BD6062GU_11 ROHM [Rohm], BD6062GU_11 Datasheet - Page 10

• Manufacturer Part Number: BD6062GU_11
• Description: Chopper type for Flash
• Manufacturer: ROHM [Rohm]

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BD6062GU
ii) Register control interface(3wired) mode (timer disable)
If flash period is over tFLASH2 setting, flash current driver will enable to turn off.
Protect time is controlled by flash ON timer resister setting.
iii) Direct control interface mode
iv) The voltage of VFB is as follows, (in DC/DC on)
Torch mode  350mV
Flash mode  350mV
(Address : 00 (H), D[0])
(Address : 00 (H), D[1])
FLASH (Pin)
TORCH (Pin)
I
(0mA)
LED
I
(0mA)
Torch
Flash
LED
Fig.30 3wired mode Torch and Flash Timing (Timer disable)
Fig.31 Direct Control mode Torch and Flash Timing
ILED1 : Torch Current Driver
ILED2 : Flash Current Driver
tFLASH2
There is LED protect function in this mode.
Flash period is over 500ms, then this mode turn off flash.
I
200mA
LED1
I
800mA
LED2
: Flash period protect
t
FLASH2
500ms
10/15
Technical Note
2011.05 - Rev.B