, and a maximum offset voltage of 150 µV, which ensures high accuracy. The device also has a bandwidth of 150 kHz, making it suitable for fast-changing currents.
The INA186A2IDCKR is available in a small SC70-6 package, which is ideal for space-constrained designs. It is commonly used in applications such as power management, battery monitoring, motor control, and overcurrent protection. The zero-drift architecture provides excellent long-term stability and low noise, enhancing measurement precision in various electronic systems.
Key features include a gain of 50 V/V (volts per volt), a wide input common-mode voltage range from -0.2V to +40V, and a maximum offset voltage of 150 µV, which ensures high accuracy. The device also has a bandwidth of 150 kHz, making it suitable for fast-changing currents.
The INA186A2IDCKR is available in a small SC70-6 package, which is ideal for space-constrained designs. It is commonly used in applications such as power management, battery monitoring, motor control, and overcurrent protection. The zero-drift architecture provides excellent long-term stability and low noise, enhancing measurement precision in various electronic systems.
Equivalent
The INA186A2IDCKR is a precision, zero-drift, current-sense amplifier by Texas Instruments. Equivalent products can include the MAX44284 by Maxim Integrated, the ACS712 by Allegro Microsystems, and the ZXCT series by Diodes Incorporated. However, always ensure the specifications such as gain, bandwidth, and input voltage range, match your requirements.
Features
The INA186A2IDCKR is a precision, bi-directional current sense amplifier from Texas Instruments. Key features include:
1. Wide Supply Voltage Range: Operates from 1.7V to 5.5V, suitable for a variety of applications.
2. Low Quiescent Current: Consumes minimal power, enhancing efficiency in battery-powered devices.
3. High Accuracy and Precision: Offers a gain of 50V/V with excellent offset voltage and drift, ensuring accurate current measurements.
4. Wide Common-Mode Range: Supports -0.2V to +40V, allowing it to monitor current across a broad range of voltages, including negative voltages.
5. Low Input Offset: Minimizes measurement errors for increased accuracy.
6. Small Footprint: Available in a compact SOT-23 package, facilitating use in space-constrained designs.
7. Bidirectional Current Sensing: Capable of measuring current in both directions, useful for motor control and battery management applications.
8. Temperature Range: Operates reliably from -40°C to +125°C, suitable for industrial environments.
These features make the INA186A2IDCKR ideal for a wide range of current sensing applications, including battery management, motor control, and power supply monitoring.
1. Wide Supply Voltage Range: Operates from 1.7V to 5.5V, suitable for a variety of applications.
2. Low Quiescent Current: Consumes minimal power, enhancing efficiency in battery-powered devices.
3. High Accuracy and Precision: Offers a gain of 50V/V with excellent offset voltage and drift, ensuring accurate current measurements.
4. Wide Common-Mode Range: Supports -0.2V to +40V, allowing it to monitor current across a broad range of voltages, including negative voltages.
5. Low Input Offset: Minimizes measurement errors for increased accuracy.
6. Small Footprint: Available in a compact SOT-23 package, facilitating use in space-constrained designs.
7. Bidirectional Current Sensing: Capable of measuring current in both directions, useful for motor control and battery management applications.
8. Temperature Range: Operates reliably from -40°C to +125°C, suitable for industrial environments.
These features make the INA186A2IDCKR ideal for a wide range of current sensing applications, including battery management, motor control, and power supply monitoring.
Pinout
The INA186A2IDCKR is a micropower, zero-drift, bi-directional current sense amplifier from Texas Instruments. It is typically available in a small SOT-563 package, which has 6 pins. Here is a quick overview of the pin functions:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (IN+ ): Non-inverting input. Connect to the positive side of the shunt resistor.
3. Pin 3 (IN- ): Inverting input. Connect to the negative side of the shunt resistor.
4. Pin 4 (REF): Reference voltage input. Used to offset the output voltage.
5. Pin 5 (OUT): Output voltage. This pin provides the amplified voltage corresponding to the sensed current.
6. Pin 6 (VS): Power supply voltage. Connect to the positive power supply.
The INA186A2IDCKR is used for precision current sensing applications and operates with a supply voltage range of 1.7V to 5.5V. It features an excellent common-mode rejection ratio, making it suitable for high-side current sensing applications.
1. Pin 1 (GND): Ground connection.
2. Pin 2 (IN+ ): Non-inverting input. Connect to the positive side of the shunt resistor.
3. Pin 3 (IN- ): Inverting input. Connect to the negative side of the shunt resistor.
4. Pin 4 (REF): Reference voltage input. Used to offset the output voltage.
5. Pin 5 (OUT): Output voltage. This pin provides the amplified voltage corresponding to the sensed current.
6. Pin 6 (VS): Power supply voltage. Connect to the positive power supply.
The INA186A2IDCKR is used for precision current sensing applications and operates with a supply voltage range of 1.7V to 5.5V. It features an excellent common-mode rejection ratio, making it suitable for high-side current sensing applications.
Manufacturer
The INA186A2IDCKR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. Their products are used in various applications, including industrial, automotive, personal electronics, communications, and enterprise systems. TI is known for its focus on innovation and engineering excellence, providing reliable, high-performance components that are critical in modern electronics.
Application
The INA186A2IDCKR is a precision, bi-directional current sense amplifier used in various applications. Key areas include:
1. Battery Management Systems: Monitoring and managing battery charge and discharge currents.
2. Power Management: Ensuring efficient power usage in DC-DC converters and power supplies.
3. Motor Control: Monitoring current in motor-driven systems for protection and efficiency.
4. Telecommunications: Used in systems for power monitoring and fault detection.
5. Industrial Automation: Current monitoring in industrial equipment and robotics for maintenance and control.
6. Consumer Electronics: Used in devices for power optimization and protection.
Its high accuracy and low offset voltage make it suitable for precise current measurements in these applications.
1. Battery Management Systems: Monitoring and managing battery charge and discharge currents.
2. Power Management: Ensuring efficient power usage in DC-DC converters and power supplies.
3. Motor Control: Monitoring current in motor-driven systems for protection and efficiency.
4. Telecommunications: Used in systems for power monitoring and fault detection.
5. Industrial Automation: Current monitoring in industrial equipment and robotics for maintenance and control.
6. Consumer Electronics: Used in devices for power optimization and protection.
Its high accuracy and low offset voltage make it suitable for precise current measurements in these applications.
Package
The INA186A2IDCKR is an operational amplifier packaged in an SOT-563 (Small Outline Transistor) package. This package type is compact and commonly used for surface-mount applications where space is limited.
