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AW3643CSR Datasheet(PDF) 28 Page - Shanghai awinic technology co.,ltd

Part # AW3643CSR
Description  High Efficiency, Dual 1.5A Flash LED Driver
PDF  39 Pages
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Manufacturer  AWINIC [Shanghai awinic technology co.,ltd]
Direct Link  http://www.awinic.com.cn/index.php
Logo AWINIC - Shanghai awinic technology co.,ltd

AW3643CSR Datasheet(HTML) 28 Page - Shanghai awinic technology co.,ltd

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AW3643
Jan 2018 V1.4
www.awinic.com.cn
28
Copyright © 2016 SHANGHAI AWINIC TECHNOLOGY CO., LTD
IVFM Register (0x02)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RFU
UVLO
Circuitry
0=Disabled
(Default)
1=Enabled
IVFM Levels
000=2.9 V (Default)
001=3.0 V
010=3.1 V
011=3.2 V
100=3.3 V
101=3.4 V
110=3.5 V
111=3.6 V
IVFM
Hysteresis
0=0 mV
(Default)
1=50 mV
IVFM Mode Selection
00=Disabled
01=Stop and Hold Mode
(Default)
10=Down Mode
11=Up and Down Mode
LED1 Flash Brightness Register (0x03)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LED2 Flash Current Override
0=LED2 Flash Current is not set to LED1 Flash
Current
1=LED2 Flash Current is set to LED1 Flash Current
(Default)
LED1 Flash Brightness Levels
IFLASH(mA)≈(Brightness Code*11.72mA)+11.35mA
0000000=11.35 mA
……………
0111111=746.9 mA
(Default)
……………
1111111=1.5 A
LED2 Flash Brightness Register (0x04)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RFU
LED2 Flash Brightness Levels
IFLASH(mA)≈(Brightness Code*11.72mA)+11.35mA
0000000=11.35 mA
……………
0111111=746.9 mA
(Default)
……………
1111111=1.5 A
LED1 Torch Brightness Register (0x05)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LED2 Torch Current Override
0=LED2 Torch Current is not set to LED1 Torch
Current
1=LED2 Torch Current is set to LED1 Torch Current
(Default)
LED1 Torch Brightness Levels
ITORCH(mA)≈(Brightness Code*2.91mA)+2.55mA
0000000=2.55 mA
……………
0111111=186 mA
(Default)
……………
1111111=372 mA
LED2 Torch Brightness Register (0x06)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RFU
LED2 Torch Brightness Levels
ITORCH(mA)≈(Brightness Code*2.91mA)+2.55mA
0000000=2.55 mA
……………
0111111=186 mA
(Default)
……………
1111111=372 mA



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