See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

PW | 24

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

UCC28950QPWRQ1


Automotive 8V to 20V Full-Bridge, Phase-Shifted PWM Controller with Synchronous Rectification

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Qty.Price
1 - 9 $ 8.52
10 - 24 $ 7.66
25 - 99 $ 7.16
100 - 249 $ 6.42
250 - 499 $ 5.99
500 - 749 $ 5.21
750 - 999 $ 4.51
1000 - 9999 $ 3.89

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Texas Instruments UCC28950QPWRQ1

The UCC28950-Q1 enhanced phase-shifted controller builds upon Texas Instruments’ industry-standard UCCx895 phase-shifted controller family with enhancements that offer best-in-class efficiency in today’s high-performance power systems. The UCC28950-Q1 implements advanced control of the full bridge along with active control of the synchronous-rectifier output stage.

The primary-side signals allow programmable delays to ensure ZVS operation over wide load-current and input-voltage ranges, while the load current naturally tunes the secondary-side switching delays of the synchronous rectifiers, maximizing overall system efficiency.

The UCC28950-Q1 also offers multiple light-load management features, including burst mode and dynamic SR on/off control when transitioning in and out of discontinuous-current-mode (DCM) operation, ensuring ZVS operation is extended down to much lighter loads.

In addition, the UCC28950-Q1 includes support for peak current along with voltage-mode control, programmable switching frequency up to 1 MHz, and a wide set of protection features including cycle-by-cycle current limit, UVLO, and thermal shutdown. It is easy to arrange 90-degree phase-shifted interleaved synchronized operation between two converters.

The UCC28950-Q1 is available in a TSSOP-24 package.

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