Overview
The TMCS1108A2BQDRQ1 is a galvanically isolated Hall-effect current sensor manufactured by Texas Instruments. This device is designed for high-accuracy DC or AC current measurement, featuring excellent linearity and temperature stability. It is part of the TMCS1108-Q1 series, which is AEC-Q100 qualified, making it suitable for automotive applications. The sensor operates within a temperature range of -40°C to 125°C and offers robust 100-V galvanic isolation, ensuring reliable performance in various environments.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Manufacturer's Part Number | TMCS1108A2BQDRQ1 |
| Description | CURRENT SENSOR; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Output Type: ANALOG VOLTAGE |
| Minimum Supply Voltage | 3 V |
| Maximum Supply Voltage | 5.5 V |
| Output Type | ANALOG VOLTAGE |
| Terminal Finish | MATTE TIN |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 125°C |
| No. of Terminals | 8 |
| Package Shape or Style | RECTANGULAR (SOIC-8) |
| Body Width | 3.895 mm |
| Body Height | 1.5 mm |
| Body Length/Diameter | 4.905 mm |
| Sensitivity | 100 mV/A |
| Signal Bandwidth | 80 kHz |
| Galvanic Isolation | 100 V |
Key Features
- AEC-Q100 qualified for automotive applications
- Functional Safety-Capable
- Total error: ±1% typical, ±3% maximum, –40°C to 125°C
- Sensitivity error: ±0.9%
- Offset error: 40 mA
- Offset drift: 0.2 mA/°C
- Linearity error: 0.5%
- Multiple sensitivity options: 50 mV/A, 100 mV/A, 200 mV/A, 400 mV/A
- Zero drift internal reference
- Bidirectional and unidirectional current sensing
- Operating supply range: 3 V to 5.5 V
- Robust 100-V galvanic isolation
Applications
The TMCS1108A2BQDRQ1 is primarily used in automotive and industrial applications where high-accuracy current measurement is crucial. It is suitable for monitoring DC or AC currents in various systems, including motor control, power supplies, and battery management systems. The device's robust galvanic isolation and wide operating temperature range make it ideal for harsh environments.
Q & A
- What is the TMCS1108A2BQDRQ1 used for? The TMCS1108A2BQDRQ1 is used for high-accuracy DC or AC current measurement in automotive and industrial applications.
- What is the operating temperature range of the TMCS1108A2BQDRQ1? The operating temperature range is -40°C to 125°C.
- What is the sensitivity of the TMCS1108A2BQDRQ1? The sensitivity of the TMCS1108A2BQDRQ1 is 100 mV/A.
- Does the TMCS1108A2BQDRQ1 support bidirectional current sensing? Yes, it supports both bidirectional and unidirectional current sensing.
- What is the galvanic isolation of the TMCS1108A2BQDRQ1? The galvanic isolation is 100 V.
- What is the signal bandwidth of the TMCS1108A2BQDRQ1? The signal bandwidth is 80 kHz.
- Is the TMCS1108A2BQDRQ1 AEC-Q100 qualified? Yes, it is AEC-Q100 qualified for automotive applications.
- What is the total error of the TMCS1108A2BQDRQ1? The total error is ±1% typical, ±3% maximum, from -40°C to 125°C.
- What is the package type of the TMCS1108A2BQDRQ1? The package type is SOIC-8 (RECTANGULAR).
- What is the supply voltage range of the TMCS1108A2BQDRQ1? The supply voltage range is 3 V to 5.5 V.
