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UCC21521DWR +BOM

Dual-channel gate driver

UCC21521DWR General Description

Whether used in motor drives, solar inverters, or power supplies, the UCC21521DWR provides the isolation, current drive, and protection features necessary for efficient and reliable operation. Trust in this advanced gate driver to meet the demands of your high-voltage applications with precision and durability

Key Features

  • Universal: dual low-side, dual high-side or half-bridge driver
  • Operating temperature range –40 to +125°C
  • Switching parameters:
    • 19-ns typical propagation delay
    • 10-ns minimum pulse width
    • 5-ns maximum delay matching
    • 6-ns maximum pulse-width distortion
  • Common-mode transient immunity (CMTI) greater than 100 V/ns
  • Surge immunity up to 12.8 kV
  • Isolation barrier life >40 years
  • 4-A peak source, 6-A peak sink output
  • TTL and CMOS compatible inputs
  • 3-V to 18-V input VCCI range to interface with both digital and analog controllers
  • Up to 25-V VDD output drive supply
    • 5-V, 8-V, 12-V VDD UVLO options
  • Programmable overlap and dead time
  • Rejects input pulses and noise transients shorter than 5 ns
  • Fast enable for power sequencing
  • Wide body SOIC-16 (DW) package
  • Safety-related certifications:
    • 8000-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5700-VRMS Isolation for 1 minute per UL 1577
    • CSA certification per IEC 60950-1, IEC 62368-1, IEC 61010-1 and IEC 60601-1 end equipment standards
    • CQC certification per GB4943.1-2011

Specifications

Source Content uid UCC21521DWR Pbfree Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
Date Of Intro 2016-11-04 High Side Driver YES
Interface IC Type HALF BRIDGE BASED IGBT/MOSFET DRIVER JESD-30 Code R-PDSO-G16
Moisture Sensitivity Level 2 Number of Channels 2
Number of Functions 1 Number of Terminals 16
Peak Reflow Temperature (Cel) 260 Surface Mount YES
Temperature Grade AUTOMOTIVE Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30 Number of channels 2
Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5700
Working isolation voltage (VIOWM) (Vrms) 2121 Transient isolation voltage (VIOTM) (VPK) 8000
Power switch IGBT, MOSFET, SiCFET Peak output current (A) 6
Features Enable, Programmable dead time Output VCC/VDD (max) (V) 25
Output VCC/VDD (min) (V) 6.5, 9.2, 14.7 Input VCC (min) (V) 3
Input VCC (max) (V) 18 Propagation delay time (µs) 0.019
Input threshold CMOS, TTL Operating temperature range (°C) -40 to 125
Rating Catalog Bus voltage (max) (V) 2121
Rise time (ns) 6 Fall time (ns) 7
Undervoltage lockout (typ) (V) 5, 8, 12

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