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Product Detailed Parameters
- Description：AUTOMOTIVE, 4A/6A, 5-KVRMS DUAL-
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Technology：Capacitive Coupling
- Number of Channels：2
- 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：14-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：14-SOIC
- Common Mode Transient Immunity (Min)：125V/ns
- Approval Agency：UL, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The UCC21550BQDWKRQ1 is an automotive-grade, dual-channel isolated gate driver from Texas Instruments. It features programmable dead time and supports output currents of 4A and 6A. The device provides 5000Vrms reinforced isolation and operates within a temperature range of -40°C to +150°C. Key electrical parameters include a maximum propagation delay of 45ns, rise/fall times of 8ns, and a power dissipation of 950mW. It utilizes a 14-SOIC package.
Feature Summary
- Provides programmable dead time for precise switching control
- Features reinforced insulation with 5000Vrms isolation rating
- Supports high peak output currents of 4A and 6A
- Operates reliably in extreme temperatures up to 150°C
Applications
- Automotive motor drives
- Industrial inverters
- High-voltage DC-DC converters
Procurement Notes
Verify the specific suffix 'BQ' indicates the correct marking and packaging configuration for your assembly requirements. Confirm that the component meets AEC-Q100 automotive qualification standards if required for your final product certification. Ensure compatibility with your PCB footprint for the SOIC-14 package during procurement planning.
Selection Notes
Select this component when automotive reliability and high voltage isolation are critical. The programmable dead time feature distinguishes it from fixed-delay alternatives. Consider the 150°C operating limit for high-thermal environments. Verify input logic compatibility with CMOS or TTL signals before integration into the control circuit.
Part Context
This part belongs to the UCC21550x-Q1 family of dual-channel isolated gate drivers. It shares core specifications with non-automotive variants but includes enhanced qualification for automotive applications. The family emphasizes robust isolation and flexible timing control for power conversion systems.
Replacement Considerations
Direct substitutes include other UCC21550-Q1 variants with different suffixes such as UCC21550ADWKRQ1, provided the isolation rating and package match. Verify that alternative parts maintain the same 5000Vrms isolation and 4A/6A drive capability.
