LM3697_15 Datasheet, PDF (20/43 Pages) Texas Instruments – High-Efficiency Three-String White LED Driver

LM3697
SNOSCS2C – NOVEMBER 2013 – REVISED OCTOBER 2015
Table 18. Control B Brightness MSB (Address 0x23)
Bits [7:0]
Control B Brightness [11:3]
Brightness MSB
(LED current ramping does not start until the MSB is written, LSB must always be written before MSB)
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Reserved
Table 19. Control Bank Enables (Address 0x24)
Bit [7:2]
Not Used
Bit [1]
Control B
Enable
0 = Disable
(default)
1 = Enable
Bit [0]
Control A
Enable
0 = Disable
(default)
1 = Enable
Bits [7:3]
Not Used
Reserved
Table 20. HVLED Open Faults (Address 0xB0)
Bit [2]
HVLED3 Open
0 = Normal Operation
1 = Open
Bit [1]
HVLED2 Open
0 = Normal Operation
1 = Open
Bit [0]
HVLED1 Open
0 = Normal Operation
1 = Open
Bits [7:3]
Not Used
Reserved
Table 21. HVLED Short Faults (Address 0xB2)
Bit [2]
HVLED3 Short
0 = Normal Operation
1 = Short
Bit [1]
HVLED2 Short
0 = Normal Operation
1 = Short
Bit [0]
HVLED1 Short
0 = Normal Operation
1 = Short
Bits [7:2]
Not Used
Reserved
Table 22. LED Fault Enable (Address 0xB4)
Bit [1]
Short Faults Enable
0 = Disable (default)
1 = Enable
Bit [0]
Open Faults Enable
0 = Disable (default)
1 = Enable
20
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