ZHCSIA7 May   2018 DLPA4000

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      系统方框图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 SPI Timing Parameters
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Description
    3. 7.3 Feature Description
      1. 7.3.1 Supply and Monitoring
        1. 7.3.1.1 Supply
        2. 7.3.1.2 Monitoring
          1. 7.3.1.2.1 Block Faults
          2. 7.3.1.2.2 Low Battery and UVLO
          3. 7.3.1.2.3 Thermal Protection
      2. 7.3.2 Illumination
        1. 7.3.2.1 Programmable Gain Block
        2. 7.3.2.2 LDO Illumination
        3. 7.3.2.3 Illumination Driver A
        4. 7.3.2.4 External MOSFETs
          1. 7.3.2.4.1 Gate series resistor (RG)
          2. 7.3.2.4.2 Gate series diode (DG)
          3. 7.3.2.4.3 Gate parallel capacitance (CG)
        5. 7.3.2.5 RGB Strobe Decoder
          1. 7.3.2.5.1 Break Before Make (BBM)
          2. 7.3.2.5.2 Openloop Voltage
          3. 7.3.2.5.3 Transient Current Limit
        6. 7.3.2.6 Illumination Monitoring
          1. 7.3.2.6.1 Power Good
          2. 7.3.2.6.2 RatioMetric Overvoltage Protection
      3. 7.3.3 External Power MOSFET Selection
        1. 7.3.3.1 Threshold Voltage
        2. 7.3.3.2 Gate Charge and Gate Timing
        3. 7.3.3.3 On-resistance RDS(on)
      4. 7.3.4 DMD Supplies
        1. 7.3.4.1 LDO DMD
        2. 7.3.4.2 DMD HV Regulator
        3. 7.3.4.3 DMD/DLPC Buck Converters
        4. 7.3.4.4 DMD Monitoring
          1. 7.3.4.4.1 Power Good
          2. 7.3.4.4.2 Overvoltage Fault
      5. 7.3.5 Buck Converters
        1. 7.3.5.1 LDO Bucks
        2. 7.3.5.2 General Purpose Buck Converters
        3. 7.3.5.3 Buck Converter Monitoring
          1. 7.3.5.3.1 Power Good
          2. 7.3.5.3.2 Overvoltage Fault
      6. 7.3.6 Auxiliary LDOs
      7. 7.3.7 Measurement System
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 SPI
      2. 7.5.2 Interrupt
      3. 7.5.3 Fast-Shutdown in Case of Fault
      4. 7.5.4 Protected Registers
      5. 7.5.5 Writing to EEPROM
    6. 7.6 Register Maps
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Component Selection for General-Purpose Buck Converters
    3. 8.3 System Example With DLPA4000 Internal Block Diagram
  9. 9 Power Supply Recommendations
    1. 9.1 Power-Up and Power-Down Timing
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 LED Driver
        1. 10.1.1.1 PowerBlock Gate Control Isolation
        2. 10.1.1.2 VIN to PowerBlocks
        3. 10.1.1.3 Return Current from LEDs and RSense
        4. 10.1.1.4 RC Snubber
        5. 10.1.1.5 Capacitor Choice
      2. 10.1.2 General Purpose Buck 2
      3. 10.1.3 SPI Connections
      4. 10.1.4 RLIM Routing
      5. 10.1.5 LED Connection
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 器件命名规则
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12机械、封装和可订购信息
    1. 12.1 Package Option Addendum
      1. 12.1.1 Packaging Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.1 Absolute Maximum Ratings

Over operating free-air temperature (unless otherwise noted).(1)
MIN MAX UNIT
Voltage ILLUM_A,B_BOOST –0.3 28 V
ILLUM_A,B_BOOST (10 ns transient) –0.3 30
ILLUM_A,B_BOOST vs ILLUM_A,B_SWITCH –0.3 7
ILLUM_LSIDE_DRIVE –0.3 7
ILLUM_HSIDE_DRIVE –2 28
ILLUM_A_BOOST vs ILLUM_HSIDE_DRIVE -0.3 7
ILLUM_A,B_SW –2 22
ILLUM_A,B_SW (10 ns transient) –3 27
PWR_VIN, PWR1_VIN, PWR2_VIN, PWR3_VIN, PWR4_VIN, PWR5_VIN, PWR6_VIN, PWR7_VIN, VINA, ILLUM_VIN, ILLUM_A,B_VIN, DRST_VIN –0.3 22
PWR1_BOOST, PWR2_BOOST, PWR5_BOOST, PWR6_BOOST, PWR7_BOOST –0.3 28
PWR1_BOOST, PWR2_BOOST, PWR5_BOOST, PWR6_BOOST, PWR7_BOOST (10 ns transient) –0.3 30
PWR1_SWITCH, PWR2_SWITCH, PWR5_SWITCH, PWR6_SWITCH, PWR7_SWITCH –2 22
PWR1_SWITCH, PWR2_SWITCH, PWR5_SWITCH, PWR6_SWITCH, PWR7_SWITCH (10 ns transient) –3 27
PWR1_FB, PWR2_FB, PWR5_FB, PWR6_FB, PWR7_FB –0.3 6.5
PWR1_BOOST, PWR2_BOOST, PWR5_BOOST, PWR6_BOOST, PWR7_BOOST vs PWR1_SWITCH, PWR2_SWITCH, PWR5_SWITCH, PWR6_SWITCH, PWR7_SWITCH –0.3 6.5
CH1_SWITCH, CH2_SWITCH, CH3_SWITCH, DRST_LS_IND, ILLUM_A,B_FB –0.3 20
ILLUM_A,B_COMP1, ILLUM_A,B_COMP2, INT_Z, PROJ_ON –0.3 7
DRST_HS_IND –18 7
ACMPR_IN_1, ACMPR_IN_2, ACMPR_IN_3, ACMPR_REF, ACMPR_IN_LABB, ACMPR_LABB_SAMPLE, ACMPR_OUT –0.3 3.6
SPI_VIN, SPI_CLK, SPI_MOSI, SPI_SS_Z, SPI_MISO, CH_SEL_0, CH_SEL_1, RESET_Z –0.3 3.6
RLIM_K_1, RLIM_K_2, RLIM_1, RLIM_2 –0.3 3.6
DGND, AGND, DRST_PGND, ILLUM_A,B_PGND, PWR1_PGND, PWR2_PGND, PWR5_PGND, PWR6_PGND, PWR7_PGND, RLIM_BOT_K_1, RLIM_BOT_2 –0.3 0.3
DRST_5P5V, ILLUM_5P5V, PWR_5P5, PWR3_OUT, PWR4_OUT, SUP_5P0V –0.3 7
CH1 _GATE_CTRL,CH2_GATE_CTRL, CH3_GATE_CTRL –0.3 7
CLK_OUT –0.3 3.6
CW_SPEED_PWM –0.3 7
SUP_2P5V –0.3 3.6
DMD_VOFFSET –0.3 12
DMD_VBIAS –0.3 20
DMD_VRESET –18 7
Source current RESET_Z, ACMPR_OUT 1 mA
SPI_DOUT 5.5
Sink current RESET_Z, ACMPR_OUT 1 mA
SPI_DOUT, INT_Z 5.5
Tstg Storage temperature –65 150 ºC
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
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