ZHCSC40E February   2014  – May 2018 TPS92630-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用原理图
  4. 4 修订历史记录
  5. 5 说明 （续）
  6. 6 Pin Configuration and Functions
    1.     Pin 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 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Constant LED-Current Setting
      2. 9.3.2 PWM Control
      3. 9.3.3 FAULT Diagnostics
      4. 9.3.4 Short-Circuit Detection
      5. 9.3.5 Open-Load Detection
      6. 9.3.6 Thermal Foldback
    4. 9.4 Device Functional Modes
      1. 9.4.1 Thermal Information
      2. 9.4.2 Operation With V(VIN) < 5 V (Minimum V(VIN))
      3. 9.4.3 Operation With 5 V < V(VIN) < 9 V (Lower-Than-Normal Automotive Battery Voltage)
  10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Stoplight and Taillight Application With PWM Generator
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Step-by-Step Design Procedure
            1. 10.2.1.2.1.1 R(REF)
            2. 10.2.1.2.1.2 Duty Cycle
            3. 10.2.1.2.1.3 Input and Output Capacitors
        3. 10.2.1.3 PWM Dimming Application Curve
      2. 10.2.2 Simple Stop-Light and Taillight Application
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
          1. 10.2.2.2.1 Step-by-Step Design Procedure
            1. 10.2.2.2.1.1 R(REF)
            2. 10.2.2.2.1.2 R(Stop)
            3. 10.2.2.2.1.3 Input and Output Capacitors
      3. 10.2.3 Parallel Connection
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
          1. 10.2.3.2.1 Step-by-Step Design Procedure
            1. 10.2.3.2.1.1 R(REF)
            2. 10.2.3.2.1.2 Input and Output Capacitors
      4. 10.2.4 Alternate Parallel Connection
        1. 10.2.4.1 Design Requirements
        2. 10.2.4.2 Detailed Design Procedure
          1. 10.2.4.2.1 Step-by-Step Design Procedure
            1. 10.2.4.2.1.1 R(REF)
            2. 10.2.4.2.1.2 Input and Output Capacitors
      5. 10.2.5 High-Side PWM Dimming
        1. 10.2.5.1 Design Requirements
        2. 10.2.5.2 Detailed Design Procedure
          1. 10.2.5.2.1 Step-by-Step Design Procedure
            1. 10.2.5.2.1.1 Ratio of Resistors, R1 / R2
            2. 10.2.5.2.1.2 R1 and R2 Selection
            3. 10.2.5.2.1.3 Input and Output Capacitors
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 文档支持
      1. 13.1.1 相关文档
    2. 13.2 接收文档更新通知
    3. 13.3 社区资源
    4. 13.4 商标
    5. 13.5 静电放电警告
    6. 13.6 术语表
  14. 14机械、封装和可订购信息

6 Pin Configuration and Functions

PWP Package
16-Pin HTSSOP With PowerPAD™ Package
Top View

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
EN 2 I Enable and shut down
FAULT 6 I/O Fault pin. Leave floating if not used.
FAULT_S 7 I/O Single-LED short fault. Leave floating if not used.
GND 10 — Ground
IOUT1 16 O Current output pin. Connect to VSNS1 if not used.
IOUT2 15 O Current output pin. Connect to VSNS2 if not used.
IOUT3 14 O Current output pin. Connect to VSNS3 if not used.
PWM1 3 I PWM input and channel ON or OFF. Tie to GND if this channel is not used.
PWM2 4 I PWM input and channel ON or OFF. Tie to GND if this channel is not used.
PWM3 5 I PWM input and channel ON or OFF. Tie to GND if this channel is not used.
REF 9 O Reference resistor pin for normal current setting
TEMP 8 I/O Temperature foldback threshold program. Tie to GND if not used.
VIN 1 — Input pin – VBAT supply
VSNS1 11 I String voltage sense. Connect to IOUT1 if not used.
VSNS2 12 I String voltage sense. Connect to IOUT2 if not used.
VSNS3 13 I String voltage sense. Connect to IOUT3 if not used.
Thermal pad — — Connect to GND
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