TSL208R

The TSL208R is a low-ohmic precision current sense amplifier IC designed to measure small differential voltages across shunt resistors or current transformers with high accuracy. It allows for high-side or low-side sensing of current, making it suitable for a wide range of industrial and automotive applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• V-: Negative Power Supply
• V+: Positive Power Supply
• +IN: Positive Differential Input
• -IN: Negative Differential Input
• OUT: Amplifier Output
• SENSE: Current Sensing Input
• CAPC: Capacitor Connection
• VREF: Voltage Reference Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TSL208R IC for a visual representation.

Key Features

• Precision Current Sensing: The TSL208R provides accurate measurement of small differential voltages across shunt resistors or current transformers with high common-mode rejection.
• Low-Ohmic Sensing: With a low input bias current and virtual ground capability, this IC allows for low-ohmic sensing while maintaining a high common-mode voltage range.
• High Common-Mode Rejection: The TSL208R features a high common-mode rejection ratio (CMRR) of 90dB, ensuring reliable operation in noisy environments.
• Flexible Supply Voltage: Compatible with supply voltages ranging from 2.5V to 5.5V, the TSL208R supports a wide range of system designs.
• Small Package: Available in a compact 8-pin SOIC package.

Note: For detailed technical specifications, please refer to the TSL208R datasheet.

Application

• Automotive Applications: The TSL208R is suitable for use in various automotive applications, including battery management systems, electric power steering systems, and motor control systems.
• Industrial Monitoring: The IC can be used in industrial monitoring systems to detect and measure small differential voltage signals across shunt resistors or current transformers.
• Power Supply Monitoring: It is ideal for monitoring power consumption and controlling power supplies in various electronic systems.

Functionality

The TSL208R is a precision current sense amplifier IC that provides accurate measurement of small differential voltages across shunt resistors or current transformers. With its low-ohmic sensing capability and high common-mode rejection, it allows for reliable current sensing in various applications.

Usage Guide

• Power Supply: Connect V+ (Pin 2) to the positive power supply and V- (Pin 1) to the negative power supply.
• Differential Input: Connect the positive (+IN, Pin 3) and negative (-IN, Pin 4) differential input pins to the differential voltage across the shunt resistor or current transformer.
• Current Sensing Input: Connect the SENSE (Pin 6) pin to the shunt resistor or current transformer's sensing output.
• Output: The amplifier output (OUT, Pin 5) provides the amplified output voltage proportional to the differential input voltage.

Frequently Asked Questions

Q: What is the common-mode voltage range of the TSL208R?
A: The TSL208R features a wide common-mode voltage range of -2.5V to +65V, making it suitable for various applications with high common-mode voltage.

Q: Can the TSL208R operate with a single power supply?
A: Yes, the TSL208R can operate with a single supply voltage of 2.5V to 5.5V. However, it requires a virtual ground circuit for low-ohmic sensing.