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  • TPS7H500x-SP 耐辐射加固保障 2MHz 电流模式 PWM 控制器

    • ZHCSOH8F July   2021  – August 2024 TPS7H5001-SP , TPS7H5002-SP , TPS7H5003-SP , TPS7H5004-SP

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  • TPS7H500x-SP 耐辐射加固保障 2MHz 电流模式 PWM 控制器
  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison Table
  6. 5 Device Options
  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: All Devices
    6. 7.6  Electrical Characteristics: TPS7H5001-SP
    7. 7.7  Electrical Characteristics: TPS7H5002-SP
    8. 7.8  Electrical Characteristics: TPS7H5003-SP
    9. 7.9  Electrical Characteristics: TPS7H5004-SP
    10. 7.10 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  VIN and VLDO
      2. 8.3.2  Start-Up
      3. 8.3.3  Enable and Undervoltage Lockout (UVLO)
      4. 8.3.4  Voltage Reference
      5. 8.3.5  Error Amplifier
      6. 8.3.6  Output Voltage Programming
      7. 8.3.7  Soft Start (SS)
      8. 8.3.8  Switching Frequency and External Synchronization
        1. 8.3.8.1 Internal Oscillator Mode
        2. 8.3.8.2 External Synchronization Mode
        3. 8.3.8.3 Primary-Secondary Mode
      9. 8.3.9  Primary Switching Outputs (OUTA/OUTB)
      10. 8.3.10 Synchronous Rectifier Outputs (SRA and SRB)
      11. 8.3.11 Dead Time and Leading Edge Blank Time Programmability (PS, SP, and LEB)
      12. 8.3.12 Pulse Skipping
      13. 8.3.13 Duty Cycle Programmability
      14. 8.3.14 Current Sense and PWM Generation (CS_ILIM)
      15. 8.3.15 Hiccup Mode Operation (HICC)
      16. 8.3.16 External Fault Protection (FAULT)
      17. 8.3.17 Slope Compensation (RSC)
      18. 8.3.18 Frequency Compensation
      19. 8.3.19 Thermal Shutdown
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1  Switching Frequency
        2. 9.2.2.2  Output Voltage Programming Resistors
        3. 9.2.2.3  Dead Time
        4. 9.2.2.4  Leading Edge Blank Time
        5. 9.2.2.5  Soft-Start Capacitor
        6. 9.2.2.6  Transformer
        7. 9.2.2.7  Main Switching FETs
        8. 9.2.2.8  Synchronous Rectificier FETs
        9. 9.2.2.9  RCD Clamp
        10. 9.2.2.10 Output Inductor
        11. 9.2.2.11 Output Capacitance and Filter
        12. 9.2.2.12 Sense Resistor
        13. 9.2.2.13 Hiccup Capacitor
        14. 9.2.2.14 Frequency Compensation Components
        15. 9.2.2.15 Slope Compensation Resistor
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    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
  14. 重要声明
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Data Sheet

TPS7H500x-SP 耐辐射加固保障 2MHz 电流模式 PWM 控制器

本资源的原文使用英文撰写。 为方便起见，TI 提供了译文；由于翻译过程中可能使用了自动化工具，TI 不保证译文的准确性。 为确认准确性，请务必访问 ti.com 参考最新的英文版本（控制文档）。

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1 特性

  • 辐射性能：
    • 耐辐射加固保障 (RHA) 高达
      TID 100krad(Si)
    • SEL、SEB 和 SEGR
      对于 LET 的抗扰度 = 75MeV-cm2/mg
    • SET 和 SEFI 对于 LET 的
      额定抗扰度高达 75MeV-cm2/mg
    • SET 表征期间未发现控制器输出跨导事件
  • 输入电压：4V 至 14V
  • 在温度、辐射以及线路和负载调节范围内提供 0.613V +0.7%/–1% 的基准电压
  • 开关频率范围为 100kHz 至 2MHz
  • 外部时钟同步功能
  • 同步整流输出
    • TPS7H5001-SP、TPS7H5002-SP、
      TPS7H5003-SP
  • 可调死区时间
    • TPS7H5001-SP、TPS7H5002-SP
  • 可调前沿消隐时间
    • TPS7H5001-SP、TPS7H5002-SP、
      TPS7H5004-SP
  • 可配置的占空比限值
    • TPS7H5001-SP、TPS7H5002-SP、
      TPS7H5003-SP
  • 可调斜坡补偿和软启动
  • 封装选项包括 CFP 和 TSSOP

2 应用

  • 用于 FPGA、微控制器、数据转换器和 ASIC 的太空卫星负载点电源
  • 通信负载
  • 命令和数据处理
  • 卫星电力系统
TPS7H5001-SP TPS7H5002-SP TPS7H5003-SP TPS7H5004-SP TPS7H5001-SP 的典型应用TPS7H5001-SP 的典型应用

3 说明

TPS7H500x-SP 耐辐射加固保障高速 PWM 控制器系列。这些控制器提供的许多功能有助于设计面向太空应用的直流/直流转换器拓扑。控制器具有精密的内部基准 (0.613V +0.7%/-1%），可配置开关频率高达 2MHz。每个器件都提供可编程斜坡补偿和软启动功能。

TPS7H500x-SP 系列可通过 SYNC 引脚使用外部时钟来驱动，也可使用内部振荡器以用户编程的频率来驱动。此控制器系列为用户提供了各种选项，用于选择开关输出、同步整流功能、死区时间（固定或可配置）、前沿消隐时间（固定或可配置）和占空比限制。TPS7H500x-SP 系列中的每个器件均采用 22 引脚 CFP 陶瓷封装和 24 引脚 TSSOP 塑料封装。

器件信息
器件型号(1) 等级 封装尺寸
5962R1822201VXC QMLV-RHA 22 引脚陶瓷
6.21mm × 7.69mm
质量 = 415.6mg(2)
5962R1822202VXC
5962R1822203VXC
5962R1822204VXC
TPS7H5001HFT/EM 工程样片
TPS7H5002HFT/EM
TPS7H5003HFT/EM
TPS7H5004HFT/EM
5962R1822201PYE QMLP-RHA 24 引脚塑料
4.40mm × 7.80mm
质量 = 102.3mg(2)
5962R1822202PYE
5962R1822203PYE
5962R1822204PYE
5962R1822201V9A QMLV-RHA KGD 裸片
5962R1822202V9A
5962R1822203V9A
5962R1822204V9A
TPS7H5001Y/EM 工程样片
TPS7H5002Y/EM
TPS7H5003Y/EM
TPS7H5004Y/EM
(1) 有关更多信息，请查看器件选项 表。
(2) 质量误差在 ±10% 以内。

4 Device Comparison Table

DEVICE PRIMARY OUTPUTS SYNCHRONOUS RECTIFIER OUTPUTS DEAD-TIME SETTING LEADING EDGE BLANK TIME SETTING DUTY CYCLE LIMIT OPTIONS
TPS7H5001-SP 2 2 Resistor programmable Resistor programmable 50%, 75%, 100%
TPS7H5002-SP 1 1 Resistor programmable Resistor programmable 75%, 100%
TPS7H5003-SP 1 1 Fixed (50-ns typical) Fixed (50-ns typical) 75%, 100%
TPS7H5004-SP 2 0 Not applicable Resistor programmable 50%

5 Device Options

GENERIC PART NUMBER RADIATION RATING(1) GRADE(2) PACKAGE ORDERABLE PART NUMBER(3)
TPS7H5001-SP TID of 100 krad(Si) RLAT, DSEE free to LET = 75 MeV-cm2/mg QMLV-RHA 22-pin CFP HFT 5962R1822201VXC
KGD (QMLV-RHA) Die 5962R1822201V9A
QMLP-RHA 24-pin TSSOP PW 5962R1822201PYE
None Engineering sample(4) 22-pin CFP HFT TPS7H5001HFT/EM
Die TPS7H5001Y/EM
TPS7H5002-SP TID of 100 krad(Si) RLAT, DSEE free to LET = 75 MeV-cm2/mg QMLV-RHA 22-pin CFP HFT 5962R1822202VXC
KGD (QMLV-RHA) Die 5962R1822202V9A
QMLP-RHA 24-pin TSSOP PW 5962R1822202PYE
None Engineering sample(4) 22-pin CFP HFT TPS7H5002HFT/EM
Die TPS7H5002Y/EM
TPS7H5003-SP TID of 100 krad(Si) RLAT, DSEE free to LET = 75 MeV-cm2/mg QMLV-RHA 22-pin CFP HFT 5962R1822203VXC
KGD (QMLV-RHA) Die 5962R1822203V9A
QMLP-RHA 24-pin TSSOP PW 5962R1822203PYE
None Engineering sample(4) 22-pin CFP HFT TPS7H5003HFT/EM
Die TPS7H5003Y/EM
TPS7H5004-SP TID of 100 krad(Si) RLAT, DSEE free to LET = 75 MeV-cm2/mg QMLV-RHA 22-pin CFP HFT 5962R1822204VXC
KGD (QMLV-RHA) Die 5962R1822204V9A
QMLP-RHA 24-pin TSSOP PW 5962R1822204PYE
None Engineering sample(4) 22-pin CFP HFT TPS7H5004HFT/EM
Die TPS7H5004Y/EM
SN0022HFT N/A Mechanical "dummy" package (no die) 22-pin CFP HFT SN0022HFT
(1) TID is total ionizing dose and DSEE is destructive single event effects. Additional information is available in the associated TID reports and SEE reports for each product.
(2) For additional information about part grade, view SLYB235.
(3) For all available packages, see the orderable addendum at the end of the data sheet.
(4) These units are intended for engineering evaluation only. They are processed to a noncompliant flow. These units are not suitable for qualification, production, radiation testing or flight use. Parts are not warranted for performance over the full MIL specified temperature range of –55°C to 125°C or operating life.

 
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