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UCCx8C4x/UCCx8C4x-Q1 Current-Mode PWM Controllers

Texas Instruments UCCx8C4x/UCCx8C4x-Q1 Current-Mode PWM Controllers are enhanced BiCMOS versions with pin-for-pin compatibility to the industry standard UC28C4x family PWM controllers. These devices provide the necessary features to control fixed frequency and peak current mode power supplies. This family offers several performance advantages. These devices provide high-frequency operation up to 1MHz with low start-up and operating currents, thus minimizing start-up loss and low operating power consumption for improved efficiency. The devices also feature a fast current sense, an output delay time of 35ns, and a ±1A peak output current capability with improved rise and fall times for driving large external MOSFETs directly. The Texas Instruments UCCx8C4x-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.
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C44D UCC38C44DR Texas Instruments 1: $1.05 3,079In Stock	Mfr. Part No. UCC38C44DR Mouser Part No 595-UCC38C44DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C44D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	3,079In Stock	Cut Tape $1.05 $0.76 $0.686 $0.605 Reel $0.513 View $0.566 $0.543 $0.528 $0.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C41D UCC28C41DR Texas Instruments 1: $0.95 280In Stock 2,500Expected 07/06/2027	Mfr. Part No. UCC28C41DR Mouser Part No 595-UCC28C41DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C41D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	280In Stock 2,500Expected 07/06/2027	Cut Tape $0.95 $0.693 $0.63 $0.56 Reel $0.461 View $0.527 $0.511 $0.451 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Current 8 Pin Current Mode AL ALT 595-UCC28C42DR UCC28C42DRG4 Texas Instruments 1: $1.13 543In Stock	Mfr. Part No. UCC28C42DRG4 Mouser Part No 595-UCC28C42DRG4	Texas Instruments	Switching Controllers BiCMOS Low-Current 8 Pin Current Mode AL ALT 595-UCC28C42DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	543In Stock	Cut Tape $1.13 $0.81 $0.729 $0.641 View Reel $0.595 $0.60 $0.596 $0.595 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C44D UCC28C44DR Texas Instruments 1: $1.24 41In Stock 7,500Expected 22/02/2027	Mfr. Part No. UCC28C44DR Mouser Part No 595-UCC28C44DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C44D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	41In Stock 7,500Expected 22/02/2027	Cut Tape $1.24 $0.89 $0.802 $0.708 Reel $0.569 View $0.65 $0.624 $0.611 $0.557 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C44DR UCC28C44DRG4 Texas Instruments 1: $1.24 43In Stock 5,000Expected 18/02/2027	Mfr. Part No. UCC28C44DRG4 Mouser Part No 595-UCC28C44DRG4	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C44DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	43In Stock 5,000Expected 18/02/2027	Cut Tape $1.24 $0.89 $0.802 $0.705 View Reel $0.639 $0.659 $0.64 $0.639 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C45DR UCC28C45DRG4 Texas Instruments 1: $1.24 1,261In Stock 2,500Expected 04/02/2027	Mfr. Part No. UCC28C45DRG4 Mouser Part No 595-UCC28C45DRG4	Texas Instruments	AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C45DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	1,261In Stock 2,500Expected 04/02/2027	Cut Tape $1.24 $0.89 $0.802 $0.705 View Reel $0.547 $0.659 $0.645 $0.547 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C41D UCC38C41DR Texas Instruments 1: $0.93 1,467In Stock	Mfr. Part No. UCC38C41DR Mouser Part No 595-UCC38C41DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C41D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	1,467In Stock	Cut Tape $0.93 $0.669 $0.603 $0.53 Reel $0.438 View $0.496 $0.475 $0.459 $0.427 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C42DR UCC38C42DRG4 Texas Instruments 1: $1.07 1,578In Stock	Mfr. Part No. UCC38C42DRG4 Mouser Part No 595-UCC38C42DRG4	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C42DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	1,578In Stock	Cut Tape $1.07 $0.77 $0.693 $0.61 Reel $0.504 View $0.57 $0.546 $0.528 $0.492 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43D UCC38C43DR Texas Instruments 1: $1.05 686In Stock	Mfr. Part No. UCC38C43DR Mouser Part No 595-UCC38C43DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	686In Stock	Cut Tape $1.05 $0.754 $0.707 Reel $0.484 $0.473 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C45D UCC38C45DR Texas Instruments 1: $1.05 2,244In Stock 7,500Expected 12/11/2026	Mfr. Part No. UCC38C45DR Mouser Part No 595-UCC38C45DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C45D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	2,244In Stock 7,500Expected 12/11/2026	Cut Tape $1.05 $0.76 $0.686 $0.605 Reel $0.493 View $0.566 $0.543 $0.528 $0.482 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
AC/DC Converters BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C43D UCC28C43DR Texas Instruments 1: $1.23 44,095On Order	Mfr. Part No. UCC28C43DR Mouser Part No 595-UCC28C43DR	Texas Instruments	AC/DC Converters BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C43D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	44,095On Order On Order Ship Dates Mfr. No: UCC28C43DR Stock: 0 On Order: 11,595 Expected 13/11/2026 15,000 Expected 23/11/2026 17,500 Expected 15/03/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.23 $0.889 $0.801 $0.704 Reel $0.583 View $0.658 $0.63 $0.61 $0.569 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C41DGK UCC28C41DGKR Texas Instruments 1: $2.54 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC28C41DGKR Mouser Part No 595-UCC28C41DGKR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC28C41DGK Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $2.54 $1.88 $1.72 $1.54 Reel $1.33 View $1.46 $1.40 $1.35 $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C43DGKR UCC28C43DGKRG4 Texas Instruments 2,500: $0.518 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC28C43DGKRG4 Mouser Part No 595-UCC28C43DGKRG4	Texas Instruments	AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C43DGKR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $0.518	Min.: 2,500 Mult.: 2,500 : 2,500
AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C43DR UCC28C43DRG4 Texas Instruments 1: $1.23 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC28C43DRG4 Mouser Part No 595-UCC28C43DRG4	Texas Instruments	AC/DC Converters BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC28C43DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $1.23 $0.889 $0.801 $0.704 Reel $0.583 View $0.658 $0.63 $0.61 $0.569 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode UCC38C41DGK Texas Instruments 1,000: $1.37 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC38C41DGK Mouser Part No 595-UCC38C41DGK	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	$1.37 $1.36 $1.33	Min.: 1,000 Mult.: 100
Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C41DR UCC38C41DRG4 Texas Instruments 2,500: $0.521 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC38C41DRG4 Mouser Part No 595-UCC38C41DRG4	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C41DR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $0.521	Min.: 2,500 Mult.: 2,500 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42DGK UCC38C42DGKR Texas Instruments 2,500: $1.82 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC38C42DGKR Mouser Part No 595-UCC38C42DGKR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42DGK Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $1.82 $1.78	Min.: 2,500 Mult.: 2,500 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C43DGKR UCC38C43DGKRG4 Texas Instruments 2,500: $1.32 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC38C43DGKRG4 Mouser Part No 595-UCC38C43DGKRG4	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode ALT 595-U ALT 595-UCC38C43DGKR Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $1.32 $1.28	Min.: 2,500 Mult.: 2,500 : 2,500
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C45DGK UCC38C45DGKR Texas Instruments 2,500: $1.89 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. UCC38C45DGKR Mouser Part No 595-UCC38C45DGKR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C45DGK Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $1.89 $1.87	Min.: 2,500 Mult.: 2,500 : 2,500
AC/DC Converters Mil Enh BICMOS Low- pwr Cur-Mode PWM A 5 A 595-UCC28C43MDREP V62/07615-01XE Texas Instruments 2,500: $5.38 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. V62/07615-01XE Mouser Part No 595-V62/07615-01XE	Texas Instruments	AC/DC Converters Mil Enh BICMOS Low- pwr Cur-Mode PWM A 5 A 595-UCC28C43MDREP Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $5.38	Min.: 2,500 Mult.: 2,500 : 2,500
AC/DC Converters Mil Enh BICMOS Low- pwr Cur-Mode PWM A 5 A 595-UCC28C45MDREP V62/07615-02XE Texas Instruments 2,500: $4.21 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. V62/07615-02XE Mouser Part No 595-V62/07615-02XE	Texas Instruments	AC/DC Converters Mil Enh BICMOS Low- pwr Cur-Mode PWM A 5 A 595-UCC28C45MDREP Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $4.21	Min.: 2,500 Mult.: 2,500 : 2,500

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UCCx8C4x/UCCx8C4x-Q1 Current-Mode PWM Controllers

Types of Semiconductors