S1F87110B0A Epson Electronics America, Inc., S1F87110B0A Datasheet

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S1F87110B0A

Manufacturer Part Number
S1F87110B0A
Description
Led Controller
Manufacturer
Epson Electronics America, Inc.
Datasheet
S1F87110B0A Series
Technical Manual
Rev.1.0

Related parts for S1F87110B0A

S1F87110B0A Summary of contents

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... S1F87110B0A Series Technical Manual Rev.1.0 ...

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NOTICE No part of this material may be reproduced or duplicated in any form or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice. Seiko Epson ...

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... C serial interface .................................................................................................................19 8. ABSOLUTE MAXIMUM RATINGS ............................................................................21 9. RECOMMENDED OPERATING CONDITIONS .........................................................22 10. ELECTRICAL CHARACTERISTICS .......................................................................22 11. EXTERNAL CONNECTION DIAGRAMS.................................................................24 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 12. EXTERNAL DIMENSIONS ......................................................................................27 S1F87110B0A Series Technical Manual (Rev.1.0) Table of Contents EPSON i ...

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... Selectable brightness evaluation sampling cycle Selectable setting for brightness evaluation - PWM duty Selectable rate of change for PWM duty Interface Two-wire serial interface I Shipment package Compact and slim type WCSP (X 1.70mm×Y 2.20mm×t (0.72)mm) S1F87110B0A Series Technical Manual (Rev.1. (Max. 400kHz) slave controller EPSON 1. DESCRIPTIONS 1 ...

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... Sensor current V DDL SC XRESET 2 S1F87110 Control signal Sensor generator for processor LED driver for LED backlight Automatic luminance control algorithm 2 I C-Bus serial interface EPSON LED driver (charge pump) PWM PWM output LED driver (switching regulator) SD S1F87110B0A Series Technical Manual (Rev.1.0) ...

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... C slave controller is provided with the S1F87110. By sending specific commands from the I enabling advanced setting to this IC referred for two-wire serial interface specifications proposed by Philips. S1F87110B0A Series Technical Manual (Rev.1.0) 4. DESCRIPTION OF BLOCK DIAGRAM master to the I C controller, it serves EPSON ...

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... PWM signal output pin for LED current control Resistor RPD connect pin 2 Input power supply pin (+) Power supply pin for interface (+) Resistor RPD connect pin 1 Ground pin (0V serial clock input pin EPSON S1F87110B0A Series Technical Manual (Rev.1.0) Side View 0.3mm 0.5mm 0.4mm ...

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... B3 (4) Test pin Pin No. Pin Name (WCSP) (test1) A2 (test2) B2 S1F87110B0A Series Technical Manual (Rev.1.0) Functions Positive-side power supply pin. ≥ V Supply voltage that obtains V DD Connect a 0.1µF bypass condenser to a point near the V Positive-side input power supply pin for I ≥ V Supply voltage that obtains V DD Connect a 0.1µ ...

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... This section explains how to set the fixed brightness mode. 7.8 PWM output function This section explains how to set the PWM output. 7.9 Register allocation This section explains the register allocation interface 2 This section explains I C serial interface operations. 6 EPSON S1F87110B0A Series Technical Manual (Rev.1.0) ...

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... DD DDL 2 Power on XRESET, and clear reset. Ensure 1 msec or more for reset width 3 2 Start I C communication to this IC at least S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION ≥ V Set V in the steady state, except the DD DDL transient state at power-on. 90% ...

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... The system enters to the standby state, with the minimum power consumption. Fixed brightness mode X Fixed duty cycle PWM signal is output according to the register setting. Automatic luminance control mode 1 Variable cycle PWM signal is output according to the brightness evaluation. EPSON S1F87110B0A Series Technical Manual (Rev.1.0) Operation Mode ...

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... RPD(Ω) will generate a voltage potential difference of VPD(V)=(IPD1×1/10)×(RPD+0.1kΩ) inside the IC. Based on the VPD value, the S1F87110 determines the brightness level on the scale 16. VPD=(IPD1×1/10)×(RPD+0.1kΩ) CPD IPD1 Sensor 1 S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION RPD1 S1F87110 RPD RPD2 ...

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... RPD2=1(V) and RPD1=1(V)+VPD. The potential is RPD1=0V in the standby mode. Please minimize the wiring length between the sensor/sense resistor to the S1F87110, to avoid noise influence as much as possible. 10 RPD1 S1F87110 RPD RPD2 PDIN EPSON S1F87110B0A Series Technical Manual (Rev.1. ...

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... VPD8=0.065 VPD9=0.080 VPD10=0.150 VPD11=0.255 VPD12=0.375 VPD13=0.575 VPD14=0.905 VPD15=1.300 VPDn: Threshed of brightness n and brightness n-1 S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION Brightness evaluation Brightness 0 Dark (low sensor Brightness 1 Brightness 2 Brightness 3 Brightness 4 Brightness 5 ...

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... Brightness evaluation Sampling cycle TSAMPL register TPD1 TPD0 address 00H (D0 EPSON S1F87110B0A Series Technical Manual (Rev.1.0) PWM output PWM generation Sampling cycle TSAMPL(sec) 20.48m 40.96m 81.92m 163.84m 327.68m 655.36m (default setting) 1.310 2.621 ...

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... PWM duty change time setting table register TDW2/TUP2 TDW1/TUP1 S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION TUP TDW Registers TDW setting register TDW2 TDW1 TDW0 - R/W R/W R Duty change time (sec) ...

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... Bright (high 1DH sensor current) 1EH 1FH EPSON Register default value APWM decimal 102 102 102 102 102 S1F87110B0A Series Technical Manual (Rev.1.0) Hex ...

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... Duty(%)= CPWM(decimal)/128(decimal) Fixed brightness PWM duty set register Address Item D7 D6 Register - CPWM6 Name 01H R/W - R/W Default - value S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION 2 C, which will be explained later. (See 7.9.1 Function register.) Registers CPWM5 CPWM4 CPWM3 R/W R/W R ...

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... PWM output at TLEDON PPWM Address 02H (D5) 0 (Default value) 1 PPWM Address 02H (D5 EPSON S1F87110B0A Series Technical Manual (Rev.1.0) PWM frequency 390 (Hz) 195 (Hz) with operation mode Nch OFF output (Hi-Z) Nch ON output ( PWM output in standby mode ...

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... D7 Register Name X3 R/W R 00H Default value - Register Name - 01H R/W - Default value - Register Name - R/W - 02H Default value - Register Name - R/W - 03H Default value - S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION Registers CPWM6 CPWM5 CPWM4 CPWM3 R/W R/W R/W R ...

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... APWMD5 APWMD4 APWMD3 APWMD2 R/W R/W R APWME5 APWME4 APWME3 R/W R/W R APWMF5 APWMF4 APWMF3 R/W R/W R EPSON S1F87110B0A Series Technical Manual (Rev.1.0) Remarks APWM02 APWM01 APWM00 PWM duty setting with R/W R/W R/W brightness evaluation APWM12 APWM11 APWM10 PWM duty setting with R/W R/W R/W brightness evaluation 1 1 ...

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... The S1F87110 also captures this bit at the rising edge of SCL. The relationship between bit and transfer direction are shown below. R/W designated bit =“0”: Data wrote by I R/W designated bit =“1”: Data read by I S1F87110B0A Series Technical Manual (Rev.1.0) 7. OPERATIONAL AND FUNCTIONAL DESCRIPTION 2 C-compatible two-wire serial interface. ...

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... Designates the register address to read data. (WRITE) : Generates the START condition again. : Designates the slave address. (READ) : Reads data from the designated register address. : Generates the STOP condition from the NACK condition, and terminates the communication. EPSON S1F87110B0A Series Technical Manual (Rev.1. master and the ...

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... The absolute maximum rating is not something that guarantees the equipment's electric characteristics. Operation beyond the above rating may lead to malfunction or unrecoverable damage. Moreover, normal function may be achieved temporarily but its reliability may be significantly low. S1F87110B0A Series Technical Manual (Rev.1.0) 8. ABSOLUTE MAXIMUM RATINGS Rated Value Symbol Unit Min ...

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... Typ. Max. - 1.05 1. 0.8× DDL 0.2× DDL µA -0.5 - 0.5 µA -0.5 - 0.5 2.5 5 EPSON S1F87110B0A Series Technical Manual (Rev.1.0) V =0V SS Applicable Unit Remarks pin DDL ° =3.0V,V =1.8V,T DD DDL Applicab Remarks le pin V SAUTO=H, SCONST=L DD SCL=SDA=L, Automatic V luminance control mode, DDL RPD connected, IPD=0 V ...

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... Data hold time DTHLD Reset pulse width Reset pulse width at power txrst on Wait time after clearing txrwait reset START condition t LOW SCL t FALL SDA t t STSUP STHLD S1F87110B0A Series Technical Manual (Rev.1.0) 10. ELECTRICAL CHARACTERISTICS =3.0V,V =1.8V,T DD DDL Standard Min. Typ. Max 400 0 1 LOW ...

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... Photo IC (sensor) Sensor current S1F87110 RPD1 Backlight Sensor LED driver RPD2 processor Control signal Generation PDIN V DDL Automatic luminance control algorithm SCL 2 I C-Bus serial Interface XRESET EPSON S1F87110B0A Series Technical Manual (Rev.1.0) PWM PWM output SDA ...

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... Example of photodiode type sensor connection 3. CPD RPD Photodiode Sensor current (sensor) CV DDL S1F87110B0A Series Technical Manual (Rev.1.0) 11. EXTERNAL CONNECTION DIAGRAMS S1F87110 RPD1 Backlight Sensor LED driver RPD2 processor Control signal Generation PDIN . V DDL Automatic luminance control algorithm SCL ...

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... Take all surfaces, top, bottom and sides, of the IC chip into consideration when blocking out light. 26 Maximum Use applied voltage and and V V DDL SS DDL EPSON S1F87110B0A Series Technical Manual (Rev.1.0) Capacity value or Resistance value 0.1µF 0.1µF 0.1µF See Section 7. ...

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... EXTERNAL DIMENSIONS S1F87110B0A Series Technical Manual (Rev.1.0) 12. EXTERNAL DIMENSIONS Dimension in Milimeters Symbol Min 0. EPSON Nom. Max. 1.700 2.200 0.72 0.26 0.50 0.50 0.30 0.33 0.08 0.05 0.250 0.350 0.350 27 ...

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... AMERICA EPSON ELECTRONICS AMERICA, INC. HEADQUARTERS 2580 Orchard Parkway San Jose , CA 95131,USA Phone: +1-800-228-3964 FAX: +1-408-922-0238 SALES OFFICES Northeast 301 Edgewater Place, Suite 210 Wakefield, MA 01880, U.S.A. Phone: +1-800-922-7667 FAX: +1-781-246-5443 EUROPE EPSON EUROPE ELECTRONICS GmbH HEADQUARTERS Riesstrasse 15 80992 Munich, GERMANY Phone: +49-89-14005-0 ...

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