ALED1262ZT datasheet(64/69 Pages) STMICROELECTRONICS

64 / 69 page

Contents

Pin description ....................................................................2

Absolute maximum ratings ........................................................3

Thermal characteristics............................................................4

Electrical characteristics...........................................................5

4.1

Switching characteristics ........................................................ 7

Device pin functions ..............................................................10

Driver dropout voltage ............................................................12

Device functional description .....................................................14

Error detection ...................................................................18

Gradual output delay .............................................................19

Thermal warning and protection ..................................................20

Device local dimming function ....................................................21

Local dimming non-linear step table ..............................................23

13.1

BDM_conf_1 / Enable_CH_1 register............................................. 26

13.2

BDM_conf_2 / Enable_CH_2 register............................................. 27

13.3

BDM_status register ........................................................... 28

13.4

Faulty_ch_1 register ........................................................... 29

13.5

Faulty_ch_2 register ........................................................... 30

13.6

PWM_gain_x register .......................................................... 31

13.7

LDD register (LED driver device versioning) ....................................... 31

13.8

OTP/SAM_conf_1_2 register.................................................... 32

13.9

OTP/SAM_conf_1 register ...................................................... 32

13.10 OTP/SAM_conf_2 register ...................................................... 33

13.11 OTP/BA_n_SAM_setting register ................................................ 33

I²C bus operations ................................................................36

14.1

I²C main concepts ............................................................. 37

I²C addressing for the ALED1262ZT ...............................................38

ALED1262ZT

Contents

DS12631 - Rev 4

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ALED1262ZT Datasheet(PDF) 64 Page - STMicroelectronics

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