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INA240A3QPWRQ1
+Lista de MateriaisIC CURR SENSE 1 CIRCUIT 8TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #INA240A3QPWRQ1
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Especificações
| Atributo | Valor |
| Series | Zero-Drift |
| Part Status | Active |
| Base Product Number | INA240 |
| Amplifier Type | Current Sense |
| Number of Circuits | 1 |
| Slew Rate | 2V/µs |
| Current - Input Bias | 90 µA |
| Voltage - Input Offset | 5 µV |
| Supply Current | 1.8mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 5.5 V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 8-TSSOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| -3 dB Bandwidth | 400 kHz |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Visão Geral
Description
Its automotive-grade qualification ensures reliability in harsh conditions, adhering to the AEC-Q100 standard. The INA240A3QPWRQ1 integrates enhanced PWM rejection, minimizing errors introduced by pulse-width modulation signals, which is crucial for accurate measurements in power-switching applications. The amplifier operates over a temperature range from -40°C to +125°C and comes in a small TSSOP-14 package, facilitating compact designs. Overall, its robust performance and reliability make it ideal for precision current measurements in automotive and industrial applications.
Equivalent
Features
1. High Precision: It offers excellent accuracy with low offset voltage and drift, ensuring precise current measurements.
2. Wide Common-Mode Voltage Range: The device supports a common-mode voltage range from -4V to +80V, making it versatile for various applications.
3. Enhanced PWM Rejection: It has enhanced pulse-width modulation (PWM) rejection, which is particularly useful in motor control scenarios.
4. High Bandwidth: The amplifier provides a bandwidth of 400 kHz, suitable for fast response applications.
5. Low Input Bias Current: It features a low input bias current, minimizing measurement errors.
6. Automotive Qualified: The device is AEC-Q100 qualified, ensuring it meets automotive industry standards.
7. Robust Performance: The INA240A3QPWRQ1 can operate over a wide temperature range from -40°C to +125°C.
8. Package: It is available in a small TSSOP package, facilitating compact design integrations.
These features make the INA240A3QPWRQ1 ideal for precise and reliable current sensing in demanding environments.
Pinout
1. IN+: Non-inverting input. Connects to the positive side of the shunt resistor.
2. IN-: Inverting input. Connects to the negative side of the shunt resistor.
3. REF1: Reference voltage input. Used to set the output reference voltage.
4. REF2: Reference voltage input. Can be used in conjunction with REF1 for setting output voltage scaling.
5. GND: Ground. Provides a return path for the supply and signal currents.
6. OUT: Output. Provides a voltage proportional to the differential input voltage.
7. VS: Supply voltage. Powers the device, typically between 2.7V and 5.5V.
8. NC: No connection. This pin is not connected internally and can be left floating or grounded.
The INA240A3QPWRQ1 is designed to handle high common-mode voltages and offers excellent performance for accurate current sensing applications.
Manufacturer
Application
1. Battery Management Systems: Monitoring and managing battery health in electric vehicles.
2. Motor Control Systems: Ensuring accurate current measurement in electric and hybrid vehicles.
3. Power Supply Systems: Providing precise current sensing in DC-DC converters and inverters.
4. Overcurrent Protection: Detecting overcurrent conditions to protect sensitive components.
5. Renewable Energy Systems: Monitoring current in solar inverters and wind turbine controllers.
6. Automation and Robotics: Enhancing accuracy in feedback control systems.
Its wide temperature range and high accuracy make it suitable for harsh environments.