ZHCSEM2A August   2015  – August 2015 TLC6C5712-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and 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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power-On Reset (POR)
        1. 7.3.1.1 Start-Up or UVLO POR
        2. 7.3.1.2 Software POR
        3. 7.3.1.3 Reset POR
        4. 7.3.1.4 POR Masking
      2. 7.3.2 Error Feedback
        1. 7.3.2.1 Recovery From Error
        2. 7.3.2.2 RESET_STATUS Command
      3. 7.3.3 PWM Input
        1. 7.3.3.1 PWM Dimming
        2. 7.3.3.2 PWM Monitor
        3. 7.3.3.3 PWM Mapping
        4. 7.3.3.4 PWM MAP Register Lock
      4. 7.3.4 Constant-Current Output
        1. 7.3.4.1 Global Current Reference
        2. 7.3.4.2 Current Reference Monitor and Protection
        3. 7.3.4.3 Channel Activation Control
        4. 7.3.4.4 Individual Dot Correction Control
        5. 7.3.4.5 Output Slew-Rate Adjustment
        6. 7.3.4.6 Register Lock
        7. 7.3.4.7 Deactivated-Channel Internal Pullup
      5. 7.3.5 Advanced Diagnostics
        1. 7.3.5.1 Pre-Thermal Warning and Thermal Shutdown Protection
        2. 7.3.5.2 LED Short-to-Supply Detection
        3. 7.3.5.3 LED Short-to-GND Detection
        4. 7.3.5.4 LED Open-Load Detection
        5. 7.3.5.5 Deactivated-Channel LED Open or Short Detection
        6. 7.3.5.6 Weak LED Supply (WLS) Detection
          1. 7.3.5.6.1 Adjacent-Pin Short Detection
          2. 7.3.5.6.2 Force Error
          3. 7.3.5.6.3 Reference Resistor Open and Short Detection
          4. 7.3.5.6.4 PWM Monitor
      6. 7.3.6 Register Protection
        1. 7.3.6.1 Dot Correction Register Lock and Unlock
        2. 7.3.6.2 PWM Mapping Register Lock and Unlock
        3. 7.3.6.3 Masking Register Lock and Unlock
        4. 7.3.6.4 Miscellaneous Register Lock and Unlock
        5. 7.3.6.5 Lock Flag Indication
      7. 7.3.7 Serial Interface - SPI
      8. 7.3.8 Thermal Information
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VCC < 2.8 V (Power-On-Reset Threshold)
      2. 7.4.2 Operation With VCC ≥ 2.8 V (Power-On-Reset Threshold)
    5. 7.5 Register Maps
      1. 7.5.1  WRITE_MAP0 Register (address = 40h) [reset = 00h]
      2. 7.5.2  WRITE_MAP1 Register (address = 41h) [reset = 00h]
      3. 7.5.3  WRITE_MAP2 Register (address = 42h) [reset = 00h]
      4. 7.5.4  WRITE_MAP3 Register (address = 43h) [reset = 00h]
      5. 7.5.5  WRITE_MAP4 Register (address = 44h) [reset = 00h]
      6. 7.5.6  WRITE_MAP5 Register (address = 45h) [reset = 00h]
      7. 7.5.7  WRITE_CORR0 Register (address = 46h) [reset = 00h]
      8. 7.5.8  WRITE_CORR1 Register (address = 47h) [reset = 00h]
      9. 7.5.9  WRITE_CORR2 Register (address = 48h) [reset = 00h]
      10. 7.5.10 WRITE_CORR3 Register (address = 49h) [reset = 00h]
      11. 7.5.11 WRITE_CORR4 Register (address = 4Ah) [reset = 00h]
      12. 7.5.12 WRITE_CORR5 Register (address = 4Bh) [reset = 00h]
      13. 7.5.13 WRITE_CORR6 Register (address = 4Ch) [reset = 00h]
      14. 7.5.14 WRITE_CORR7 Register (address = 4Dh) [reset = 00h]
      15. 7.5.15 WRITE_CORR8 Register (address = 4Eh) [reset = 00h]
      16. 7.5.16 WRITE_CORR9 Register (address = 4Fh) [reset = 00h]
      17. 7.5.17 WRITE_CORR10 Register (address = 50h) [reset = 00h]
      18. 7.5.18 WRITE_CORR11 Register (address = 51h) [reset = 00h]
      19. 7.5.19 WRITE_CH_ON_MASK0 Register (address = 52h) [reset = 3Fh]
      20. 7.5.20 WRITE_CH_ON_MASK1 Register (address = 53h) [reset = 3Fh]
      21. 7.5.21 WRITE_SHORT_MASK0 Register (address = 54h) [reset = 3Fh]
      22. 7.5.22 WRITE_SHORT_MASK1 Register (address = 55h) [reset = 3Fh]
      23. 7.5.23 WRITE_SHORT_GND_MASK0 Register (address = 56h) [reset = 3Fh]
      24. 7.5.24 WRITE_SHORT_GND_MASK1 Register (address = 57h) [reset = 3Fh]
      25. 7.5.25 WRITE_OPEN_MASK0 Register (address = 58h) [reset = 3Fh]
      26. 7.5.26 WRITE_OPEN_MASK1 Register (address = 59h) [reset = 3Fh]
      27. 7.5.27 WRITE_PWM_FAULT_MASK Register (address = 60h) [reset = 3Fh]
      28. 7.5.28 RESET_POR Register (address = 61h) [reset = 00h]
      29. 7.5.29 RESET_STATUS Register (address = 62h) [reset = 00h]
      30. 7.5.30 SOFTWARE_POR Register (address = 63h) [reset = 00h]
      31. 7.5.31 WRITE_DIS_PULL_UP_0 Register (address = 64h) [reset = 00h]
      32. 7.5.32 WRITE_DIS_PULL_UP_1 Register (address = 65h) [reset = 00h]
      33. 7.5.33 WRITE_ERROR_MASK Register (address = 66h) [reset = 00h]
      34. 7.5.34 WRITE_MISC_CMD Register (address = 67h) [reset = 00h]
      35. 7.5.35 LOCK_MAP Register (address = 68h) [reset = 00h]
      36. 7.5.36 LOCK_CORR Register (address = 69h) [reset = 00h]
      37. 7.5.37 LOCK_MASK Register (address = 6Ah) [reset = 00h]
      38. 7.5.38 LOCK_MISC Register (address = 6Bh) [reset = 00h]
      39. 7.5.39 UNLOCK_MAP Register (address = 6Ch) [reset = 00h]
      40. 7.5.40 UNLOCK_CORR Register (address = 6Dh) [reset = 00h]
      41. 7.5.41 UNLOCK_MASK Register (address = 6Eh) [reset = 00h]
      42. 7.5.42 UNLOCK_MISC Register (address = 6Fh) [reset = 00h]
      43. 7.5.43 READ_MAP0 Register (address = 80h) [reset = 00h]
      44. 7.5.44 READ_MAP1 Register (address = 81h) [reset = 00h]
      45. 7.5.45 READ_MAP2 Register (address = 82h) [reset = 00h]
      46. 7.5.46 READ_MAP3 Register (address = 83h) [reset = 00h]
      47. 7.5.47 READ_MAP4 Register (address = 84h) [reset = 00h]
      48. 7.5.48 READ_MAP5 Register (address = 85h) [reset = 00h]
      49. 7.5.49 READ_CORR0 Register (address = 86h) [reset = 00h]
      50. 7.5.50 READ_CORR1 Register (address = 87h) [reset = 00h]
      51. 7.5.51 READ_CORR2 Register (address = 88h) [reset = 00h]
      52. 7.5.52 READ_CORR3 Register (address = 89h) [reset = 00h]
      53. 7.5.53 READ_CORR4 Register (address = 8Ah) [reset = 00h]
      54. 7.5.54 READ_CORR5 Register (address = 8Bh) [reset = 00h]
      55. 7.5.55 READ_CORR6 Register (address = 8Ch) [reset = 00h]
      56. 7.5.56 READ_CORR7 Register (address = 8Dh) [reset = 00h]
      57. 7.5.57 READ_CORR8 Register (address = 8Eh) [reset = 00h]
      58. 7.5.58 READ_CORR9 Register (address = 8Fh) [reset = 00h]
      59. 7.5.59 READ_CORR10 Register (address = 90h) [reset = 00h]
      60. 7.5.60 READ_CORR11 Register (address = 91h) [reset = 00h]
      61. 7.5.61 READ_CH_ON_MASK0 Register (address = 92h) [reset = 3Fh]
      62. 7.5.62 READ_CH_ON_MASK1 Register (address = 93h) [reset = 3Fh]
      63. 7.5.63 READ_SHORT_MASK0 Register (address = 94h) [reset = 3Fh]
      64. 7.5.64 READ_SHORT_MASK1 Register (address = 95h) [reset = 3Fh]
      65. 7.5.65 READ_SHORT_GND_MASK0 Register (address = 96h) [reset = 3Fh]
      66. 7.5.66 READ_SHORT_GND_MASK1 Register (address = 97h) [reset = 3Fh]
      67. 7.5.67 READ_OPEN_MASK0 Register (address = 98h) [reset = 3Fh]
      68. 7.5.68 READ_OPEN_MASK1 Register (address = 99h) [reset = 3Fh]
      69. 7.5.69 READ_SHORT_FAULT0 (address = 9Ah) [reset = 00h]
      70. 7.5.70 READ_SHORT_FAULT1 (address = 9Bh) [reset = 00h]
      71. 7.5.71 READ_SHORT_GND_FAULT0 (address = 9Ch) [reset = 00h]
      72. 7.5.72 READ_SHORT_GND_FAULT1 (address = 9Dh) [reset = 00h]
      73. 7.5.73 READ_OPEN_FAULT0 (address = 9Eh) [reset = 00h]
      74. 7.5.74 READ_OPEN_FAULT1 (address = 9Fh) [reset = 00h]
      75. 7.5.75 READ_PWM_FAULT_MASK Register (address = A1h) [reset = 3Fh]
      76. 7.5.76 READ_STATUS0 (address = A2h) [reset = 40h]
      77. 7.5.77 READ_STATUS1 (address = A3h) [reset = 00h]
      78. 7.5.78 READ_DIS_PULL_UP_0 Register (address = A4h) [reset = 00h]
      79. 7.5.79 READ_DIS_PULL_UP_1 Register (address = A5h) [reset = 00h]
      80. 7.5.80 READ_ERROR_MASK (address = A6h) [reset = 00h]
      81. 7.5.81 READ_MISC_CMD Register (address = A7h) [reset = 00h]
      82. 7.5.82 READ_ADSHORT0 (address = A8h) [reset = 00h]
      83. 7.5.83 READ_ADSHORT1 (address = A9h) [reset = 00h]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Multiple Devices Connected in Cascade
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Parallel Channels for Driving Higher Current
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档　
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

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

1 特性

  • 适用于汽车电子 应用
  • 符合 AEC-Q100 标准
    • 器件温度等级 1：环境运行温度范围为 -40°C 至 125°C
    • 器件人体放电模式 (HBM) 静电放电 (ESD) 分类等级 H3A
    • 器件组件充电模式 (CDM) ESD 分类等级 C4B
  • 12 条功率双扩散金属氧化物半导体 (DMOS) 晶体管输出通道
    • 最大恒定电流高达 75mA，可通过外部电阻进行编程
    • 最高输出电压高达 7V
    • 最高压降电压：
      • 50mA 时为 0.75V/通道
      • 75mA 时为 1.2V/通道
  • 出色的输出恒流精度：
    • 通道间的差异：< ±3%（最大值）
    • 器件间的差异：< ±3%（最大值）
    • 每通道 8 位、256 步长线性点校正
  • 支持灵活的外部脉宽调制 (PWM) 调光
    • 6 个具有频率监控功能的 PWM 输入
    • 通过串行外设接口 (SPI) 实现可编程通道映射
  • 保护和诊断
    • 相邻引脚短路检测
    • 在激活和禁用状态下可检测开路负载、短接至地以及发光二极管 (LED) 短路
    • 热预警与热关断
    • 开漏错误报告
    • LED 弱电源诊断
    • 参考电阻开路或短路检测与保护
    • 通过 SPI 寄存器锁定实现内容保护
    • SPI 完整性诊断的强制错误
  • 小型热有效的 28 引脚散热薄型小外形尺寸 (HTSSOP) 封装 PowerPAD™封装

2 应用范围

  • 仪表板信号装置指示灯
  • 面板及按钮背光照明
  • 条形图 LED
  • 变速器 PRNDL 档位指示灯
  • 连续转向指示灯

3 说明

在汽车仪表板及其他安全性能至关重要的 LED 驱动器 应用中，为了确保 LED 亮度与色温的一致性，针对多通道 LED 的性能需求日益提升。系统级安全考量因素要求检测各种故障情况，因此会加深系统的复杂程度。

TLC6C5712-Q1 器件是一款 12 通道恒定灌电流 LED 驱动器。凭借 8 位点校正功能和高精度输出电流，TLC6C5712-Q1 器件成为校正 LED 亮度和色温变化的理想解决方案。该器件针对每个组件提供高级保护和诊断功能，可提升系统级稳定性并简化面向安全的设计。六个具有可编程映射功能的 PWM 输入支持多种 LED 颜色调光配置并提供高调光比率。具有诊断功能的 16 位串行外设接口 (SPI) 支持以菊花链方式连接多个器件并简化系统级设计。

器件信息(1)

器件型号 封装 封装尺寸（标称值）
TLC6C5712-Q1 HTSSOP (28) 4.40mm x 9.70mm
  1. 要了解所有可用封装，请见数据表末尾的可订购产品附录。

典型应用电路原理图

TLC6C5712-Q1 alt_SLVSCO9.gif

4 修订历史记录

Changes from * Revision (December 2014) to A Revision

  • 已发布完整版数据表Go