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Product Detailed Parameters
- Description：DGTL ISO 5.7KV 2CH GT DVR 16SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Technology：Capacitive Coupling
- Number of Channels：2
- Voltage - Isolation：5700Vrms
- Propagation Delay tpLH / tpHL (Max)：40ns, 40ns
- Pulse Width Distortion (Max)：5.5ns
- Rise / Fall Time (Typ)：5ns, 6ns
- Current - Output High, Low：-
- Current - Peak Output：4A, 6A
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：9.2V ~ 18V
- Grade：-
- Qualification：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Common Mode Transient Immunity (Min)：100V/ns
- Approval Agency：CQC, UL, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The UCC21540DW is a dual-channel, galvanically isolated gate driver from Texas Instruments featuring reinforced isolation capabilities. It provides up to 4A peak source and 6A peak sink current drive with a 5700Vrms isolation voltage rating. The device operates within a supply voltage range of 6.5V to 25V and supports propagation delays as low as 45ns. It utilizes capacitive coupling for signal transmission and is housed in a wide-body SOIC-16 package designed for enhanced creepage distances.
Feature Summary
- Provides high-current drive capability with 4A source and 6A sink peaks
- Features reinforced insulation rated at 5700Vrms for safety-critical applications
- Utilizes capacitive coupling technology for robust signal isolation
Applications
- Industrial motor drives
- Inverter systems
- High-voltage power supplies
Procurement Notes
Verify the specific suffix 'DW' corresponds to the SOIC-16 wide-body package when sourcing. Confirm that the required isolation rating meets the 5700Vrms specification. Ensure the operating temperature range of -40°C to +125°C aligns with the target environment. Cross-reference the datasheet revision to ensure compatibility with existing design parameters.
Selection Notes
Select this component when reinforced isolation is mandated by safety standards. The dual-channel architecture suits half-bridge and full-bridge topologies. Consider the 3.3mm channel-to-channel spacing if PCB layout constraints require increased clearance between independent channels compared to standard packages.
Part Context
This part belongs to the UCC2154x family of isolated gate drivers. It shares functional similarities with the UCC21520 but offers distinct isolation reinforcement characteristics. The DW package variant is specifically engineered to provide wider body dimensions for improved high-voltage performance and reliability in demanding industrial environments.
Replacement Considerations
The UCC21520DW is documented as a pin-compatible alternative within the same series. Verify that the isolation ratings and drive currents of any substitute meet or exceed the original specifications before implementation.
