Infineon Technologies XENSIV™ TLE4999C8

The XENSIV™ magnetic position sensor TLE4999C8 is a monolithic, fully ISO 26262 compliant programmable linear Hall sensor with a two-channel redundancy architecture. The sensor enables for safety-critical design up (ASIL D).

It supports fast data communication on an SPC bus with up to 10 times higher communication rate than today's standard solutions and up to 4 sensors on a bus line. The excellent accuracy parameters (< 2% sensitivity drift, < 100 µT offset drift) are specified over the full temperature range and lifetime. The Linear Hall sensor supports easy system integration by offering programmability for a variety of sensor parameters.

Key features

• Fully ISO 262626 compliant, supports ASIL D systems
• < 2% sensitivity drift, <1 00 µT offset drift over temperature and life time specification
• Integrated digital temperature- and stress-compensation
• Fast digital SPC interface with a unit time down to 0.5 µs

Additional features

• Multi-point calibration with up to 9 linearization set points
• SMD package TDSO-8, Pb-free (RoHS compliant), and halogen-free package

Additional Benefits

• High diagnostic coverage, ISO 26262-compliancy, and dual sensor cell integration enable the development of fail-operational systems
• Multi-point calibration for better fit into various magnetic circuit designs
• Easy system integration due to programmability of several sensor parameters

Applications

• Electric Power Steering
• Pedal position
• Electric throttle control
• Seat rail adjustment
• Headlight adjustment
• Small home appliances
• Joystick applications

Additional Info

Infineon provides excellent functional safety design support during development enabling ASIL D systems with two sensor channels in one device. SPC protocol enables common bus usage with angle sensors, with a common timestamp for up to 4 sensors. Tolerance specifications over temperature and lifetime enable for higher tolerances of mechanical components and use of less expensive magnet Power-down mode (7 nA).