US 12,228,621 B2
Magnetic sensor device
Kenkichi Anagawa, Tokyo (JP); Shinichirou Mochizuki, Tokyo (JP); and Homare Tokida, Tokyo (JP)
Assigned to TDK CORPORATION, Tokyo (JP)
Filed by TDK CORPORATION, Tokyo (JP)
Filed on Sep. 19, 2022, as Appl. No. 17/947,654.
Claims priority of provisional application 63/246,441, filed on Sep. 21, 2021.
Prior Publication US 2023/0089798 A1, Mar. 23, 2023
Int. Cl. G01R 33/09 (2006.01); G01R 33/02 (2006.01)
CPC G01R 33/09 (2013.01) [G01R 33/0206 (2013.01); G01R 33/093 (2013.01); G01R 33/098 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A magnetic sensor device comprising a magnetic sensor and a signal processing circuit for the magnetic sensor, wherein:
the magnetic sensor includes
at least one sensor main body,
a detection circuit provided on the at least one sensor main body, the detection circuit including a magnetic detection element, and
a plurality of sensor terminals provided on the at least one sensor main body;
the plurality of sensor terminals include a plurality of first signal terminals and a plurality of first power supply terminals;
the plurality of first signal terminals are all disposed on a side of one end of the at least one sensor main body;
the plurality of first power supply terminals include at least one first terminal disposed on the side of the one end of the at least one sensor main body, and a plurality of second terminals disposed on a side of another end of the at least one sensor main body;
the signal processing circuit includes
a circuit main body,
a first block provided on the circuit main body, the first block being configured to process a detection signal of the magnetic sensor,
a second block provided on the circuit main body, the second block being configured to supply power to the magnetic sensor, and
a plurality of circuit terminals provided on the circuit main body;
the plurality of circuit terminals include a plurality of second signal terminals respectively electrically connected to the plurality of first signal terminals, and a plurality of second power supply terminals respectively electrically connected to the plurality of first power supply terminals;
the plurality of second signal terminals are all disposed on a side of one end of the circuit main body; and
the plurality of second power supply terminals include at least one third terminal disposed on the side of the one end of the circuit main body, and a plurality of fourth terminals disposed on a side of another end of the circuit main body.