AS1170 datasheet(35/53 Pages) OSRAM

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AS1170

Datasheet

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Addr: 1

Current set LED1 register

Bit

Bit name

Default

Access

Bit description

9Ch

551 mA - default setting

...

FEh

896.5 mA (996.1 mA(2) if current_boost=1)

FFh

900 mA (1000 mA(2) if current_boost=1)

(1) This register defines design versions.

(2) Do not use current_boost=1 for currents <= 900 mA.

8.3

Current set LED2 register

Table 9: Current set LED2 register

Addr: 2

Current set LED2 register

Bit

Bit name

Default

Access

Bit description

7:0

led_current2

9Ch

R/W

Define the current on pin LED_OUT2 in flash mode assist mode

uses bits 6:0 of this current setting (max. half of full current setting)

indicator or low current pwm mode uses only 5:0 of this current

setting (max. 1/4 of full current setting).

Value

Description

0 mA

3.5 mA

7.1 mA

...

3Fh

222.4 mA (maximum current for indicator or low current

pwm mode, mode_setting=01)

...

7Fh

448.2 mA (maximum current for assist light mode,

mode_setting=10)

...

9Ch

551 mA - default

...

FEh

896.5 mA (996.1 mA(2) if current_boost=1)

FFh

900 mA (1000 mA(2) if current_boost=1)

(1) This register defines LED currents.

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