Cirrus-logic CS1631 Manual de usuario Pagina 1

Copyright  Cirrus Logic, Inc. 2013(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCS1630CS16312-Channel TRIAC Dimmable LED Driver ICFeatu

CS1630/3110 DS954F33.4 Thermal Resistance3.5 Absolute Maximum RatingsCharacteristics conditions:All voltages are measured with respect to GND.Note: 8.

CS1630/31DS954F3 114. TYPICAL PERFORMANCE PLOTSFigure 3. UVLO CharacteristicsFigure 4. Supply Current vs. VoltageFigure 5. Turn-on/off Threshold Vo

CS1630/3112 DS954F35. GENERAL DESCRIPTION5.1 OverviewThe CS1630 and CS1631 are high-performance offline AC/DCLED drivers for dimmable and high color r

CS1630/31DS954F3 13waveform. The information from the probe event is used tomaintain proper operation with the dimmer circuitry.5.3.5 Trailing-edge Mo

CS1630/3114 DS954F3The reference currents are the required values at ambienttemperature TA= 25ºC and dim = 100%. They are multipliedby the appropriate

CS1630/31DS954F3 155.6.2 Output BSTOUT Sense & Input IAC SenseA current proportional to boost output voltage VBST is suppliedto the IC on pin BSTO

CS1630/3116 DS954F3The CS1630/31 provides active clamp circuitry on the CLAMPpin, as shown in Figure 14.A PWM control loop ensures that the boost outp

CS1630/31DS954F3 17The buck stage is controlled by measuring current in the buckinductor and voltage on the auxiliary winding. Quasi-resonantoperation

CS1630/3118 DS954F3Figure 20 illustrates the tapped buck stage configured forseries output mode.To maintain constant output current with minimum line-

CS1630/31DS954F3 195.8.6 Output Open Circuit ProtectionOutput open circuit protection and output overvoltageprotection (OVP) are implemented by monito

CS1630/312 DS954F3TABLE OF CONTENTS1.INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CS1630/3120 DS954F3Figure 21 illustrates the functional block diagram whenconnecting an optional external NTC temperature sensor tothe eOTP circuit.Cu

CS1630/31DS954F3 21Beyond this temperature, the IC shuts down using themechanism discussed above. If the external overtemperature protection and thete

CS1630/3122 DS954F35.10.2 PLC Program Mode CharactersIn order to program the CS1630/31, a set of encodedcharacters is built from specific phase-cut wa

CS1630/31DS954F3 235.10.4 Register LockoutThe CS1630/31 provides register lockout for security againstunauthorized access to proprietary registers usi

CS1630/3124 DS954F3whether data transfer is a read or write operation. This bitshould be set to '0' to perform a write operation and '1

CS1630/31DS954F3 255.11.4 Write OperationTo perform a write operation, the master must write the 7-bitdevice address, the R/W bit, the BLK/SGL bit, an

CS1630/3126 DS954F35.12 OTP MemoryAt startup, the contents of the OTP memory are read intoshadow registers that make up a register file. Access to the

CS1630/31DS954F3 276. ONE-TIME PROGRAMMABLE (OTP) REGISTERS6.1 Registers MapAddress RA[7:0] Name Description10 0x00 Config0 Configuration 01 0x01 LOCK

CS1630/3128 DS954F349 0x31 Config17 Configuration 1750 0x32 Config18 Configuration 1851 0x33 PEAK_CUR Peak Current... ... - Reserved70 0x46

CS1630/31DS954F3 296.2 Configuration 0 (Config0) – Address 06.3 Lockout Key (LOCK0, LOCK1, LOCK2, LOCK3) – Address 1 - 4 Lockout Key is a 32-bit long-

CS1630/31DS954F3 36.ONE-TIME PROGRAMMABLE (OTP) REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276.1 Regi

CS1630/3130 DS954F36.5 Color Polynomial Coefficient (Q3, Q2, Q1, Q0) – Address 25 - 32 Coefficients of the color polynomial used to calculate the gain

CS1630/31DS954F3 316.7 Configuration 2 (Config2) – Address 3476543210CLAMP1 CLAMP0 T2COMP - - - VALLEYSW -Number Name Description[7:6] CLAMP[1:0]Confi

CS1630/3132 DS954F36.8 Configuration 3 (Config3) – Address 3576543210STRING TT_MAX1 TT_MAX0 LED_ARG IPEAK2 IPEAK1 IPEAK0 -Number Name Description[7] S

CS1630/31DS954F3 336.9 Configuration 4 (Config4) – Address 366.10 Second Stage Dim (S2DIM) – Address 37S2DIM sets the minimum dim for second stage (fl

CS1630/3134 DS954F36.12 Configuration 7 (Config7) – Address 396.13 Configuration 8 (Config8) – Address 4076543210PROBE PRCNT3 PRCNT2 PRCNT1 PRCNT0 - -

CS1630/31DS954F3 356.14 Channel 1 Output Current (CH1CUR) – Address 41CH1CUR sets the target output current for channel 1. The register value plus bit

CS1630/3136 DS954F36.17 Configuration 12 (Config12) – Address 446.18 PU Coefficient (PID) – Address 45PID sets the maximum coefficient for the second

CS1630/31DS954F3 376.20 Configuration 15 (Config15) – Address 476.21 Configuration 16 (Config16) – Address 4876543210EXIT_PH3 EXIT_PH2 EXIT_PH1 EXIT_P

CS1630/3138 DS954F36.22 Configuration 17 (Config17) – Address 496.23 Configuration 18 (Config18) – Address 5076543210DITHER RESYNC T2CH2GAIN5 T2CH2GAI

CS1630/31DS954F3 396.24 Peak Current (PEAK_CUR) – Address 51PEAK_CUR sets the boost stage peak current, which assists in configuring the boost output

CS1630/314 DS954F31. INTRODUCTIONFigure 1. CS1630/31 Block DiagramA typical schematic using the CS1630/31 IC is shown on thefront page.Startup curren

CS1630/3140 DS954F36.27 Configuration 45 (Config45) – Address 776.28 Configuration 46 (Config46) – Address 7876543210------VDIFF_LATMAX_CURNumber Name

CS1630/31DS954F3 416.29 Configuration 47 (Config47) – Address 7976543210OCP OLP OVP BOP COP LLP EEOTP IOTPNumber Name Description[7] OCPConfigures sec

CS1630/3142 DS954F36.30 Configuration 48 (Config48) – Address 806.31 Configuration 49 (Config49) – Address 8176543210OCP_BLANK3 OCP_BLANK2 OCP_BLANK1

CS1630/31DS954F3 436.32 Configuration 50 (Config50) – Address 826.33 Configuration 51 (Config51) – Address 8376543210OVP_CNT2 OVP_CNT1 OVP_CNT0 OVP_LA

CS1630/3144 DS954F36.34 Configuration 52 (Config52) – Address 8476543210COP_THRES6 COP_THRES5 COP_THRES4 COP_THRES3 COP_THRES2 COP_THRES1 COP_THRES0 C

CS1630/31DS954F3 456.35 Configuration 53 (Config53) – Address 8576543210BOP_INTEG2 BOP_INTEG1 BOP_INTEG0 BOP_THRES3 BOP_THRES2 BOP_THRES1 BOP_THRES0 B

CS1630/3146 DS954F36.36 Configuration 54 (Config54) – Address 8676543210LLP_TIME2 LLP_TIME1 LLP_TIME0 BOP_RSTART - - - -Number Name Description[7:5] L

CS1630/31DS954F3 476.37 Configuration 55 (Config55) – Address 876.38 PLC Dim (PLC_DIM) – Address 89PLC_DIM sets the second stage dim level while in PL

CS1630/3148 DS954F36.39 Configuration 58 (Config58) – Address 906.40 Configuration 59 (Config59) – Address 9176543210SHUTDWN3 SHUTDWN2 SHUTDWN1 SHUTDW

CS1630/31DS954F3 496.41 Configuration 60 (Config60) – Address 926.42 Configuration 61 (Config61) – Address 9376543210- PLC - CS_DELAY2 CS_DELAY1 CS_DE

CS1630/31DS954F3 52. PIN DESCRIPTIONPin NamePin # I/ODescriptionBSTAUX1INBoost Zero-current Detect — Boost Inductor demagnetization sensing input for

CS1630/3150 DS954F36.43 Configuration 62 (Config62) – Address 946.44 CRC Tag (CRC_TAG) – Address 102CRC Tag register used by the communication system.

CS1630/31DS954F3 516.45 Channel 1 Color Calibration 3A (CH1_CAL3A) – Address 1196.46 Channel 2 Color Calibration 3A (CH2_CAL3A) – Address 1206.47 CRC

CS1630/3152 DS954F36.48 Channel 1 Color Calibration 3B (CH1_CAL3B) – Address 1226.49 Channel 2 Color Calibration 3B (CH2_CAL3B) – Address 1236.50 CRC

CS1630/31DS954F3 536.51 Channel 1 Color Calibration 3C (CH1_CAL3C) – Address 1256.52 Channel 2 Color Calibration 3C (CH2_CAL3C) – Address 1266.53 CRC

CS1630/3154 DS954F37. PACKAGE DRAWING1. Controlling dimensions are in millimeters.2. Dimensions and tolerances per ASME Y14.5M.3. This drawing conform

CS1630/31DS954F3 558. ORDERING INFORMATION9. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Ordering Number Container AC Line Voltage Tempe

CS1630/3156 DS954F310.REVISION HISTORYRevision Date ChangesPP1 OCT 2011 Edited for contentPP2 JAN 2012 Edited for clarity and corrected typographical

CS1630/316 DS954F33. CHARACTERISTICS AND SPECIFICATIONS3.1 Electrical CharacteristicsTypical characteristics conditions: •TA=25ºC, VDD= 12V, GND = 0V•

CS1630/31DS954F3 7Notes: 1. The CS1630/31 has an internal shunt regulator that limits the voltage on the VDD pin. VZ, the shunt regulation voltage, is

CS1630/318 DS954F33.2 I2C™ Port Switching CharacteristicsTest conditions (unless otherwise specified): • Inputs: Logic 0 = GND = 0V, Logic 1 = 3.3V.•

CS1630/31DS954F3 93.3 Power Line Calibration CharacteristicsTypical characteristics conditions: •TA=25ºC, VDD= 12V, GND = 0V• All voltages are measure