ZHCSIF5G December   2015  – July 2024 TPS99000-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics—Transimpedance Amplifier Parameters
    6. 5.6  Electrical Characteristics—Digital to Analog Converters
    7. 5.7  Electrical Characteristics—Analog to Digital Converter
    8. 5.8  Electrical Characteristics—FET Gate Drivers
    9. 5.9  Electrical Characteristics—Photo Comparator
    10. 5.10 Electrical Characteristics—Voltage Regulators
    11. 5.11 Electrical Characteristics—Temperature and Voltage Monitors
    12. 5.12 Electrical Characteristics—Current Consumption
    13. 5.13 Power-Up Timing Requirements
    14. 5.14 Power-Down Timing Requirements
    15. 5.15 Timing Requirements—Sequencer Clock
    16. 5.16 Timing Requirements—Host and Diagnostic Port SPI Interface
    17. 5.17 Timing Requirements—ADC Interface
    18. 5.18 Switching Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Illumination Control
        1. 6.3.1.1 Illumination System High Dynamic Range Dimming Overview
        2. 6.3.1.2 Illumination Control Loop
        3. 6.3.1.3 Continuous Mode Operation
          1. 6.3.1.3.1 Output Capacitance in Continuous Mode
          2. 6.3.1.3.2 Continuous Mode Driver Distortion and Blanking Current
          3. 6.3.1.3.3 Continuous Mode S_EN2 Dissipative Load Shunt Options
          4. 6.3.1.3.4 Continuous Mode Constant OFF Time
          5. 6.3.1.3.5 Continuous Mode Current Limit
        4. 6.3.1.4 Discontinuous Mode Operation
          1. 6.3.1.4.1 Discontinuous Mode Pulse Width Limit
          2. 6.3.1.4.2 COMPOUT_LOW Timer in Discontinuous Operation
          3. 6.3.1.4.3 Dimming Within Discontinuous Operation Range
          4. 6.3.1.4.4 Multiple Pulse Heights to Increase Bit Depth
          5. 6.3.1.4.5 TIA Gain Adjustment
          6. 6.3.1.4.6 Current Limit in Discontinuous Mode
          7. 6.3.1.4.7 CMODE Big Cap Mode in Discontinuous Operation
      2. 6.3.2 Over-Brightness Detection
        1. 6.3.2.1 Photo Feedback Monitor BIST
        2. 6.3.2.2 Excessive Brightness BIST
      3. 6.3.3 Analog to Digital Converter
        1. 6.3.3.1 Analog to Digital Converter Input Table
      4. 6.3.4 Power Sequencing and Monitoring
        1. 6.3.4.1 Power Monitoring
      5. 6.3.5 DMD Mirror Voltage Regulator
      6. 6.3.6 Low Dropout Regulators
      7. 6.3.7 System Monitoring Features
        1. 6.3.7.1 Windowed Watchdog Circuits
        2. 6.3.7.2 Die Temperature Monitors
        3. 6.3.7.3 External Clock Ratio Monitor
      8. 6.3.8 Communication Ports
        1. 6.3.8.1 Serial Peripheral Interface (SPI)
    4. 6.4 Device Functional Modes
      1. 6.4.1 OFF
      2. 6.4.2 STANDBY
      3. 6.4.3 POWERING_DMD
      4. 6.4.4 DISPLAY_RDY
      5. 6.4.5 DISPLAY_ON
      6. 6.4.6 PARKING
      7. 6.4.7 SHUTDOWN
    5. 6.5 Register Maps
      1. 6.5.1 System Status Registers
      2. 6.5.2 ADC Control
      3. 6.5.3 General Fault Status
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 HUD
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Application Design Considerations
          1. 7.2.1.2.1 Photodiode Considerations
          2. 7.2.1.2.2 LED Current Measurement
          3. 7.2.1.2.3 Setting the Current Limit
          4. 7.2.1.2.4 Input Voltage Variation Impact
          5. 7.2.1.2.5 Discontinuous Mode Photo Feedback Considerations
          6. 7.2.1.2.6 Transimpedance Amplifiers (TIAs, Usage, Offset, Dark Current, Ranges, RGB Trim)
      2. 7.2.2 Headlight
        1. 7.2.2.1 Design Requirements
  9. 8 Power Supply Recommendations
    1. 8.1 TPS99000-Q1 Power Supply Architecture
    2. 8.2 TPS99000-Q1 Power Outputs
    3. 8.3 Power Supply Architecture
  10. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 Power/High Current Signals
      2. 9.1.2 Sensitive Analog Signals
      3. 9.1.3 High-Speed Digital Signals
      4. 9.1.4 High Power Current Loops
      5. 9.1.5 Kelvin Sensing Connections
      6. 9.1.6 Ground Separation
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

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5.5 Electrical Characteristics—Transimpedance Amplifier Parameters

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
TIA1 AND TIA2
IIN_TOTTIA1 and TIA2 Combined Input Current07(3)mA
TRANSIMPEDANCE AMPLIFIER #1 (TIA1)
IINTIA Input CurrentRGB trim <= 0.5x(1)00.64.8mA
CINTotal Input Capacitance(2)Allowable input capacitances from board, connectors, photo diode, and cables1050140pF
TRIMRGBRGB Trim, normal flux system0.20.51V/V
GAINTOLABSTIA Gain Tolerance (absolute)Tolerance to specified gain target per setting–20%20%
GAINTOLRELTIA Gain Tolerance (relative)Tolerance as a ratio to other settings3%
TIA1 SLEW RATE
TIASLEW1Low Gain Slew Rate, Output Referred<= 96kV/A gain12V/µs
TIASLEW2High Gain Slew Rate, Output Referred> 96kV/A gain5V/µs
TIADELAYTIA Pad to COMPOUT Pad Delay, DM min, Falling Edgemax slew rate input, 20pF load, 100mV minimum over trip point4064ns
TIADELAYCMTIA Pad to COMPOUT Delay. CMCM max current100ns
TIA1 EFFECTIVE GAIN
Gain Setting 0Trim set to 1.00.60.750.9kV/A
Gain Setting 1Trim set to 1.01.21.51.8kV/A
Gain Setting 2Trim set to 1.02.433.6kV/A
Gain Setting 3Trim set to 1.04.867.2kV/A
Gain Setting 4Trim set to 1.07.2910.8kV/A
Gain Setting 5Trim set to 1.09.61214.4kV/A
Gain Setting 6Trim set to 1.014.41821.6kV/A
Gain Setting 7Trim set to 1.019.22428.8kV/A
Gain Setting 8Trim set to 1.028.83643.2kV/A
Gain Setting 9Trim set to 1.038.44857.6kV/A
Gain Setting 10Trim set to 1.057.67286.4kV/A
Gain Setting 11Trim set to 1.076.896115.2kV/A
Gain Setting 12Trim set to 1.0115.2144172.8kV/A
Gain Setting 13Trim set to 1.0230.4288345.6kV/A
TRANSIMPEDANCE AMPLIFIER #2 (TIA2)
IINTIA Input CurrentRGB trim <= 0.5x(1)04.8mA
TRIMRGBRGB Trim, normal flux system0.21V/V
TIA2 SLEW RATE
TIA2SLEWSlew Rate, Output ReferredAll gains 1V/µs
TIA2 EFFECTIVE GAIN
Gain Setting 0Trim set to 1.00.60.750.9kV/A
Gain Setting 1Trim set to 1.01.21.51.8kV/A
Gain Setting 2Trim set to 1.02.433.6kV/A
Gain Setting 3Trim set to 1.04.867.2kV/A
Gain Setting 4Trim set to 1.07.2910.8kV/A
Gain Setting 5Trim set to 1.09.61214.4kV/A
Gain Setting 6Trim set to 1.014.41821.6kV/A
Gain Setting 7Trim set to 1.019.22428.8kV/A
Gain Setting 8Trim set to 1.028.83643.2kV/A
Gain Setting 9Trim set to 1.038.44857.6kV/A
Gain Setting 10Trim set to 1.057.67286.4kV/A
Gain Setting 11Trim set to 1.076.896115.2kV/A
Gain Setting 12Trim set to 1.0115.2144172.8kV/A
Gain Setting 13Trim set to 1.0230.4288345.6kV/A
(1) Maximum input current decreases linearly in proportion to the selected trim value, with a lower maximum value of 2.4mA occurring when the trim is 1.0×.
(2) Large capacitive loads could impact system performance.
(3) For applications requiring greater than 7mA combined TIA current, contact TI for details.
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