S1F87110B0A Epson Electronics America, Inc., S1F87110B0A Datasheet - Page 3

• Manufacturer Part Number: S1F87110B0A
• Description: Led Controller
• Manufacturer: Epson Electronics America, Inc.

S1F87110B0A Series Technical Manual (Rev.1.0)
1. DESCRIPTIONS ..........................................................................................................1
2. FEATURES ..................................................................................................................1
3. BLOCK DIAGRAM ......................................................................................................2
4. DESCRIPTION OF BLOCK DIAGRAM .......................................................................3
5. PIN ASSIGNMENT ......................................................................................................4
6. PIN DESCRIPTION......................................................................................................5
7. OPERATIONAL AND FUNCTIONAL DESCRIPTION .................................................6
8. ABSOLUTE MAXIMUM RATINGS ............................................................................21
9. RECOMMENDED OPERATING CONDITIONS .........................................................22
10. ELECTRICAL CHARACTERISTICS .......................................................................22
11. EXTERNAL CONNECTION DIAGRAMS.................................................................24
12. EXTERNAL DIMENSIONS ......................................................................................27
7.1 Description of Function ............................................................................................................6
7.2 Activation sequence..................................................................................................................7
7.3 Operation Description...............................................................................................................8
7.4 Brightness evaluation function ................................................................................................9
7.5 Automatic luminance control .................................................................................................13
7.6 Acquisition of brightness evaluation result ..........................................................................15
7.7 Fixed brightness function (mode)..........................................................................................15
7.8 PWM output function ..............................................................................................................16
7.9 Register setting .......................................................................................................................17
7.10 I
11.1 Example of photo IC type sensor connection .....................................................................24
11.2 Example of photodiode type sensor connection ................................................................25
11.3 Example of recommended parts ..........................................................................................26
7.4.1 Connection of a sensor .........................................................................................................9
7.4.2 Brightness evaluation voltage VPD ..................................................................................... 11
7.4.3 Selection of brightness evaluation sampling cycle ..............................................................12
7.5.1 Selection of current change time for automatic luminance control ......................................13
7.5.2 Brightness evaluation - PWM duty table setting ..................................................................14
7.9.1 Function register (address 00H to 03H) ..............................................................................17
7.9.2 Brightness evaluation - PWM duty set register (address 10H to 1FH) ................................18
2
C serial interface .................................................................................................................19
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