Texas Instruments UCC21530 / UCC21530 Q1 Isolated Gate Driver

06/27/2019

Texas Instruments UCC21530 / UCC21530-Q1 isolated dual-channel gate driver with 4A source and 6A sink current peak current, designed to drive IGBTs and SiC MOSFETs up to 5MHz with best-in-class propagation delay and pulse width distortion . The input side of the driver is isolated from the two output drivers by a 5.7kVRMS enhanced isolation barrier with a minimum common mode transient immunity (CMTI) of 100V / ns. In addition, internal functional isolation between the two secondary side drivers allows operation up to 1850V.


The UCC21530 / UCC21530-Q1 gate driver can be configured as two low side drivers, two high side drivers or a half bridge driver with programmable dead time (DT). The EN pin is pulled low, turning off both outputs and allowing normal operation when turned on or pulled high. The primary side logic fault forces both outputs to fail safe.


Other features include a VDD supply voltage of up to 25V and a wide input VCCI range of 3V to 18V, making the drive suitable for connection to analog and digital controllers. The supply voltage pin provides undervoltage lockout (UVLO) protection. The UCC21530 / UCC21530-Q1 achieve high efficiency, high power density and robustness in a variety of power applications. The UCC21530-Q1 device is AEC-Q100 compliant and suitable for automotive applications.


Feature

• Universal: Dual low side, double side high side or half bridge driver

• Wide body SOIC-14 (DWK) package

• The spacing between the drive channels is 3.3mm

• Switch parameters:

o 19ns typical propagation delay

o 10ns minimum pulse width

o 5ns maximum delay match

o 5ns maximum pulse width distortion

• Common mode transient immunity (CMTI) is greater than 100V / ns

• Surge immunity up to 12.8kVPK

• Isolation barrier life > 40 years

• 4A peak source, 6A peak sink current output

• TTL and CMOS compatible inputs

• 3V to 18V input VCCI range

• Up to 25V VDD output drive power supply

• Programmable overlap and dead time

• reject input pulses and noise transients shorter than 5ns

• Operating temperature range: -40 to + 125 ° C

• Safety related certification

o 8000VPK isolation according to DIN V VDE V 80004-11: 2017-01 (planned)

o 5.7kVRMS isolation, 1 minute per UL 1577 minutes

o CSA certification in accordance with IEC 60950-1, IEC 62368-1, IEC 61010-1 and IEC 60601-1 terminal equipment standards (plan)

o CQC certification according to GB4943.1-2011 (planned)

Application

• Solar string and central inverter

• AC-DC and DC-DC charging piles

• AC drive and servo drive

• AC-DC and DC-DC power supply

• Energy storage system

Block diagram

TWO1


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