LMP8640MK-T/NOPB
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Texas Instruments LMP8640MK-T/NOPB

Manufacturer No:
LMP8640MK-T/NOPB
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC CURR SENSE 1CIRC SOT23-THIN
Delivery:
Payment:
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Product Introduction

Overview

The LMP8640MK-T/NOPB is a precision current sense amplifier manufactured by Texas Instruments. It is designed for high-side current sensing applications, offering high accuracy and reliability in a compact SOT-23-6 package. This component is particularly suitable for automotive, industrial, and consumer electronics applications where precise current monitoring is essential. Its market positioning targets engineers and designers working on power management systems, battery monitoring, and motor control. The LMP8640MK-T/NOPB stands out for its wide input voltage range, low offset voltage, and high gain accuracy, making it a competitive choice in its category.

Key Specifications

ParameterValueUnitNotes
Input Voltage Range-2 to 42VHigh-side sensing
Gain20, 50, 100V/VFixed gain options
Supply Voltage2.7 to 12VOperating range
Gain Accuracy±0.25%Over temperature
PackageSOT-23-6-Compact form factor
Operating Temperature-40 to 125°CWide range
Output TypeBuffered-Low output impedance

Key Features

  • High-side current sensing with a wide input voltage range of -2V to 42V.
  • Fixed gain options of 20 V/V, 50 V/V, and 100 V/V for precise current measurement.
  • High gain accuracy of ±0.25% over temperature, ensuring reliable performance.
  • Compact SOT-23-6 package, ideal for space-constrained applications.
  • Buffered output with low impedance, simplifying integration into existing systems.

Applications

The LMP8640MK-T/NOPB is widely used in automotive electronics for battery monitoring and motor control. In industrial applications, it is employed in power management systems and overcurrent protection circuits. Consumer electronics, such as portable devices and home appliances, also benefit from its precise current sensing capabilities. Its robust design and high accuracy make it a versatile solution for various high-side current sensing needs.

Q & A

What is the input voltage range of the LMP8640MK-T/NOPB?

The input voltage range is -2V to 42V, making it suitable for high-side current sensing.

What are the fixed gain options available?

The amplifier offers fixed gain options of 20 V/V, 50 V/V, and 100 V/V.

What is the gain accuracy of this amplifier?

The gain accuracy is ±0.25% over the operating temperature range.

What package does the LMP8640MK-T/NOPB come in?

It is available in a compact SOT-23-6 package.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

Is the output buffered?

Yes, the output is buffered, providing low output impedance.

What is the supply voltage range?

The supply voltage range is 2.7V to 12V.

Is this component suitable for automotive applications?

Yes, it is suitable for automotive applications, including battery monitoring and motor control.

Can it be used in industrial power management systems?

Yes, it is ideal for industrial power management and overcurrent protection circuits.

What are the typical applications of the LMP8640MK-T/NOPB?

Typical applications include automotive electronics, industrial power management, and consumer electronics such as portable devices and home appliances.

Product Attributes

Amplifier Type:Current Sense
Number of Circuits:1
Output Type:- 
Slew Rate:1.8V/µs
Gain Bandwidth Product:950 kHz
-3db Bandwidth:- 
Current - Input Bias:13 µA
Voltage - Input Offset:900 µV
Current - Supply:2.3mA
Current - Output / Channel:- 
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):12 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:SOT-23-6 Thin, TSOT-23-6
Supplier Device Package:SOT-23-THIN
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Similar Products

Part Number LMP8640MK-T/NOPB LMP8640MKE-T/NOPB LMP8640MKX-T/NOPB LMP8640MK-F/NOPB LMP8640MK-H/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Amplifier Type Current Sense Current Sense Current Sense Current Sense Current Sense
Number of Circuits 1 1 1 1 1
Output Type - - - - -
Slew Rate 1.8V/µs 1.8V/µs 1.8V/µs 1.8V/µs 1.8V/µs
Gain Bandwidth Product 950 kHz 950 kHz 950 kHz 450 kHz 230 kHz
-3db Bandwidth - - - - -
Current - Input Bias 13 µA 13 µA 13 µA 13 µA 13 µA
Voltage - Input Offset 900 µV 900 µV 900 µV 900 µV 900 µV
Current - Supply 2.3mA 2.3mA 2.3mA 2.3mA 2.3mA
Current - Output / Channel - - - - -
Voltage - Supply Span (Min) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
Voltage - Supply Span (Max) 12 V 12 V 12 V 12 V 12 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6 SOT-23-6 Thin, TSOT-23-6 SOT-23-6 Thin, TSOT-23-6 SOT-23-6 Thin, TSOT-23-6 SOT-23-6 Thin, TSOT-23-6
Supplier Device Package SOT-23-THIN SOT-23-THIN SOT-23-THIN SOT-23-THIN SOT-23-THIN

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