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                        Applications

                        Home  /  Applications  /  System Power

                        Applications

                        System Power

                        Digital dimming power supply case

                        This scheme adopts pl51wt003 chip, which integrates 16kb flash, 256byte true EEPROM, 8 + 8-way 11bit ADC, 6-way PWM and other rich resources. At the same time, pl1166a RF chip is integrated on the chip to realize wireless remote control and other functions; The scheme collects the current of each lamp bead in real time to achieve the accurate closed-loop control of lamp bead current, which can effectively avoid the problem of brightness reduction caused by long-term use of lamp beads;

                        1、 Scheme performance characteristics

                        1. The main control chip pl51wt003 has rich resources and high integration;

                        2. 11bit ADC module to collect the current of each lamp bead in real time;

                        3. 6-channel PWM output, configured with AD value to accurately control current output;

                        4. 16kb flash program space, which can optimize a variety of compensation algorithms;

                        5. Integrate RF chip to optimize design cost.

                        2、 Application block diagram

                         

                        3、 Selection table

                        Series

                        Part No.

                        Flash

                        SRAM

                        EEPROM

                        I/O

                        Timer

                        Connectivity

                        ACMP.

                        PWM

                        OPA.

                        ADC

                        Touch Key

                        DAC

                        T.S.

                        RF OSC.

                        PLL

                        Voltage

                        Temp. Range

                        2.4G T/RX

                        ICP/ICD

                        Package

                        MoQ

                        UART

                        SPI

                        I2C

                        2.4G RF SoC

                        PL51WT003B24

                        16K

                        256+1K

                        256

                        16

                        3*16b

                        1

                        1

                        1

                        1

                        6*12b

                        1

                        10*11b

                        ~14

                        1*5b

                        Y

                        12M

                        /

                        2.4-3.6

                        -40-105°

                        Y

                        ICP/ICD

                        SSOP24

                        2K Tube

                        PL51WT003S16

                        16K

                        256+1K

                        256

                        9

                        3*16b

                        1

                        1

                        1

                        1

                        4*12b

                        0

                        4*11b

                        ~8

                        1*5b

                        Y

                        12M

                        /

                        2.4-3.6

                        -40-105°

                        Y

                        ICP/ICD

                        SOP16

                        2K Tube

                        PL51WT020B24

                        4K

                        256

                        128

                        15

                        3*16b

                        1

                        1

                        1

                        1

                        4*12b

                        /

                        8*11b

                        ~13

                        /

                        Y

                        12M

                        /

                        2.0-3.6

                        -40-105°

                        Y

                        ICP

                        SSOP24

                        2K Tube

                        PL51WT020T20

                        4K

                        256

                        128

                        13

                        3*16b

                        1

                        1

                        1

                        1

                        4*12b

                        /

                        8*11b

                        ~11

                        /

                        Y

                        12M

                        /

                        2.0-3.6

                        -40-105°

                        Y

                        ICP

                        TSSOP20

                        2K Tube

                        PL51WT020S16

                        4K

                        256

                        128

                        8

                        3*16b

                        1

                        1

                        1

                        0

                        4*12b

                        /

                        2*11b

                        ~6

                        /

                        Y

                        12M

                        /

                        2.0-3.6

                        -40-105°

                        Y

                        ICP

                        SOP16

                        2K Tube


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