MP3336 – DUAL-CHANNEL, FLASH LED DRIVER WITH I

MP3336 Rev.1.01

www.MonolithicPower.com

22

5/16/2017

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Table 10: TX Current Setting Register for LED1

Addr: 0x08

Bit

Bit Name

Access

Default

Description

7:0

I1_TX

RW

00110011

Define the LED1 flash current in flash mode if TX is

high. 0 to 2000mA, 7.84mA/step (default 00110011 =

400mA).

00000000 = 0mA

......

11111111 = 2000mA

Table 11: TX Current Setting Register for LED2

Addr: 0x09

Bit

Bit Name

Access

Default

Description

7:0

I2_TX

RW

00110011

Define the LED2 flash current in flash mode if TX is

high. 0 to 2000mA, 7.84mA/step (default 00110011 =

400mA).

00000000 = 0mA

......

11111111 = 2000mA

Table 12: Actual Flash LED Current Register

Addr: 0x0A

Bit

Bit Name

Access

Default

Description

7:0

IFL_ACT

R

00000000

The actual flash current in flash mode. 0 to 2000mA,

7.84mA/step.

00000000 = 0mA

......

11111111 = 2000mA

Table 13: Minimum Flash LED Current Register

Addr: 0x0B

Bit

Bit Name

Access

Default

Description

7:0

IFL_MIN

R

00000000

The minimum flash current caused by low battery

voltage current reduction in flash mode. 0 to 2000mA,

7.84mA/step.

00000000 = 0mA

……

11111111 = 2000mA