ZHCSKA3D September   2019  – November 2023 UCC21750-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety Limiting Values
    8. 6.8  Electrical Characteristics
    9. 6.9  Safety-Related Certifications
    10. 6.10 Switching Characteristics
    11. 6.11 Insulation Characteristics Curves
    12. 6.12 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Propagation Delay
      1. 7.1.1 Regular Turn-OFF
    2. 7.2 Input Deglitch Filter
    3. 7.3 Active Miller Clamp
      1. 7.3.1 Internal On-Chip Active Miller Clamp
    4. 7.4 Undervoltage Lockout (UVLO)
      1. 7.4.1 VCC UVLO
      2. 7.4.2 VDD UVLO
    5. 7.5 Desaturation (DESAT) Protection
      1. 7.5.1 DESAT Protection with Soft Turn-OFF
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Power Supply
      2. 8.3.2  Driver Stage
      3. 8.3.3  VCC and VDD Undervoltage Lockout (UVLO)
      4. 8.3.4  Active Pulldown
      5. 8.3.5  Short Circuit Clamping
      6. 8.3.6  Internal Active Miller Clamp
      7. 8.3.7  Desaturation (DESAT) Protection
      8. 8.3.8  Soft Turn-Off
      9. 8.3.9  Fault (FLT, Reset, and Enable (RST/EN)
      10. 8.3.10 Isolated Analog to PWM Signal Function
    4. 8.4 Device Functional Modes
  10. 9 Applications 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 Input Filters for IN+, IN–, and RST/EN
        2. 9.2.2.2 PWM Interlock of IN+ and IN–
        3. 9.2.2.3 FLT, RDY, and RST/EN Pin Circuitry
        4. 9.2.2.4 RST/EN Pin Control
        5. 9.2.2.5 Turn-On and Turn-Off Gate Resistors
        6. 9.2.2.6 Overcurrent and Short Circuit Protection
        7. 9.2.2.7 Isolated Analog Signal Sensing
          1. 9.2.2.7.1 Isolated Temperature Sensing
          2. 9.2.2.7.2 Isolated DC Bus Voltage Sensing
        8. 9.2.2.8 Higher Output Current Using an External Current Buffer
      3. 9.2.3 Application Curves
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 接收文档更新通知
    4. 12.4 支持资源
    5. 12.5 Trademarks
    6. 12.6 静电放电警告
    7. 12.7 术语表
  14. 13Mechanical, Packaging, and Orderable Information

5 Pin Configuration and Functions

GUID-D6D4F95A-8BC2-4CD1-97E9-B519E7136F9C-low.gif Figure 5-1 UCC21750-Q1DW SOIC (16) Top View
Table 5-1 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.
DESAT 2 I Desaturation current protection input. 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. Bypass with 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.
CLMPI 7 I Internal Active miller clamp, connecting this pin directly to the gate of the power transistor. Leave floating or tie to VEE if unused.
VEE 8 P Negative supply rail for gate drive voltage. Bypass with 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 over current 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 DESAT 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 regular turn-off, if terminal EN is set to low.
VCC 15 P Input power supply from 3 V to 5.5 V. Bypass with 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
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