MP3326

– 16-CHANNEL LED DRIVER WITH I2C AND SEPARATED PDIM/ADIM

MP3326 Rev. 1.0

www.MonolithicPower.com

29

1/4/2021

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Channel 11 PWM Dimming Duty Setting Register (LSB)

Addr: 0x29

Bits

Bit Name

Access

Default

Description

7:4

RESERVED

R

0000

Reserved.

3:0

PWM11[3:0]

R/W

1111

Channel 11 LED current PWM dimming duty setting register, 4LSB.

The dimming duty only changes when the 8MSB are written.

Channel 11 PWM Dimming Duty Setting Register (MSB)

Addr: 0x2A

Bits

Bit Name

Access

Default

Description

7:0

PWM11[11:4]

R/W

11111111

Channel 11 LED current PWM dimming duty setting register,

8MSB. The dimming duty only changes when the 8MSB are written.

Channel 12 LED Current Setting Register

Addr: 0x2B

Bits

Bit Name

Access

Default

Description

7:6

RESERVED

R

00

Reserved.

5:0

ICH12[5:0]

R/W

111111

Channel 12 LED current analog dimming register. The current can

be calculated with the following equation:

LED

Code

I

=

ISET

63



Channel 12 PWM Dimming Duty Setting Register (LSB)

Addr: 0x2C

Bits

Bit Name

Access

Default

Description

7:4

RESERVED

R

0000

Reserved.

3:0

PWM12[3:0]

R/W

1111

Channel 12 LED current PWM dimming duty setting register, 4LSB.

The dimming duty only changes when the 8MSB are written.

Channel 12 PWM Dimming Duty Setting Register (MSB)

Addr: 0x2D

Bits

Bit Name

Access

Default

Description

7:0

PWM12[11:4]

R/W

11111111

Channel 12 LED current PWM dimming duty setting register,

8MSB. The dimming duty only changes when the 8MSB are written.

Channel 13 LED Current Setting Register

Addr: 0x2E

Bits

Bit Name

Access

Default

Description

7:6

RESERVED

R

00

Reserved.

5:0

ICH13[5:0]

R/W

111111

Channel 13 LED current analog dimming register. The current can

be calculated with the following equation:

LED

Code

I

=

ISET

63

