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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：9.2V ~ 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 UCC21542DWKR is a dual-channel galvanically isolated gate driver from Texas Instruments, housed in a 16-pin SOIC package. It provides reinforced isolation with a 5.7 kVRMS rating and supports wide-body pin-to-pin compatibility with the UCC21520. The device delivers a peak source current of 4A and a peak sink current of 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 temperature range of -40°C to +125°C and has a power dissipation of 1.775 W.
Feature Summary
- Provides reinforced galvanic isolation for high-voltage switching applications
- Features wide-body package options enabling direct pin-to-pin replacement for legacy drivers
- Delivers asymmetric drive strength with optimized peak source and sink currents
Applications
- Industrial motor drives
- Solar microinverters
- High-frequency DC-DC converters
Procurement Notes
Verify the specific suffix 'DWKR' to confirm the SOIC-16 package and tape-and-reel packaging format. Ensure the design requires the 5.7 kVRMS reinforced isolation rating rather than basic isolation variants. Confirm that the 4A/6A drive capability aligns with the target load requirements. Check for RoHS compliance status as indicated in official documentation.
Selection Notes
Select this component when a dual-channel isolated driver is needed with asymmetric drive capabilities. The wide-body SOIC-16 footprint allows for easier PCB layout compared to narrow packages. Consider the 40 ns propagation delay for timing-sensitive applications. Verify that the operating temperature range meets the environmental constraints of the final assembly.
Part Context
This part belongs to the UCC2154x family of reinforced isolation dual-channel gate drivers. It is designed to replace older discrete solutions or single-channel drivers in compact designs. The family emphasizes safety through reinforced insulation barriers while maintaining high-speed performance for modern power electronics.
Replacement Considerations
The datasheet indicates pin-to-pin compatibility with the UCC21520 using the DW package variant. Verify that the replacement part matches the specific isolation voltage and drive current requirements of the original design.
