BD9415FS
3.5.3 LED SHORT Detection
PWM1~4
LED1=Normal
Condition
LED1=Normal
Condition
LED1=SHORT
LED1=SHORT
6V
6V
VLED1
6V
VLED2~4
Internal signal
(SHORT DET)
Mask
(4counts)
16384
<
Ab
normal
16384count
16384count
count
Mask
Internal signal
(Abnormal Count)
(3counts)
ILED1
ILED2~4
FAILB
LED1 = OFF
LED1 = OFF
131072count
131072count
Internal signal
AUto Restart
Count Start
(131072count)
(Auto Restart)
Abnormal
Counting
Abnormal
Counting
Abnormal
Counting
Normal
LED1 = OFF
LED1 = OFF
IC State
Normal
Normal
Judge Fail
Judge OK
Figure 26. LED SHORT Detection
www.rohm.com
TSZ02201-0F2F0C100140-1-2
23.May.2016 Rev.001
© 2015 ROHM Co., Ltd. All rights reserved.
23/30
TSZ22111・15・001
ROHM [ ROHM ]
