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AS3677 データシート(PDF) 23 Page - ams AG

部品番号 AS3677
部品情報  Triple Channel Lighting Management Unit with DCDC step/up, ALS, 2xDLS(=DBC) and RGB Driver
PDF  68 Pages
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メーカー  AMSCO [ams AG]
ホームページ  http://www.ams.com
Logo AMSCO - ams AG

AS3677 データシート(HTML) 23 Page - ams AG

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AS3677
Datasheet - D e ta i l e d D e s c r i p t i o n
8.4.3
Current Sinks RGB1, RGB2, RGB3
These current sinks have a resolution of 8 bits and can sink up to 25.5mA.
RGB Current Sinks Registers
Table 26. Current Sinks RGB1, RGB2, RGB3 Parameters
Symbol
Parameter
Condition
Min
Typ
Max
Unit
IBIT7
Current sink if Bit7 = 1
For V(RGBx) > 0.2V
12.8
mA
IBIT6
Current sink if Bit6 = 1
6.4
IBIT5
Current sink if Bit5 = 1
3.2
IBIT4
Current sink if Bit4 = 1
1.6
IBIT3
Current sink if Bit3 = 1
0.8
IBIT2
Current sink if Bit2 = 1
0.4
IBIT1
Current sink if Bit1 = 1
0.2
IBIT0
Current sink if Bit0 = 1
0.1
Δm
matching Accuracy
RGB1, RGB2, RGB3
-10
+10
%
Δ
absolute Accuracy
-15
+15
%
VRGBX
Voltage compliance
0.2
CPO
UT
V
IQRGB1,2,3
Quiescent current
165
µA
Table 27. curr rgb control
Register
Addr: 02h
curr rgb control
This register select the mode of the current sinks RGB1, RGB2, RGB3
Bit
Bit Name
Default Access
Description
1:0
rgb1_mode
0R/W
Select the mode of the current sink RGB1
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled
3:2
rgb2_mode
0R/W
Select the mode of the current sink RGB2
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled
5:4
rgb3_mode
0R/W
Select the mode of the current sink RGB3
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled



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