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Product Detailed Parameters
- Description：UCC21550BQDWRQ1
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Capacitive Coupling
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Propagation Delay tpLH / tpHL (Max)：45ns, 45ns
- Pulse Width Distortion (Max)：5ns
- Rise / Fall Time (Typ)：8ns, 8ns
- Current - Output High, Low：4A, 6A
- Current - Peak Output：4A, 6A
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：9.2V ~ 25V
- Grade：Automotive
- Qualification：AEC-Q100
- Operating Temperature：-40°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Common Mode Transient Immunity (Min)：125V/ns
- Approval Agency：IEC/EN/DIN, UL, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The UCC21550BQDWRQ1 is an automotive-grade, isolated dual-channel gate driver from Texas Instruments. It features a 4A peak source and 6A peak sink current capability, designed to drive power MOSFETs, SiC, GaN, and IGBTs. The device offers reinforced isolation with a 5000Vrms rating and includes programmable dead time functionality. It operates within a wide temperature range and utilizes capacitive coupling for signal transmission.
Feature Summary
- Dual-channel architecture with independent high-side and low-side outputs
- Reinforced galvanic isolation for safety-critical applications
- Programmable dead-time control to prevent shoot-through
- Automotive qualification ensuring reliability in harsh environments
Applications
- Motor drives and inverters
- Isolated DC-DC converters
- Solar microinverters
- Industrial motor control systems
Procurement Notes
Verify the specific suffix 'BQ' against the official datasheet to confirm pinout and feature set variations. Ensure the component meets AEC-Q100 grade requirements for your specific automotive application. Cross-reference the SOIC-16 package dimensions with your PCB footprint library. Confirm that the programming resistors for dead time are selected according to the manufacturer's timing calculations.
Selection Notes
Select this component when dual-channel isolation with programmable dead time is required. It is suitable for applications driving SiC or GaN devices due to its fast switching characteristics. Consider the 5000Vrms isolation voltage for high-voltage bus applications. Evaluate the 4A/6A output currents against the gate charge requirements of the target power switches.
Part Context
This part belongs to the UCC21550x-Q1 family of isolated gate drivers. It shares architectural similarities with other members like the UCC21550AQDWRQ1 but may differ in specific electrical parameters or packaging options. The family is designed for robust performance in industrial and automotive power conversion systems requiring high reliability and precise timing control.
Replacement Considerations
Check for direct substitutes within the UCC21550x-Q1 family, such as the UCC21550AQDWRQ1, ensuring functional compatibility. Verify pin-to-pin compatibility if replacing existing designs. Consult the manufacturer's selection guide for alternative parts with similar isolation ratings and drive currents.
