MP3331-2A SYNCHRONOUS BOOST FLASH LED DRIVER WITH I

MP3331 Rev. 1.02

www.MonolithicPower.com

21

5/3/2016

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Table 9: Actual Flash LED Current Register

Addr: 0x08

Bit

Bit Name

Access

Default

Description

7:6

NA

R

NA

Reserved.

5:0

IFL_ACT

R

000000

The actual flash current in flash mode. It can be

read only during flash.

0 to 2000mA, 31.7mA/step.

000000 = 0mA; 000001= 31.7mA …111111 =

2000mA.

Table 10: Minimum Flash LED Current Register

Addr: 0x09

Bit

Bit Name

Access

Default

Description

7:6

NA

R

NA

Reserved.

5:0

IFL_MIN

R

000000

The minimum flash current caused by low battery

voltage current reduction in flash mode.

0 to 2000mA, 31.7mA/step.

000000 = 0mA; 000001= 31.7mA … 111111 =

2000mA.

Table 11: LED Torch Current Setting Register

Addr: 0x0A

Bit

Bit Name

Access

Default

Description

7:6

NA

R

NA

Reserved.

5:0

I_TOR

RW

001000

LED torch current setting bits.

0 to 508mA, 31.7mA/step.

000000 = 0mA, 000001= 31.7mA …010000 =

508mA.

(Default 001000 = 254mA)