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  • UCC21732-Q1 适用于 SiC/IGBT 并具有主动保护、隔离式模拟检测和高 CMTI 的汽车类 10A 拉电流/灌电流增强型隔离式单通道栅极驱动器

    • ZHCSTU3C February   2019  – January 2024 UCC21732-Q1

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  • UCC21732-Q1 适用于 SiC/IGBT 并具有主动保护、隔离式模拟检测和高 CMTI 的汽车类 10A 拉电流/灌电流增强型隔离式单通道栅极驱动器
  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Ratings
    6. 5.6  Insulation Specifications
    7. 5.7  Safety-Related Certifications
    8. 5.8  Safety Limiting Values
    9. 5.9  Electrical Characteristics
    10. 5.10 Switching Characteristics
    11. 5.11 Insulation Characteristics Curves
    12. 5.12 Typical Characteristics
  7. 6 Parameter Measurement Information
    1. 6.1 Propagation Delay
      1. 6.1.1 Regular Turn-OFF
    2. 6.2 Input Deglitch Filter
    3. 6.3 Active Miller Clamp
      1. 6.3.1 External Active Miller Clamp
    4. 6.4 Under Voltage Lockout (UVLO)
      1. 6.4.1 VCC UVLO
      2. 6.4.2 VDD UVLO
    5. 6.5 OC (Over Current) Protection
      1. 6.5.1 OC Protection with 2-Level Turn-OFF
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Power Supply
      2. 7.3.2  Driver Stage
      3. 7.3.3  VCC and VDD Undervoltage Lockout (UVLO)
      4. 7.3.4  Active Pulldown
      5. 7.3.5  Short Circuit Clamping
      6. 7.3.6  External Active Miller Clamp
      7. 7.3.7  Overcurrent and Short Circuit Protection
      8. 7.3.8  2-Level Turn-Off
      9. 7.3.9  Fault ( FLT, Reset and Enable ( RST/EN)
      10. 7.3.10 Isolated Analog to PWM Signal Function
    4. 7.4 Device Functional Modes
  9. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Filters for IN+, IN- and RST/EN
        2. 8.2.2.2 PWM Interlock of IN+ and IN-
        3. 8.2.2.3 FLT, RDY and RST/EN Pin Circuitry
        4. 8.2.2.4 RST/EN Pin Control
        5. 8.2.2.5 Turn-On and Turn-Off Gate Resistors
        6. 8.2.2.6 External Active Miller Clamp
        7. 8.2.2.7 Overcurrent and Short Circuit Protection
          1. 8.2.2.7.1 Protection Based on Power Modules with Integrated SenseFET
          2. 8.2.2.7.2 Protection Based on Desaturation Circuit
          3. 8.2.2.7.3 Protection Based on Shunt Resistor in Power Loop
        8. 8.2.2.8 Isolated Analog Signal Sensing
          1. 8.2.2.8.1 Isolated Temperature Sensing
          2. 8.2.2.8.2 Isolated DC Bus Voltage Sensing
        9. 8.2.2.9 Higher Output Current Using an External Current Buffer
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 第三方产品免责声明
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information
  15. 重要声明
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Data Sheet

UCC21732-Q1 适用于 SiC/IGBT 并具有主动保护、隔离式模拟检测和高 CMTI 的汽车类 10A 拉电流/灌电流增强型隔离式单通道栅极驱动器

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）。

1 特性

  • 5.7kVRMS 单通道隔离式栅极驱动器
  • 符合面向汽车应用的 AEC-Q100 标准
    • 器件温度等级 1：–40°C 至 +125°C 环境工作温度范围
    • 器件 HBM ESD 分类等级 3A
    • 器件 CDM ESD 分类等级 C3
  • 高达 2121Vpk 的 SiC MOSFET 和 IGBT
  • 33V 最大输出驱动电压 (VDD-VEE)
  • ±10A 驱动强度和分离输出
  • 150V/ns 最小 CMTI
  • 具有 270ns 快速响应时间的过流保护
  • 外部有源米勒钳位
  • 发生故障时的内部 2 级关断
  • 具有 PWM 输出的隔离式模拟传感器
    • 采用 NTC、PTC 或热敏二极管的温度感应
    • 高电压直流链路或相电压
  • 过流警报 FLT 和通过 RST/EN 重置
  • 针对 RST/EN 的快速启用/禁用响应
  • 抑制输入引脚上的 <40ns 噪声瞬态和脉冲
  • RDY 上的 12V VDD UVLO（具有电源正常指示功能）
  • 具有高达 5V 的过冲/欠冲瞬态电压抗扰度的输入/输出
  • 130ns（最大）传播延迟和 30ns（最大）脉冲/器件间偏移
  • SOIC-16 DW 封装，爬电距离和间隙 > 8mm
  • 工作结温范围：-40°C 至 +150°C
  • 安全相关认证：
    • 符合 DIN EN IEC 60747-17 (VDE 0884-17) 要求的 8000VPK VIOTM 和 2121VPK VIORM 增强型隔离
    • 5700VRMS 隔离，符合 UL1577 标准且持续时长为 1 分钟

2 应用

  • 适用于 EV 的牵引逆变器
  • 车载充电器和充电桩
  • 用于 HEV/EV 的直流/直流转换器

3 说明

UCC21732-Q1 是一款电隔离单通道栅极驱动器，旨在用于 SiC MOSFET 和 IGBT，工作电压高达 2121V（直流），具有先进的保护特性、出色的动态性能和稳健性。UCC21732-Q1 具有高达 ±10A 的峰值拉电流和灌电流。

输入侧通过 SiO2 电容隔离技术与输出侧相隔离，支持高达 1.5kVRMS 的工作电压、12.8kVPK 的浪涌抗扰度，隔离栅寿命超过 40 年，并提供较低的器件间偏斜，共模噪声抗扰度 (CMTI) 大于 150V/ns。

UCC21732-Q1 包括先进的保护特性，如快速过流和短路检测、分流电流检测支持、故障报告、有源米勒钳位、输入和输出侧电源 UVLO（用于优化 SiC 和 IGBT 开关行为）和稳健性。可以利用隔离式模拟至 PWM 传感器更轻松地进行温度或电压感测，从而进一步提高驱动器的多功能性并简化系统设计工作量、尺寸和成本。

器件信息
器件型号 封装(1) 封装尺寸（标称值）
UCC21732-Q1 DW（SOIC，16） 10.3mm × 7.5mm
(1) 有关所有可选封装，请参阅 节 13。
器件引脚配置
GUID-78FF0277-FDDB-4AF8-8691-DC8B88D29D63-low.gif

4 Pin Configuration and Functions

GUID-7E4DEED9-C020-4E3A-8D26-B06175AE4835-low.gif Figure 4-1 UCC21732-Q1DW SOIC (16)Top View
Table 4-1 Pin Functions
PIN I/O(1) DESCRIPTION
NAME NO.
AIN 1 I Isolated analog sensing input, parallel a small capacitor to COM for better noise immunity. Tie to COM if unused.
OC 2 I Over current detection pin, support lower threshold for SenseFET, DESAT, and Shunt resistor sensing. Tie to COM if unused.
COM 3 P Common ground reference, connecting to emitter pin for IGBT and source pin for SiC-MOSFET
OUTH 4 O Gate driver output pull up
VDD 5 P Positive supply rail for gate drive voltage, Bypassing a >10-μF capacitor to COM to support specified gate driver source peak current capability. Place decoupling capacitor close to the pin.
OUTL 6 O Gate driver output pull down
CLMPE 7 O External Active miller clamp, connecting this pin to the gate of the external miller clamp MOSFET. Leave floating if unused.
VEE 8 P Negative supply rail for gate drive voltage. Bypassing a >10-μF capacitor to COM to support specified gate driver sink peak current capability. Place decoupling capacitor close to the pin.
GND 9 P Input power supply and logic ground reference
IN+ 10 I Non-inverting gate driver control input. Tie to VCC if unused.
IN– 11 I Inverting gate driver control input. Tie to GND if unused.
RDY 12 O Power good for VCC-GND and VDD-COM. RDY is open drain configuration and can be paralleled with other RDY signals
FLT 13 O Active low fault alarm output upon overcurrent or short circuit. FLT is in open drain configuration and can be paralleled with other faults
RST/EN 14 I The RST/EN serves two purposes:
1) Enable / shutdown of the output side. The FET is turned off by a regular turn-off, if terminal EN is set to low;
2) Resets the OC condition signaled on FLT pin. if terminal RST/EN is set to low for more than 1000 ns. A reset of signal FLT is asserted at the rising edge of terminal RST/EN.
For automatic RESET function, this pin only serves as an EN pin. Enable / shutdown of the output side. The FET is turned off by a general turn-off, if terminal EN is set to low.
VCC 15 P Input power supply from 3 V to 5.5 V, bypassing a >1-μF capacitor to GND. Place decoupling capacitor close to the pin.
APWM 16 O Isolated Analog Sensing PWM output. Leave floating if unused.
(1) P = Power, G = Ground, I = Input, O = Output

5 Specifications

 
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