ZXCT1083QE5TA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sensing Amplifier
• Characteristics:
  • High accuracy current sensing
  • Low offset voltage
  • Wide input voltage range
  • Small package size
• Package: SOT23-5
• Essence: Current sensing amplifier with high accuracy and low offset voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: 2.7V to 40V
• Input Common Mode Voltage Range: -0.3V to Vcc+0.3V
• Output Voltage Swing: 0V to Vcc-1.2V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ZXCT1083QE5TA has a total of 5 pins:

1. Pin 1: Vcc - Supply voltage pin
2. Pin 2: Vin- - Inverting input for current sensing
3. Pin 3: Vin+ - Non-inverting input for current sensing
4. Pin 4: Vout - Output voltage pin
5. Pin 5: GND - Ground reference pin

Functional Features

• High accuracy current sensing: The ZXCT1083QE5TA provides precise measurement of current with low offset voltage.
• Wide input voltage range: It can handle input voltages ranging from -0.3V to Vcc+0.3V, making it suitable for various applications.
• Low offset voltage: The amplifier has a low offset voltage, ensuring accurate current measurements.
• Small package size: The SOT23-5 package allows for compact designs and space-saving on PCBs.

Advantages and Disadvantages

Advantages: - High accuracy current sensing - Wide input voltage range - Low offset voltage - Small package size

Disadvantages: - Limited output voltage swing (0V to Vcc-1.2V) - Quiescent current of 60µA may not be suitable for ultra-low power applications

Working Principles

The ZXCT1083QE5TA is a current sensing amplifier that utilizes a differential amplifier configuration. It measures the voltage drop across a shunt resistor connected in series with the load, converting it into a proportional output voltage. The amplifier amplifies this voltage to provide an accurate representation of the current flowing through the load.

Detailed Application Field Plans

The ZXCT1083QE5TA is commonly used in various applications, including:

1. Battery management systems: It enables precise current monitoring in battery charging and discharging processes.
2. Power supplies: The amplifier ensures accurate current measurements in power supply circuits, enhancing overall system efficiency.
3. Motor control: It facilitates precise current sensing in motor control applications, enabling efficient and reliable operation.
4. Overcurrent protection: The ZXCT1083QE5TA can be used to detect overcurrent conditions and trigger protective measures.

Detailed and Complete Alternative Models

1. ZXCT1083QE6TA: Similar to ZXCT1083QE5TA, but with extended temperature range (-55°C to +125°C).
2. ZXCT1083QE4TA: Lower quiescent current version (40µA typical) for ultra-low power applications.
3. ZXCT1083QE8TA: Higher gain bandwidth product (800kHz typical) for applications requiring higher frequency response.

Note: These alternative models offer similar functionality but may have different specifications or package options.

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