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AC/DC 和 DC/DC 控制器 (外部 FET)

UCC28C42-Q1

現行

車用 20V、低功耗電流模式 PWM 控制器、14.5V/9V UVLO、100% 工作週期

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UCC28C52-Q1 現行 車用 30-V、低功耗電流模式 PWM 控制器、14.5-V/9-V UVLO、100% 工作週期 Higher supply voltage, lower start-up and operating current, and better efficiency.

UCC28C42-Q1

現行
產品規格表 立即訂購

產品詳細資料

Vin (max) (V) 18 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Buck, Flyback, Forward, SEPIC Rating Automotive Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
Vin (max) (V) 18 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Buck, Flyback, Forward, SEPIC Rating Automotive Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
SOIC (D) 8 29.4 mm² 4.9 x 6
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: -40⁰C to 125⁰C
    • Device HBM classification level 2: ±2 kV
    • Device CDM classification level C4B: 750 V
  • Functional Safety-Capable
  • Operating frequency: 1 MHz Maximum
  • 50-µA standby current, 100-µA maximum
  • Low operating current of 2.3 mA at 52 kHz
  • Fast 35-ns cycle-by-cycle over-current limiting
  • ±1-A peak output current
  • Rail-to-rail output swings with 25-ns rise and 20-ns fall times
  • ±1% initial trimmed 2.5-V error amplifier reference
  • Trimmed oscillator discharge current
  • New undervoltage lockout versions
  • Create a custom design using the UCC28C4x-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: -40⁰C to 125⁰C
    • Device HBM classification level 2: ±2 kV
    • Device CDM classification level C4B: 750 V
  • Functional Safety-Capable
  • Operating frequency: 1 MHz Maximum
  • 50-µA standby current, 100-µA maximum
  • Low operating current of 2.3 mA at 52 kHz
  • Fast 35-ns cycle-by-cycle over-current limiting
  • ±1-A peak output current
  • Rail-to-rail output swings with 25-ns rise and 20-ns fall times
  • ±1% initial trimmed 2.5-V error amplifier reference
  • Trimmed oscillator discharge current
  • New undervoltage lockout versions
  • Create a custom design using the UCC28C4x-Q1 with the WEBENCH Power Designer

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers.

The UCC28C4x-Q1 family supports a fixed-frequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options. UCC28C4X-Q1 can be configured with either primary-side regulation using an auxiliary winding or secondary-side regulation with the use of an opto-coupler. This family of devices features high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and operating power consumption for improved efficiency. The devices also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability for driving large external MOSFETs directly.

The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers.

The UCC28C4x-Q1 family supports a fixed-frequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options. UCC28C4X-Q1 can be configured with either primary-side regulation using an auxiliary winding or secondary-side regulation with the use of an opto-coupler. This family of devices features high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and operating power consumption for improved efficiency. The devices also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability for driving large external MOSFETs directly.

The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.
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類型 標題 日期
* Data sheet UCC28C4x-Q1 Automotive BiCMOS Low-Power Current-Mode PWM Controllers datasheet (Rev. G) PDF | HTML 2022年 9月 12日
Application brief Designing a Robust Traction Inverter Redundant Power Supply From 800 V Battery (Rev. C) PDF | HTML 2023年 2月 16日
Functional safety information UCC28C4x-Q1 Functional Safety FIT rate, FMD, Pin FMA (Rev. A) PDF | HTML 2022年 9月 14日
Selection guide UCC28C4X-Q1 selection guide for automotive isolated DC/DC aux power applications 2019年 6月 7日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

UCC28C56EVM-066 — 適用於一次側控制 (使用 AUX 線圈) 返馳穩壓器的 UCC28C56H-Q1 評估模組

UCC28C56EVM-066 是高效率的一次側控制 (使用 AUX 線圈) 返馳輔助電源供應，適用於 EV 和 HEV 汽車動力傳動系統。該設計爲 800-V 電池系統提供 15.2-VTYP、40-W 輸出。在 125 V 到 1000 V 的輸入電壓範圍內可提供 40 W。確切的輸出電壓視負載而定。從 40-V 至 125-V 輸入，該設計將提供 20 W。EVM 採用 1700-V 碳化矽 (SiC) MOSFET，是 800-V 電池系統的理想選擇。

使用指南: PDF | HTML
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模擬型號

UCC28C42 PSpice Transient Model

SLVM049.ZIP (101 KB) - PSpice Model
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模擬型號

UCC28C42 TINA-TI Transient Start-up Reference Design

SLVM045.TSC (70 KB) - TINA-TI Reference Design
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模擬型號

UCC28C42 TINA-TI Transient Start-up Spice Model

SLVM047.TSM (9 KB) - TINA-TI Spice Model
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模擬型號

UCC28C42 TINA-TI Transient Steady State Reference Design

SLVM046.TSC (70 KB) - TINA-TI Reference Design
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模擬型號

UCC28C42 TINA-TI Transient Steady State Spice Model

SLVM048.TSM (9 KB) - TINA-TI Spice Model
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模擬型號

UCCx8C42 Unencrypted PSpice Transient Model

SLUM522.ZIP (4 KB) - PSpice Model
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參考設計

PMP30720 — 高效、超寬輸入 (20 VDC 至 375 VDC) 隔離式電源供應參考設計

This reference design uses the UCC28C42 boost controller and the UCC28780 active-clamp flyback controller to generate an isolated output of 24 V at 3.5 A over an ultra-wide input voltage range of 20 V to 375 V. The design also uses the UCC24612 synchronous rectifier controller on the secondary (...)
Test report: PDF
電路圖: PDF
參考設計

PMP10783 — 搭載 85VAC - 318VAC 輸入與 0.8A 時達 15V 輸出的 AC/DC 降壓轉換器參考設計

The PMP10783 reference design is an AC/DC buck converter. The input voltage range is 85VAC-318VAC, and has an output of 15V at 0.80A. This compact board design has an efficiency of greater than 80% at full load.
Test report: PDF
電路圖: PDF
參考設計

PMP10833 — 85-318Vin、15Vout、1Aout、AC-DC 降壓轉換器參考設計

The PMP10833RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs.  This design incorporates the UCC28C42, a current-mode PWM controller, with controllable frequencies up to 1Mhz.
Test report: PDF
電路圖: PDF
參考設計

PMP10834 — 85-265Vin、5Vout、1Aout、AC-DC 返馳轉換器參考設計

The PMP10834RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs (85VAC to 265VAC). This non-isolated Flybuck design incorporates the UCC28C42 PWM with an optocoupler feedback to provide 1% output voltage regulation. All the circuit (...)
Test report: PDF
電路圖: PDF
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