TDK HAC3735UF-A

The HAC 37xy is a family of programmable 2D position sensors with integrated capacitors, optimized for EMI protection. This sensor family employs a proprietary 3D Hall technology with integrated decoupling capacitors in a TO92UF package. The integrated capacitors help meet stringent ESD and EMC requirements while eliminating the need for a PCB, reducing overall system size and cost. The HAC 372x provides a linearly ratiometric analog output signal with integrated wire break detection. The HAC 3715 can divide a 360° measurement range into four repeating 90° segments or three 120° segments. The HAC 373x features digital output formats including PWM and SENT per SAE J2716. The PWM output supports a configurable frequency range of 0.2 kHz to 2 kHz with resolution up to 12 bits. In addition to sensitivity to magnetic fields perpendicular to the chip surface, the sensor is also sensitive to magnetic fields parallel to the chip surface. Its magnetic sensing element measures three magnetic field components BX, BY, and BZ. The sensor exhibits excellent drift performance over the specified temperature range, delivering high accuracy for angular and linear measurements. Advanced on-board diagnostic functions are integrated to enhance fail-safe detection. In addition to standard checks such as overvoltage/undervoltage detection and wire break, internal modules are monitored during normal operation. The sensor is designed for automotive and industrial applications, with an operating junction temperature range of -40°C to 170°C, housed in a compact 5-pin leaded single-mold TO92UF package.

• Highly robust angle and position measurement against temperature and stress effects
• Integrated capacitors for robust EMC and PCB-free applications
• HAC 372x provides 12-bit ratiometric linear analog output
• HAC 3715 supports 90° or 120° modulo analog output
• HAC 373x provides 0.2 kHz to 2 kHz PWM or 12-bit SENT output
• Programmable arbitrary output characteristics with up to 33 setpoints
• Operating supply voltage range: 4.5 V to 5.5 V
• Operating junction temperature range: -40°C to 170°C
• Programming via sensor output pin
• Programmable signal path parameters: zero angle position, gain and offset, clamp levels, filter settings, etc.
• Customer-programmable 32-bit identification number
• On-board diagnostics for different functional blocks of the sensor
• Certified SPFM greater than 90%

• Linear motion measurement in drivetrain systems, EGR valves, and cylinder/valve position sensing
• Rotary position measurement in gear selectors, turbochargers, throttle valves, and chassis position sensors