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Product Detailed Parameters
- Description：DGT ISO 1.85KV 2CH GT DVR 14SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Capacitive Coupling
- Number of Channels：2
- Voltage - Isolation：1850Vrms
- Propagation Delay tpLH / tpHL (Max)：40ns, 40ns
- Pulse Width Distortion (Max)：5.5ns
- Rise / Fall Time (Typ)：5ns, 6ns
- Current - Output High, Low：4A, 6A
- Current - Peak Output：4A
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：6V ~ 18V
- Grade：-
- Qualification：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：14-SOIC
- Common Mode Transient Immunity (Min)：100V/ns
- Approval Agency：CQC, UL, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The UCC21542ADWKR is a dual-channel reinforced isolated gate driver from Texas Instruments, housed in a 14-pin SOIC (DWK) package. It provides galvanic isolation with a maximum operating temperature of +125°C and a minimum of -40°C. The device features a maximum power dissipation of 1.775 W and supports output currents of 4A and 6A. Key electrical parameters include a maximum propagation delay of 40 ns, a rise time of 5 ns, and a fall time of 6 ns. It operates within a voltage range suitable for driving GaN and SiC devices.
Feature Summary
- Reinforced insulation capability for high-voltage isolation requirements
- Dual-channel architecture enabling independent control of two switches
- Integrated disable function for enhanced system safety and control flexibility
Applications
- Gallium Nitride (GaN) power transistor switching
- Silicon Carbide (SiC) MOSFET gate driving
- High-frequency DC-DC converter topologies
Procurement Notes
Verify the specific suffix 'ADWKR' to confirm the tape-and-reel packaging format and temperature grade. Ensure the procurement source provides the official Texas Instruments datasheet for the UCC2154x series to validate pinout compatibility and absolute maximum ratings before integration into the design.
Selection Notes
Select this component when reinforced isolation standards are required for dual-channel applications. Consider the 40 ns propagation delay and 5/6 ns transition times for high-speed switching needs. Verify that the 14-pin SOIC package fits the PCB layout constraints and that the thermal performance meets the 1.775 W dissipation limit under expected load conditions.
Part Context
This part belongs to the UCC2154x family of current-isolated gate drivers. It utilizes capacitive coupling technology to provide signal transmission across the isolation barrier. The family is designed specifically for driving wide-bandgap semiconductors, offering robust performance in noisy environments compared to traditional optocoupler solutions.
Replacement Considerations
Check for other variants within the UCC2154x family that may offer different channel counts or isolation voltages. Confirm that any substitute maintains the same SOIC-14 footprint and electrical characteristics, particularly the 4A/6A output drive strength and propagation delay specifications.
