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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 (PEN) 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: S/19.70 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 S/19.70 S/14.87 S/13.70 S/12.42 View Reel S/11.21 S/11.83 S/11.21 S/11.21 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: S/6.58 1,709In 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	1,709In Stock	Cut Tape S/6.58 S/4.83 S/4.40 S/3.93 View Reel S/3.51 S/3.67 S/3.53 S/3.51 S/3.51 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: S/17.59 718In 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	718In Stock	Cut Tape S/17.59 S/13.27 S/12.18 S/11.02 S/10.67 Reel S/10.67 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: S/15.49 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 S/15.49 S/11.68 S/10.74 S/9.69 View Reel S/8.60 S/9.19 S/9.15 S/8.60 S/8.60 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: S/17.32 1,179In 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	1,179In Stock	Cut Tape S/17.32 S/13.12 S/12.11 S/10.94 Reel S/9.34 View S/10.59 S/9.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551CDWKR Texas Instruments 1: S/12.92 2,097In 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	2,097In Stock	S/12.92 S/9.50 S/8.64 S/7.67 View S/7.24 S/7.12 S/6.85 S/4.55 S/4.24	Min.: 1 Mult.: 1
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551DQDWKRQ1 Texas Instruments 1: S/17.32 927In 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	927In Stock	Cut Tape S/17.32 S/13.12 S/12.11 S/10.94 Reel S/9.34 View S/10.39 S/10.35 S/10.00 S/9.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Optically Isolated Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551ADWR Texas Instruments 1: S/6.58 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 S/6.58 S/4.83 S/4.40 S/3.93 View Reel S/3.51 S/3.67 S/3.53 S/3.51 S/3.51 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: S/17.67 58In Stock 8,000Expected 10/19/2026	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 10/19/2026	Cut Tape S/17.67 S/13.39 S/12.34 S/10.94 Reel S/9.34 View S/10.39 S/10.35 S/10.00 S/9.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551DDWKR Texas Instruments 1: S/6.58 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 S/6.58 S/4.83 S/4.40 S/3.93 Reel S/3.23 View S/3.66 S/3.53 S/3.50 S/3.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers 4A/6A 5kVRMS dual-ch annel isolated gate UCC21551BDWKR Texas Instruments 1: S/6.58 145In 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	145In Stock 4,000Expected 2/4/2027	Cut Tape S/6.58 S/4.83 S/4.40 S/3.93 Reel S/3.29 View S/3.67 S/3.53 S/3.51 S/3.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gate Drivers Automotive 4A/6A 5k VRMS dual-channel is UCC21551CQDFJRQ1 Texas Instruments 1: S/19.70 41In Stock 2,000Expected 1/7/2027 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 1/7/2027	Cut Tape S/19.70 S/14.83 S/13.62 S/12.30 S/11.76 Reel S/9.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

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