HAL856 datasheet(30/42 Pages) MICRONAS

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HAL856

DATA SHEET

March 23, 2010; DSH000142_002EN

Micronas

4.3. Temperature Compensation

The relationship between the temperature coefficient

of the magnet and the corresponding TC and TCSQ

codes for linear compensation is given in the following

table. In addition to the linear change of the magnetic

field with temperature, the curvature can be adjusted

as well. For this purpose, other TC and TCSQ combi-

nations are required which are not shown in the table.

Micronas also offers a software named TC-Calc to

optimize the TC and TCSQ values for each individual

application based on customer measurement results.

Please contact Micronas for more detailed information.

Table 4–1: Temperature compensation

Typ. Temperature

Coefficient of

Magnet (ppm/K)

TCSQ

600

570

540

520

490

470

440

420

360

330

300

280

260

240

200

180

150

130

−20

−50

−70

−100

−180

−200

−230

−260

−280

−360

−390

−410

−31

−490

−30

−510

−29

−540

−28

−610

−27

−640

−26

−670

−25

−740

−24

−780

−23

−840

−22

−880

−21

−950

−20

−980

−19

−1010

−18

−1080

−17

−1150

−16

−1180

−15

−1270

−14

−1290

−13

−1360

−12

−1430

−11

−1460

−10

−1540

−915

−1600

−816

−1670

−717

Table 4–1: Temperature compensation, continued

Typ. Temperature

Coefficient of

Magnet (ppm/K)

TCSQ

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