Overview
The TMCS1108A4UQDRQ1 is a high-precision, galvanically isolated Hall-effect current sensor produced by Texas Instruments. This device is designed for automotive and industrial applications, offering accurate DC or AC current measurement with excellent linearity and temperature stability. It features an internal 1.8-mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor, eliminating the need for external concentrators and simplifying the design process. The sensor provides a ratiometric voltage output and operates within a wide temperature range of -40°C to 125°C, making it suitable for demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3 to 5.5 | V |
| Sensitivity | 400 mV/A | mV/A |
| Response Time | 6.5 µs | µs |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - |
| Output | Ratiometric, Voltage | - |
| Number of Channels | 1 | - |
| Linearity | ±0.5% | % |
| Frequency Range | DC to 80 kHz | Hz |
| Current - Supply (Max) | 6 mA | mA |
| Working Isolation Voltage (VIOWM) | 71 Vrms | Vrms |
| Surge Isolation Voltage (VIOSM) | 6000 VPK | VPK |
| CMTI (Common Mode Transient Immunity) | 50 kV/µs | kV/µs |
Key Features
- Galvanic Isolation: Provides 100-V functional isolation between the current path and circuitry, ensuring safe and secure data transmission.
- Low Power Consumption: Typically 1.5 mA at 3 V, making it efficient for system design.
- Easy Integration: Compatible with microcontrollers or other ICs, simplifying the integration process.
- High Precision and Fast Response: Accurate current measurement with a fast response time of 6.5 microseconds.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, suitable for demanding environments.
- Small Package Size: 8-SOIC surface-mount package, ideal for space-constrained applications).
- Automotive-Grade Qualification: AEC-Q100 qualified, ensuring reliability in vehicle systems).
Applications
- Motor Control: Used in motor control systems for accurate current measurement and control).
- Power Conversion: Suitable for power conversion applications, including power factor correction and inverter systems).
- Battery Management: Employed in battery management systems for monitoring and controlling battery currents).
- Overcurrent Detection: Used for detecting overcurrent conditions in various industrial and automotive applications).
- Industrial and Automotive Electronics: General use in industrial and automotive electronics where precise current measurement is required).
Q & A
- What is the TMCS1108A4UQDRQ1 used for?
The TMCS1108A4UQDRQ1 is a Hall-effect current sensor used for accurate DC or AC current measurement in automotive and industrial applications.
- What is the operating temperature range of the TMCS1108A4UQDRQ1?
The operating temperature range is from -40°C to 125°C.
- What is the sensitivity of the TMCS1108A4UQDRQ1?
The sensitivity is 400 mV/A.
- Does the TMCS1108A4UQDRQ1 have galvanic isolation?
Yes, it provides 100-V functional isolation between the current path and circuitry.
- What is the maximum supply current of the TMCS1108A4UQDRQ1?
The maximum supply current is 6 mA.
- What is the package type of the TMCS1108A4UQDRQ1?
The package type is 8-SOIC (0.154", 3.90mm Width).
- Is the TMCS1108A4UQDRQ1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the response time of the TMCS1108A4UQDRQ1?
The response time is 6.5 microseconds.
- What are some common applications of the TMCS1108A4UQDRQ1?
Common applications include motor control, power conversion, battery management, overcurrent detection, and general use in industrial and automotive electronics.
- What is the frequency range of the TMCS1108A4UQDRQ1?
The frequency range is from DC to 80 kHz.
