PCA8530DUGSLASHDAZ datasheet(42/103 Pages) NXP

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PCA8530

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Product data sheet

Rev. 2 — 25 September 2014

42 of 103

NXP Semiconductors

PCA8530

Automotive 102 x 4 Chip-On-Glass LCD segment driver

The temperature regions are determined by programming the temperature limits T1 to T4

via the TC-set-1 to TC-set-4 commands (see Section 8.4.2 on page 18). The temperature

coefficients can be selected from a choice of eight different slopes. Each one of theses

coefficients is independently selected via the TC-slope command (see Section 8.4.3 on

page 19).

[1]

The relation between the actual temperature and TD[7:0] is derived from Equation 3 on page 40.

Remark: The programming has to be made such that T1 < T2 and T3 < T4 otherwise the

VLCD temperature compensation will not be executed.

Fig 23. Example of segmented temperature coefficients

Table 32.

Temperature regions

T1T[2:0] to

T4T[2:0]

Temperature region 1 and 2

Temperature region 3 and 4

T1, T2 (

C)

Corresponding

TD value[1]

T3, T4 (

C)

Corresponding

TD value[1]

000

34

+29

110

001

27

+38

124

010

21

+47

138

011

15

+55

152

100

950+64

166

101

260+73

180

110

+82

194

111

+10

+91

208

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