ADP1655 데이터 시트보기 (PDF) - Analog Devices

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ADP1655

Dual LED Flash Driver with I2C-Compatible Interface

Analog Devices 

Table 11. Current Set Register (Register 0x03)

Bit

R/W

Description

7:4

R/W

Flash current value setting

0000 = 200 mA

0001 = 220 mA

0010 = 240 mA

0011 = 260 mA

0100 = 280 mA

0101 = 300 mA

0110 = 320 mA (default for two LEDs)

0111 = 340 mA

1000 = 360 mA

1001 = 380 mA

1010 = 400 mA

1011 = 420 mA

1100 = 440 mA

1101 = 460 mA

1110 = 480 mA

1111 = 500 mA (default for one LED)

3

N/A

2:0

R/W

Torch and assist light current value setting

000 = 20 mA

001 = 40 mA (default)

010 = 60 mA

011 = 80 mA

100 = 100 mA

101 = 120 mA

110 = 140 mA

111 = 160 mA

Table 12. Output Mode Register (Register 0x04)

Bit

R/W

Description

7:6

R/W

Inductor peak current limit setting

00 = 1.25 A

01 = 1.5 A

10 = 1.75 A (default)

11 = 2.0 A

5

R/W

0 = edge sensitive

1 = level sensitive (default)

4

R/W

0 = TORCH not allowed

1 = TORCH allowed (default)

3

R/W

0 = LED_OUT off (default)

1 = LED_OUT on

2

R/W

0 = STROBE disabled

1 = STROBE enabled (default)

1:0

R/W

Configures LED output mode

00 = standby mode (default)

01 = reserved

10 = assist light mode

11 = flash mode

Rev. 0 | Page 17 of 24

ADP1655

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