INA250A4PWR Power Path Management IC Current & Power Monitors & Regulators Current Shunt Monitor
battery charge management ic
,power management integrated circuit
INA250A4PWR Power Path Management IC Current & Power Monitors & Regulators Current Shunt Monitor
1 Features
- Precision Integrated Shunt Resistor:
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– Shunt Resistor: 2 mΩ
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– Shunt Resistor Tolerance: 0.1% (Max)
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– 15 A Continuous from –40°C to 85°C
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– 0°C to 125°C Temperature Coefficient: 10 ppm/°C
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High Accuracy:
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– Gain Error (Shunt and Amplifier): 0.3% (Max)
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– Offset Current: 50 mA (Max, INA250A2)
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Four Available Gains:
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– INA250A1: 200 mV/A
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– INA250A2: 500 mV/A
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– INA250A3: 800 mV/A
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– INA250A4: 2 V/A
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Wide Common-Mode Range: –0.1 V to 36 V
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Specified Operating Temperature: –40°C to 125°C
2 Applications
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Test Equipment
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Power Supplies
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Servers
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Telecom Equipment
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Automotive
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Solar Inverters
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Power Management
3 Description
The INA250 is a voltage-output, current-sensing amplifier family that integrates an internal shunt resistor to enable high-accuracy current measurements at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high- side current-shunt monitor that allows an external reference to be used to measure current flowing in both directions through the internal current-sensing resistor sensor. The integration of the precision current-sensing resistor provides calibration equivalent measurement accuracy with ultra-low temperature drift performance and ensures an optimized Kelvin layout for the sensing resistor is always obtained.
The INA250 family is available in four output voltage scales: 200 mV/A, 500 mV/A, 800 mV/A, and 2 V/A. This device is fully tested and specified for continuous currents up to 10 amps at the maximum temperature of 125°C. The INA250 operates from a single 2.7-V to 36-V supply and draws a maximum of 300 μA of supply current. All INA250 gain versions are specified over the extended operating temperature range (–40°C to 125°C), and are available in a TSSOP-16 package.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
INA250A1 |
TSSOP (16) |
5.00 mm × 4.40 mm |
|
INA250A2 |
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INA250A3 |
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INA250A4 |
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