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LP5562TMX/NOPB Datasheet(PDF) 38 Page - Texas Instruments

Part # LP5562TMX/NOPB
Description  LP5562 Four-Channel RGB- or White-LED Driver With Internal Program Memory and Independent Channel Control
PDF  52 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP5562TMX/NOPB Datasheet(HTML) 38 Page - Texas Instruments

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38
LP5562
SNVS820B – APRIL 2013 – REVISED DECEMBER 2016
www.ti.com
Product Folder Links: LP5562
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
7.6.16 W LED Output Current Control Register (W_CURRENT) (address = 0Fh) [reset = AFh]
Figure 41. W_CURRENT Control Register
7
6
5
4
3
2
1
0
W_CURRENT[7:0]
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 42. W_CURRENT Register Field Descriptions
Bit
Field
Type
Reset
Description
7:0
W_CURRENT
R/W
Current setting
0000 0000b = 0.0 mA
0000 0001b = 0.1 mA
0000 0010b = 0.2 mA
0000 0011b = 0.3 mA
0000 0100b = 0.4 mA
0000 0101b = 0.5 mA
0000 0110b = 0.6 mA
...
1010 1111b = 17.5 mA (default)
... 1111 1011b = 25.1 mA
1111 1100b = 25.2 mA
1111 1101b = 25.3 mA
1111 1110b = 25.4 mA
1111 1111b = 25.5 mA
7.6.17 LED Mapping Register (LED Map) (address = 70h) [reset = 39h]
Figure 42. LED Map Register
7
6
5
4
3
2
1
0
W_ENG_SEL[1:0]
R_ENG_SEL[1:0]
G_ENG_SEL[1:0]
B_ENG_SEL[1:0]
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 43. LED Map Register Field Descriptions
Bit
Field
Type
Reset
Description
7:6
W_ENG_SEL
R/W
Selection from where W LED output PWM is controlled, 00 = I2C
register 0Eh, 01 = Engine 1, 10 = Engine 2, 11 = Engine 3
5:4
R_ENG_SEL
R/W
Selection from where R LED output PWM is controlled 00 = I2C
register 04h, 01 = Engine 1, 10 = Engine 2, 11 = Engine 3
3:2
G_ENG_SEL
R/W
Selection from where G LED output PWM is controlled 00 = I2C
register 03h, 01 = Engine 1, 10 = Engine 2, 11 = Engine 3
1:0
B_ENG_SEL
R/W
Selection from where B LED output PWM is controlled 00 = I2C
register 02h, 01 = Engine 1, 10 = Engine 2, 11 = Engine 3



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