ZHCSO95B june   2022  – may 2023 TPS1641

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Enable and Shutdown Input (EN/SHDN)
      2. 8.3.2  Overvoltage Protection (OVP)
      3. 8.3.3  Output Slew Rate and Inrush Current Control (dVdt)
      4. 8.3.4  Active Current Limiting (ILIM) With the TPS16412, TPS16413, TPS16416, and TPS16417
      5. 8.3.5  Active Power Limiting (PLIM) With the TPS16410, TPS16411, TPS16414, and TPS16415
        1. 8.3.5.1 Internal Current Limit for the TPS16410 and TPS16411
      6. 8.3.6  Overcurrent Protection (IOCP) and Blanking Time (IDLY or PDLY) for Transient Loads
      7. 8.3.7  Fast-Trip and Short-Circuit Protection
      8. 8.3.8  Analog Load Current Monitor (IMON) on the IOCP Pin
      9. 8.3.9  IN to OUT Short Detection (TPS16410, TPS16411, TPS16412, and TPS16413)
      10. 8.3.10 Thermal Shutdown and Overtemperature Protection
      11. 8.3.11 Fault Response and Indication (FLT)
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: 15-W Power Limiting for Low Power Circuits (LPCs)
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting Overvoltage Setpoints
        2. 9.2.2.2 Setting the Output Overcurrent Setpoint (IOCP)
        3. 9.2.2.3 Setting the Output Power Limit
        4. 9.2.2.4 Monitoring the Output Current
        5. 9.2.2.5 Limiting the Inrush Current and Setting the Output Slew Rate
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Accurate Power or Current Limiting at the Output of DC/DC or Flyback Converter
    4. 9.4 Best Design Practices
    5. 9.5 Power Supply Recommendations
      1. 9.5.1 Transient Protection
    6. 9.6 Layout
      1. 9.6.1 Layout Guidelines
      2. 9.6.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 静电放电警告
    5. 10.5 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

6 Pin Configuration and Functions

GUID-20210722-CA0I-FJXS-SNVL-BJ1PGQ8JVCHN-low.svgFigure 6-1 TPS16410, TPS16411, TPS16414 and TPS16415 10-Pin DRC VSON Package (Top View)
GUID-20210722-CA0I-VXWH-LBV7-B9JPS78WSBXG-low.svgFigure 6-2 TPS16412, TPS16413, TPS16416 and TPS16417 10-Pin DRC VSON Package (Top View)
Table 6-1 Pin Functions
PIN I/O(1) DESCRIPTION
NAME NO.

IN

 1 P Power input for internal FET.
Vcc 2 P Supply input for internal circuits of the device.

OVP

 3 I Overvoltage protection input. This pin can be connected to GND for disabling OVP.
FLT 4 O Active low fault output. See the FLT Pin Indication for Different Events section for different FLT pin indications.

EN/SHDN

 5 I Enable or shutdown input.
PDLY 6 I/O TPS16410, TPS16411: Input for blanking time for power limiting. Connect a capacitor to set PDLY blanking time.
IDLY TPS16412, TPS16413: Input for blanking time for current limiting. Connect a capacitor to set IDLY blanking time.

dVdT

7 I/O Output slew control input. Connect a capacitor to set the output slew rate. If not used, this pin can be left open.
PLIM 8 I/O TPS16410, TPS16411: Power limit input. Connect a resistor to set PLIM setpoint.
ILIM TPS16412, TPS16413: Current limit input. Connect a resistor to set ILIM setpoint.
IOCP/IMON 9 I/O Overcurrent protection input and current monitoring output for output current. Output current can be sensed by reading voltage on this pin. Connect a resistor to set IOCP set-point and for reading output current.
OUT 10 P Power output from internal FET.
PowerPAD/GND — G GND connection for the device.

PowerPAD™ must be connected to GND of input power supply.

Connect PowerPAD to GND plane on PCB using multiple vias for enhanced thermal performance.
(1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power
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