AS3645 austriamicrosystems, AS3645 Datasheet - Page 21

• Manufacturer Part Number: AS3645
• Description: 1000/720ma Ultra Small High Efficient Single/dual Led Flash Driver With Safety Features
• Manufacturer: austriamicrosystems

AS3645
Datasheet - D e t a i l e d D e s c r i p t i o n
Table 9.
Table 10.
www.austriamicrosystems.com
7:6
2:0
Bit
Bit
3
Indicator/Flash
Current Set
assist_light_current
Addr: 2
Addr: 3
ind_current
led_det_on
Bit Name
Bit Name
Register
TimerRegister (Continued)
Default Access
Default Access
00
1h
1
This register defines Indicator Current and Flash Timeouts
R/W
R/W
R/W
Revision 1.6
This register defines the Current Settings
00
01
10
11
0h
1h
2h
3h
4h
5h
6h
7h
0
1
Define the current on pin LED_OUT in assist light and
Define the current on pin IND_OUT in indicator mode
Indicator/Flash Timer
Enables the led amount detection (single/dual LED)
external torch mode (only used in I
Current Set
boost_current=0
Number of LEDs detection disabled
Number of LEDs detection enabled
100mA
120mA
140mA
160mA
20mA
40mA
60mA
80mA
Register
Description
Description
I
I
I
I
IND_OUT
IND_OUT
IND_OUT
IND_OUT
Register
= 2.5mA
= 5.0mA
= 7.5mA
= 10mA
(120mA) - don’t use
(160mA) - don’t use
(40mA) - don’t use
(80mA) - don’t use
boost_current=1
2
C mode)
200mA
240mA
280mA
320mA
1
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