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LDLL16ENTR Datasheet(PDF) 17 Page - STMicroelectronics

Part # LDLL16ENTR
Description  16-channel LED driver with automotive CAN FD light interface
PDF  102 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LDLL16ENTR Datasheet(HTML) 17 Page - STMicroelectronics

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Figure 10. PWM concept for DIN function group
DIN0_EN= [0]?
Yes
Duty cycle
applied on
OUTx
(1) <=PWM_DUTY_CHx * PWM_DUTY_ALL0
(2) <= PWM_FREQ_DIN0
(3) <= duty applied
DIN0 timeout
reset
(1) <= don’t care
(2) <= don’t care
(3) <= 1 (100%)
DIN0 timeout
&
DIN0 = [0]?
Duty cycle
applied on
OUTx
Yes
(1) <=PWM_DUTY_CHx * PWM_DUTY_ALL0
(2) <= PWM_FREQ_DIN0
(3) <= duty applied
No
No
DIN0 timeout
&
DIN0 = [1]?
Yes
Outx on
DIN0 timeout_not
&
DIN0 = [1]?
No
(1) <= don’t care
(2) <= don’t care
(3) <= 1 (100%)
Outx on
No
DIN0 timeout_not
&
DIN0 = [0]
Outx off
(1) <= don’t care
(2) <= don’t care
(3) <= 0 (0%)
DIN0 timeout: DIN0 = [0] > 10ms
DIN_EN_0 = [1]
DIN0
DIN0 timeout
Outx
32us
delay
DIN0 timeout
DIN0
DIN0 timeout
Outx
32us
delay
DIN0 timeout
Yes
Bus Control
DIN Control
Bus Control
Duty cycle
applied on
OUTx
32us delay
(1) <=PWM_DUTY_CHx * PWM_DUTY_ALL0
(2) <= PWM_FREQ_DIN0
(3) <= duty applied
BUS mode=1
DIN_MAP=“00“
No
(1)= PWM_Duty_Chx_Grp; (2)=PWM_Freq_Cnt_Grp; (3)=PWM_Grp
DIN_MAP=“01“
Yes
Yes
Duty cycle
applied on
OUTx
(1) <=PWM_DUTY_CHx
(2) <= PWM_FREQ_DIN0
(3) <= duty applied
LDLL16EN
Functional description
DS14111 - Rev 5
page 17/102



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