PDF MBI6024 Data sheet ( Hoja de datos )

Número de pieza	MBI6024
Descripción	PWM-Embedded 3x4-Channel Constant-Current Sink Driver
Fabricantes	Macroblock
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No Preview Available ! Macroblock Preliminary Datasheet MBI6024 PWM-Embedded 3x4-Channel Constant-Current Sink Driver for LED Strips Features z 3x4-channel constant-current sink driver for LED strips z Constant current range: 3~45mA Shrink SOP z 3 groups of output current, each group is set by an external resistor z Sustaining voltage at output channels: 17V (max.) z Supply voltage 3V~5.5V z Embedded 16-bit PWM generator - Gray scale clock generated by the embedded oscillator - S-PWM patented technology GP: SSOP24L-150-0.64 z Two selectable modes to trade off between image quality and transmission bandwidth - 16-bit gray scale mode (with optional 8-bit dot correction) Quad Flat No-Lead - 10-bit gray scale mode (with optional 6-bit dot correction) z Reliable data transmission - Daisy-chain topology - Two-wire transmission interface - Phase-inversed output clock GFN: QFN24L-44-0.5 - Built-in buffer for long distance transmission z Flexible PWM reset modes - Auto-synchronization mode - Manual-synchronization mode z RoHS-compliant packages Application z LED strips z Mesh display z Architectural lighting ©Macroblock, Inc. 2011 6F-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30072, R.O.C. TEL: +886-3-579-0068, FAX: +886-3-579-7534, E-mail: [email protected] - 1 - October 2011, V2.00 1 page MBI6024 Block Diagram PWM-Embedded 3x4-Channel Constant-Current Sink Driver for LED Strips R-EXTA R-EXTB R-EXTC IO Regulator IO Regulator IO Regulator OUTA0 OUTB0 OUTC0 OUTA1 OUTC3 Frequency divider Oscillator PWM Counter 16/10 16/10 Buffers 16/10 SDI CKI 8/6 Decoder & Data Dispatcher Shift Register SDO CKO - 5 - October 2011, V2.00 5 Page MBI6024 PWM-Embedded 3x4-Channel Constant-Current Sink Driver for LED Strips Switching Characteristics (VDD=3.3V, Ta=25°C) Characteristics Symbo l Condition Min. Setup Time SDI–CKI↓ tSU 7.5 Typ. - Max. - Unit ns Hold Time CKI↓–SDI tHD 7.5 - - ns CKI↑–CKO↓ tPHL1 - 50 - ns CKI↓–SDO↑↓ tPHL2 - 38 - ns Propagatio n Delay Time (“H” to “L”) GCLK↑– OUTB0 , OUTA1 , OUTB2 ↓ GCLK↑– OUTC1 , OUTA3 , OUTC3 ↓ GCLK↑– OUTA0 , OUTC0 , OUTA2 ↓ tPHL3 tPHL4 tPHL5 32 40 48 40 48 56 48 56 64 ns ns ns Propagatio n Delay Time (“L” to “H”) GCLK↑– OUTB1 , OUTC2 , OUTB3 ↓ GCLK↑– OUTB0 , OUTA1 , OUTB2 ↑ GCLK↑– OUTC1 , OUTA3 , OUTC3 ↑ GCLK↑– OUTA0 , OUTC0 , OUTA2 ↑ GCLK↑– OUTB1 , OUTC2 , OUTB3 ↑ tPHL6 tPLH3 tPLH4 tPLH5 tPLH6 VLED=4V VDS=1.0V 56 64 72 VIH=VDD VIL=GND 32 40 48 IOUT=20mA RL=150Ω CL=10pF 40 48 56 C1=4.7uF C2=0.1uF C3=4.7uF 48 56 64 CCKO=8pF CSDO=8pF 56 64 72 ns ns ns ns ns Pulse Width Minimum Pulse Width of PWM CKI OUTAn ~ OUTCn tw(I) tWDM 20 - - ns 38 - - ns Rise Time CKO/SDO OUTAn ~ OUTCn tOR tOR1 3.0 6.0 9.0 12.0 18.0 24.0 ns ns Fall Time CKO/SDO OUTAn ~ OUTCn tOF tOF1 3.0 6.0 9.0 30.0 35.0 40.0 ns ns Frequency CKI* Internal Oscillator FCKI FOSC 0.2 - 10 - 24.0 - MHz *The maximum frequency may be limited by different application conditions. Please refer to the application note for details. - 11 - October 2011, V2.00 11 Page

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