MP3367

– 6-CHANNEL BOOST WLED DRIVER WITH HIGH DIM RATIO AND I2C

MP3367 Rev. 1.0

www.MonolithicPower.com

19

6/17/2019

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Table 1: Function Set Register 1

Addr: 0x00

Bit

Bit Name

Access

Default

Description

7

OTID

RW

1

Over-temperature LED current decrement function enable bit.

0: Disabled

1: Enabled

6:5

MODE

RW

00

Dimming mode selection bit.

00: Mix dimming

01: PWM dimming

10: Analog dimming

11: Reserved

Float MIX/AD if this register is adopted.

4

MIXTP

RW

0

Mix dimming transfer point selection bit.

0: 25% transfer point

1:12.5% transfer point

3

MIXFR

RW

0

Mix dimming output frequency selection bit.

0: 200Hz

1: 23kHz

2:1

FSPMF1:0

RW

11

Frequency spread spectrum modulation frequency selection

bit.

00: 1/100 of central frequency

01: 1/150 of central frequency

10: 1/200 of central frequency

11: Disable the frequency spread spectrum function

Float FSP if this register is used.

0

FSPR

RW

0

Frequency spread spectrum jitter range selection bit.

0: 1/20 of central frequency

1: 1/32 of central frequency

Float FSP if this register is used.