1 Features

? 3D Hall-effect sensor performance:

– Sensitivity mismatch thermal drift X-Y axes:

±2.3 (Max)

– X-Y angle thermal drift: ±1.2° (Max)

– 20 kSPS conversion rate for single axis

? Fully isolated dual-die with vertically aligned

sensing elements

? Functional Safety-Compliant:

– Developed for functional safety applications

– Designed to meet ASIL D requirements when

implemented with the appropriate system-level

control according to the Functional Safety

Manual

? AEC-Q100 qualified for automotive applications:

– Temperature grade 0: –40°C to 150°C

? Configurable 10-MHz serial peripheral interface

(SPI) with cyclic redundancy check (CRC)

? Built-in temperature sensor and compensation for

multiple magnet types

? Independently selectable X, Y, and Z ranges:

– TMAG5170DA1-Q1: ±25, ±50, ±100 mT

– TMAG5170DA2-Q1: ±75, ±150, ±300 mT

? Autonomous wake-up and sleep mode for

threshold detection consuming only 1.5 μA

? Integrated digital filter with up to 32 times sensor

data integration

? Conversion trigger through the ALERT, CS, or SPI

communications

? Supply voltage range: 2.3 V to 5.5 V

2 Applications

? Electric Power Steering

? Shifter systems

? Steering column control

? Brake systems

? Wiper modules

? Actuators

3 Description

The TMAG5170D-Q1 is a fully redundant, electrically

isolated dual die 3D hall effect sensor with a

precision signal chain. The two dies are vertically

aligned providing superior matching output results

with each die being independently configurable,

including temperature sensing with temperature

drift compensation. Multiple measurement types are

supported included 1D linear, 2D angle, 3D joystick

and magnetic threshold cross applications.

The TMAG5170D-Q1 contains on-chip diagnostic

features required for high reliability automotive and

industrial applications, including monitors of both

internal and external fault conditions. The device

supports multiple power options such as wake-up and

sleep mode, allowing designers to optimize system

power consumption based on system-level needs.

Integrated angle calculation engine (CORDIC)

provides full 360° angular position information for

both on-axis and off-axis angle measurements with

magnetic gain and offset correction to mitigate the

impact of system mechanical error sources. The

integrated ALERT function can be used to generate

interrupt with either sensor conversion, magnetic

threshold cross, or functional safety violation.