TMAG5170-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 0: –40°C to 150°C
- High-precision linear 3D Hall-effect sensor to optimize position sensing speed and accuracy:
- Linear measurement total error: ±2.6% (maximum at 25°C)
- Sensitivity temperature drift: ±2.8% (maximum)
- 20-kSPS conversion rate for single axis
- Functional Safety-Compliant:
- Developed for functional safety applications
- Documentation available to aid ISO 26262 system design
- Systematic capability up to ASIL D
- Hardware integrity up to ASIL B
- 10-MHz serial peripheral interface (SPI) with cyclic redundancy check (CRC)
- Built-in temperature sensor with < ±3°C error
- Independently selectable X, Y, and Z ranges:
- TMAG5170A1 -Q1: ±25, ±50, ±100 mT
- TMAG5170A2 -Q1: ±75, ±150, ±300 mT
- Autonomous wake-up and sleep mode for threshold detection consuming only 1.5 µA
- ALERT function to initiate sensor conversion or indicate conversion complete
- Integrated temperature compensation for multiple magnet types
- Integrated angle CORDIC calculation with gain and offset adjustment
- 2.3-V to 5.5-V supply voltage range
The TMAG5170-Q1 is a high-precision linear 3D Hall-effect sensor designed for a wide range of automotive and industrial applications. The high level of integration offers flexibility and accuracy in a variety of position sensing systems. This device features 3 independent Hall sensors at X, Y, and Z axes.
A precision signal-chain along with an integrated 12-bit ADC enables high accuracy and low drift magnetic field measurements while supporting a sampling of up to 20 kSPS. On-chip temperature sensor data is available for system-level drift compensation.
Integrated angle calculation engine (CORDIC) provides full 360° angular position information for both on-axis and off-axis angle measurement topologies. The angle calculation is performed using two user-selected magnetic axes. The device features magnetic gain and offset correction to mitigate the impact of system mechanical error sources.
The TMAG5170-Q1 can be configured through the SPI to enable any combination of magnetic axes and temperature measurements. Multiple sensor conversion schemes and SPI read frames help optimize throughput and accuracy. A dedicated ALERT pin can act as a system interrupt during low power wake-up and sleep mode, and can also be used by a microcontroller to trigger a new sensor conversion.
The TMAG5170-Q1 offers multiple diagnostics features to detect and report both system and device-level failures. The SPI communication features a user-enabled cyclic redundancy check to enhance the data integrity.
The device is offered in two different orderables to support wide magnetic fields ranges from ±25 mT to ±300 mT.
The device performs consistently across a wide ambient temperature range of –40°C to +150°C.
要求更多資訊
提供 TMAG5170-Q1 的 ISO26262 合規功能安全文件。立即索取
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