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UCC21551/UCC21551-Q1 Isolated Gate Driver

Texas Instruments UCC21551/UCC21551-Q1 Dual-Channel Isolated Gate Driver is designed with 4A peak-source and 6A peak-sink current to drive power MOSFET, SiC, and IGBT transistors. This isolated gate driver can be configured as two low-side, two high-side, or a half-bridge driver. The input side is separated from the two output drivers by a 5kV_RMS isolation barrier, with a minimum of 125V/ns Common-Mode Transient Immunity (CMTI). The UCC21551/UCC21551-Q1 isolated gate driver enables high efficiency, high power density, and robustness in a wide variety of power applications. Typical applications include isolated converters in AC-DC and DC-DC, motor drives, inverters, and Uninterruptible Power Supplies (UPS). The UCC21551-Q1 devices are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551DQDFJRQ1 Texas Instruments 1: $5.06 873In Stock New Product	Mfr. Part # UCC21551DQDFJRQ1 Mouser Part # 595-UCC21551DQDFJRQ1 New Product	Texas Instruments	Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	873In Stock	Cut Tape $5.06 $3.82 $3.52 $3.19 View Reel $2.88 $3.04 $2.88 $2.88 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000
Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551ADWKR Texas Instruments 1: $1.69 1,718In Stock	Mfr. Part # UCC21551ADWKR Mouser Part # 595-UCC21551ADWKR	Texas Instruments	Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,718In Stock	Cut Tape $1.69 $1.24 $1.13 $1.01 View Reel $0.902 $0.943 $0.907 $0.902 $0.902 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000
Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551AQDWKRQ1 Texas Instruments 1: $4.52 1,226In Stock	Mfr. Part # UCC21551AQDWKRQ1 Mouser Part # 595-UCC21551AQDWKRQ1	Texas Instruments	Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,226In Stock	Cut Tape $4.52 $3.41 $3.13 $2.83 $2.74 Reel $2.74 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000
Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551AQDWRQ1 Texas Instruments 1: $3.98 1,562In Stock	Mfr. Part # UCC21551AQDWRQ1 Mouser Part # 595-UCC21551AQDWRQ1	Texas Instruments	Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,562In Stock	Cut Tape $3.98 $3.00 $2.76 $2.49 View Reel $2.21 $2.36 $2.35 $2.21 $2.21 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551BQDWKRQ1 Texas Instruments 1: $4.45 1,166In Stock	Mfr. Part # UCC21551BQDWKRQ1 Mouser Part # 595-UCC21551BQDWKRQ1	Texas Instruments	Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,166In Stock	Cut Tape $4.45 $3.37 $3.11 $2.81 Reel $2.40 View $2.72 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551CDWKR Texas Instruments 1: $3.32 2,335In Stock	Mfr. Part # UCC21551CDWKR Mouser Part # 595-UCC21551CDWKR	Texas Instruments	Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	2,335In Stock	$3.32 $2.44 $2.22 $1.97 View $1.86 $1.83 $1.76 $1.17 $1.09	Min.: 1 Mult.: 1
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551DQDWKRQ1 Texas Instruments 1: $4.45 945In Stock	Mfr. Part # UCC21551DQDWKRQ1 Mouser Part # 595-UCC21551DQDWKRQ1	Texas Instruments	Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	945In Stock	Cut Tape $4.45 $3.37 $3.11 $2.81 Reel $2.40 View $2.67 $2.66 $2.57 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551ADWR Texas Instruments 1: $1.69 1,594In Stock	Mfr. Part # UCC21551ADWR Mouser Part # 595-UCC21551ADWR	Texas Instruments	Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,594In Stock	Cut Tape $1.69 $1.24 $1.13 $1.01 View Reel $0.902 $0.943 $0.907 $0.902 $0.902 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000
Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551CQDWKRQ1 Texas Instruments 1: $4.54 58In Stock 8,000Expected 11/23/2026	Mfr. Part # UCC21551CQDWKRQ1 Mouser Part # 595-UCC21551CQDWKRQ1	Texas Instruments	Optically Isolated Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	58In Stock 8,000Expected 11/23/2026	Cut Tape $4.54 $3.44 $3.17 $2.81 Reel $2.40 View $2.67 $2.66 $2.57 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551DDWKR Texas Instruments 1: $1.69 1,555In Stock	Mfr. Part # UCC21551DDWKR Mouser Part # 595-UCC21551DDWKR	Texas Instruments	Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	1,555In Stock	Cut Tape $1.69 $1.24 $1.13 $1.01 Reel $0.83 View $0.941 $0.906 $0.90 $0.814 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551BDWKR Texas Instruments 1: $1.69 92In Stock 4,000Expected 2/4/2027	Mfr. Part # UCC21551BDWKR Mouser Part # 595-UCC21551BDWKR	Texas Instruments	Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	92In Stock 4,000Expected 2/4/2027	Cut Tape $1.69 $1.24 $1.13 $1.01 Reel $0.844 View $0.943 $0.907 $0.902 $0.815 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551CQDFJRQ1 Texas Instruments 1: $5.06 41In Stock 2,000Expected 11/9/2026 New Product	Mfr. Part # UCC21551CQDFJRQ1 Mouser Part # 595-UCC21551CQDFJRQ1 New Product	Texas Instruments	Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is Learn More about Texas Instruments ti ucc21551 isolated gate driver	Datasheet	41In Stock 2,000Expected 11/9/2026	Cut Tape $5.06 $3.81 $3.50 $3.16 $3.02 Reel $2.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

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