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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)：30ns, 30ns
- Pulse Width Distortion (Max)：6ns
- Rise / Fall Time (Typ)：6ns, 7ns
- Current - Output High, Low：4A, 6A
- Current - Peak Output：-
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：14.7V ~ 25V
- 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, CSA, UR, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The UCC21521CDW is a dual-channel current-isolated gate driver from Texas Instruments, housed in a 16-pin SOIC package. It provides 5.7 kVrms isolation and supports peak output currents of 4 A and 6 A for low-side and high-side driving respectively. The device operates within a temperature range of -40°C to +125°C with a maximum power dissipation of 1.05 W. Key switching parameters include a maximum propagation delay of 30 ns, a rise time of 6 ns, and a fall time of 7 ns.
Feature Summary
- Capacitive coupling technology enables robust galvanic isolation without magnetic core saturation limitations.
- Universal configuration flexibility supports dual low-side, dual high-side, or half-bridge topologies.
- Integrated design ensures reliable operation across wide industrial temperature ranges.
Applications
- Industrial motor drives
- Solar micro-inverters
- Switched-mode power supplies
Procurement Notes
Verify the specific suffix against official Texas Instruments documentation to confirm pinout and isolation ratings. Confirm RoHS compliance status through authorized channels. Check lifecycle status as some variants may be scheduled for obsolescence. Ensure ESD handling protocols are followed during assembly due to sensitive internal circuitry.
Selection Notes
Select this component when high dv/dt immunity and compact form factor are required. Compare propagation delay specifications against system timing requirements. Evaluate thermal performance based on the 1.05 W power dissipation limit in the SOIC-16 package. Consider the 5.7 kVrms isolation voltage for safety-critical applications.
Part Context
This part belongs to the UCC2152x family of isolated gate drivers. It complements similar models like the UCC21520 by offering specific channel configurations. The CDW variant denotes a standard commercial grade SOIC-16 package. It serves as a direct replacement for legacy optocoupler-based solutions in modern power electronics.
Replacement Considerations
The UCC21520DW is a related model within the same family. Verify functional equivalence regarding channel count and isolation voltage before substitution. Ensure pin compatibility matches the target PCB footprint.
