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MP3326 Scheda tecnica(PDF) 30 Page - Monolithic Power Systems

Il numero della parte MP3326
Spiegazioni elettronici  16 Channels, 50mA/Ch, LED Driver with Separated PWM Analog Dimming and I2C Interface
PDF  36 Pages
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Produttore elettronici  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3326 Scheda tecnica(HTML) 30 Page - Monolithic Power Systems

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MP3326
– 16-CHANNEL LED DRIVER WITH I2C AND SEPARATED PDIM/ADIM
MP3326 Rev. 1.0
www.MonolithicPower.com
30
1/4/2021
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2021 MPS. All Rights Reserved.
Channel 13 PWM Dimming Duty Setting Register (LSB)
Addr: 0x2F
Bits
Bit Name
Access
Default
Description
7:4
RESERVED
R
0000
Reserved.
3:0
PWM13[3:0]
R/W
1111
Channel 13 LED current PWM dimming duty setting register, 4LSB.
The dimming duty only changes when the 8MSB are written.
Channel 13 PWM Dimming Duty Setting Register (MSB)
Addr: 0x30
Bits
Bit Name
Access
Default
Description
7:0
PWM13[11:4]
R/W
11111111
Channel 13 LED current PWM dimming duty setting register,
8MSB. The dimming duty only changes when the 8MSB are written.
Channel 14 LED Current Setting Register
Addr: 0x31
Bits
Bit Name
Access
Default
Description
7:6
RESERVED
R
00
Reserved.
5:0
ICH14[5:0]
R/W
111111
Channel 14 LED current analog dimming register. The current can
be calculated with the following equation:
LED
Code
I
=
ISET
63
Channel 14 PWM Dimming Duty Setting Register (LSB)
Addr: 0x32
Bits
Bit Name
Access
Default
Description
7:4
RESERVED
R
0000
Reserved.
3:0
PWM14[3:0]
R/W
1111
Channel 14 LED current PWM dimming duty setting register, 4LSB.
The dimming duty only changes when the 8MSB are written.
Channel 14 PWM Dimming Duty Setting Register (MSB)
Addr: 0x33
Bits
Bit Name
Access
Default
Description
7:0
PWM14[11:4]
R/W
11111111
Channel 14 LED current PWM dimming duty setting register, 8MSB.
The dimming duty only changes when the 8MSB are written.
Channel 15 LED Current Setting Register
Addr: 0x34
Bits
Bit Name
Access
Default
Description
7:6
RESERVED
R
00
Reserved.
5:0
ICH15[5:0]
R/W
111111
Channel 15 LED current analog dimming register. The current can
be calculated with the following equation:
LED
Code
I
=
ISET
63



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