ZHCSOR4 December   2021 LP5862

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Time-Multiplexing Matrix
      2. 8.3.2 Analog Dimming (Current Gain Control)
      3. 8.3.3 PWM Dimming
      4. 8.3.4 ON and OFF Control
      5. 8.3.5 Data Refresh Mode
      6. 8.3.6 Full Addressable SRAM
      7. 8.3.7 Protections and Diagnostics
    4. 8.4 Device Functional Modes
    5. 8.5 Programming
    6. 8.6 Register Maps
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Application
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
      4. 9.2.4 Program Procedure
      5. 9.2.5 Application Performance Plots
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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订购信息

7.5 Electrical Characteristics

VCC = 3.3V, VLED = 3.8V, VIO = 1.8V and TA = –40°C to +85°C (TA = –55°C to +125°C for LP5860MRKPR, LP5864MRSMR, and LP5866MDBTR); Typical values are at TA = 25°C (unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Power supplies
VCC Device supply voltage 2.7 5.5 V
VUVR Undervoltage restart VCC rising, Test mode 2.5 V
VUVF Undervoltage shutdown VCC falling, Test mode 1.9 V
VUV_HYS Undervoltage shutdown hysteresis 0.3 V
VCAP Internal LDO output VCC = 2.7 V to 5.5 V 1.78 V
ICC Shutdown supply current ISHUTDOWN VEN = 0 V, CHIP_EN = 0 (bit), measure the total current from VCC and VLED 0.1 1 µA
Standby supply current ISTANDBY VEN = 3.3 V, CHIP_EN = 0 (bit), measure the total current from VCC and VLED 5.5 10 µA
Active mode supply current INORMAL VEN = 3.3 V, CHIP_EN = 1 (bit), all channels IOUT = 5 mA (MC = 1, CC = 127, DC = 256), measure the current from VCC 4.3 6 mA
VLED LED supply voltage 2.7 5.5 V
VVIO VIO supply voltage 1.65 5.5 V
IVIO VIO supply current Interface idle 5 µA
Output Stages
ICS Constant current sink output range (CS0 – CS17) 2.7 V <= VCC < 3.3 V, PWM = 100% 0.1 40 mA
VCC >= 3.3 V PWM = 100% 0.1 50 mA
ILKG Leakage current (CS0 – CS17) channels off, up_deghost = 0, VCS = 5 V 0.1 1 µA
IERR_DD Device to device current error, IERR_DD = (IAVE – ISET) / ISET ×100% All channels ON. Current set to 0.1 mA. MC = 0 CC = 42 DC = 25 PWM = 100% –7 7 %
All channels ON. Current set to 1 mA. MC = 2 CC = 127 DC = 25 PWM = 100% –5 5 %
All channels ON. Current set to 10 mA. MC = 2 CC = 127 DC = 255 PWM = 100% –3.5 3.5 %
All channels ON. Current set to 25 mA. MC = 7 CC = 64 DC = 255 PWM = 100% –3.5 3.5 %
All channels ON. Current set to 50 mA. MC = 7 CC = 127 DC = 255 PWM = 100% –3 3 %
IERR_CC Channel to channel current error, IERR_CC  = (IOUTX – IAVE) / IAVE ×100% All channels ON. Current set to 0.1 mA. MC = 0 CC = 42 DC = 25 PWM = 100% –5.5 5.5 %
All channels ON. Current set to 1 mA. MC = 2 CC = 127 DC = 25 PWM = 100% –5 5 %
All channels ON. Current set to 10 mA. MC = 2 CC = 127 DC = 255 PWM = 100% –4 4 %
All channels ON. Current set to 25 mA. MC = 7 CC = 64 DC = 255 PWM = 100% –3.5 3.5 %
All channels ON. Current set to 50 mA. MC = 7 CC = 127 DC = 255 PWM = 100% –3 3 %
fPWM LED PWM frequency PWM_Fre = 1, PWM = 100% 62.5 KHz
PWM_Fre = 0, PWM = 100% 125 KHz
VSAT Output saturation voltage IOUT = 50 mA, decreasing output voltage, when the LED current has dropped 5% 0.45 V
IOUT = 30 mA, decreasing output voltage, when the LED current has dropped 5% 0.4 V
IOUT = 10 mA, decreasing output voltage, when the LED current has dropped 5% 0.35 V
RSW High-side PMOS ON resistance VLED = 2.7 V, ISW = 200 mA 450 550 mΩ
VLED = 2.7 V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 450 570 mΩ
VLED = 3.8 V, ISW = 200 mA 380 500 mΩ
VLED = 3.8 V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 380 520 mΩ
VLED = 5 V, ISW = 200 mA 310 450 mΩ
VLED = 5 V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 310 490 mΩ
Logic Interfaces
VLOGIC_IL Low-level input voltage, SDA, SCL, SCLK, MOSI, SS, ADDRx, VSYNC, IFS 0.3 × VIO V
VLOGIC_IH High-level input voltage, SDA, SCL, SCLK, MOSI, SS, ADDRx, VSYNC, IFS 0.7 × VIO V
VEN_IL Low-level input voltage of EN 0.4 V
VEN_IH High-level input voltage of EN When VCAP powered up 1.4 V
ILOGIC_I Input current, SDA, SCL, SCLK, MOSI, SS, ADDRx –1 1 µA
VLOGIC_OL Low-level output voltage, SDA, MISO IPULLUP = 3 mA 0.4 V
VLOGIC_OH High-level output voltage, MISO IPULLUP = –3 mA 0.7 × VIO V
Protection Circuits
VLOD_TH Threshold for channel open detection 0.25 V
VLSD_TH Threshold for channel short detection VLED – 1 V
TTSD Thermal-shutdown junction temperature 150 °C
THYS Thermal shutdown temperature hysteresis 15 °C
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