UCC28C41

現行

工業用 20-V、低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、50% 工作週期

現在提供此產品的更新版本

open-in-new 比較替代產品
可直接投入的替代產品,相較於所比較的裝置,具備升級功能
UCC28C51 現行 工業用 30-V、低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、50% 工作週期 Higher supply voltage, lower start-up and operating current, and better efficiency.

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 Catalog Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle Duty cycle (max) (%) 50
Vin (max) (V) 18 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Buck, Flyback, Forward, SEPIC Rating Catalog Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle Duty cycle (max) (%) 50
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Enhanced replacement for UCx84x and UCx84xA family with pin-to-pin compatibility
  • Operating frequency: 1MHz Maximum
  • 50µA Startup Current, 100µA Maximum
  • Low operating current: 2.3mA (at fOSC = 52kHz)
  • Fast, cycle-by-cycle overcurrent limiting: 35ns
  • Peak driving current: ±1A. Rail-to-rail output:
    • 25ns rise time
    • 20ns fall time
  • ±1% accurate 2.5V error amplifier reference
  • Trimmed oscillator discharge current
  • Undervoltage lockout protections
  • VSSOP-8 package minimizes board space
  • Enhanced replacement for UCx84x and UCx84xA family with pin-to-pin compatibility
  • Operating frequency: 1MHz Maximum
  • 50µA Startup Current, 100µA Maximum
  • Low operating current: 2.3mA (at fOSC = 52kHz)
  • Fast, cycle-by-cycle overcurrent limiting: 35ns
  • Peak driving current: ±1A. Rail-to-rail output:
    • 25ns rise time
    • 20ns fall time
  • ±1% accurate 2.5V error amplifier reference
  • Trimmed oscillator discharge current
  • Undervoltage lockout protections
  • VSSOP-8 package minimizes board space

The UCCx8C4x family are high-performance, current-mode PWM controllers. The UCCx8C4x is an enhanced BiCMOS version with pin-for-pin compatibility to the industry standard UCx84xA family and UCx84x family of PWM controllers. The BiCMOS technology offers lower power consumption to improve efficiency as well as faster current sense and oscillator frequency.

In addition, lower startup voltage versions of 7V are offered as UCCx8C40 and UCCx8C41 for use in battery systems. The UCC28C4x series is specified for operation from –40°C to 125°C, and the UCC38C4x series is specified for operation from 0°C to 85°C.

Providing necessary features to control fixed frequency, peak current-mode power supplies, this family offers the following performance advantages. The device offers high-frequency operation up to 1MHz, suitable for high speed applications. The trimmed discharge current enables more precise programming of the maximum duty cycle and dead-time limit when compared to the UCCx8C4x family. Reduced start-up and operating currents minimizes start-up loss and low operating power consumption for improved efficiency. The device also features a fast current-sense-to-output delay time of 35ns for superior overload protection at the power switch, and a ±1A peak output current capability with improved rise and fall times for driving large external MOSFETs directly.

The UCCx8C4x family is offered in 8-pin VSSOP (DGK) and 8-pin SOIC (D) packages.

The UCCx8C4x family are high-performance, current-mode PWM controllers. The UCCx8C4x is an enhanced BiCMOS version with pin-for-pin compatibility to the industry standard UCx84xA family and UCx84x family of PWM controllers. The BiCMOS technology offers lower power consumption to improve efficiency as well as faster current sense and oscillator frequency.

In addition, lower startup voltage versions of 7V are offered as UCCx8C40 and UCCx8C41 for use in battery systems. The UCC28C4x series is specified for operation from –40°C to 125°C, and the UCC38C4x series is specified for operation from 0°C to 85°C.

Providing necessary features to control fixed frequency, peak current-mode power supplies, this family offers the following performance advantages. The device offers high-frequency operation up to 1MHz, suitable for high speed applications. The trimmed discharge current enables more precise programming of the maximum duty cycle and dead-time limit when compared to the UCCx8C4x family. Reduced start-up and operating currents minimizes start-up loss and low operating power consumption for improved efficiency. The device also features a fast current-sense-to-output delay time of 35ns for superior overload protection at the power switch, and a ±1A peak output current capability with improved rise and fall times for driving large external MOSFETs directly.

The UCCx8C4x family is offered in 8-pin VSSOP (DGK) and 8-pin SOIC (D) packages.

下載 觀看有字幕稿的影片 影片

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件,然後再試一次。
檢視所有 12
類型 標題 日期
* Data sheet UCCx8C4x BiCMOS Low-Power Current-Mode PWM Controller datasheet (Rev. I) PDF | HTML 2024年 6月 13日
Functional safety information UCCx8C4x Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2022年 9月 12日
Application note Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps (Rev. A) PDF | HTML 2021年 6月 11日
Application note Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B) 2019年 3月 12日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note UCC38C44 12-V Isolated Bias Supply (Rev. A) 2008年 10月 9日
User guide UCC38C42 30-W Synchronous Buck Converter Reference Design 2003年 2月 4日
Application note UCC38C42 25-W Forward Converter 2002年 9月 6日
Application note UCC38C42 Family of High-Speed BiCMOS Current-Mode PWM Controllers 2002年 2月 7日
Application note DN-30 Programmable Electronic Circuit Breaker 1999年 9月 5日
Application note DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802 1999年 9月 5日
Application note U-111, Practical Considerations in Current Mode Power Supplies 1999年 9月 5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
TI.com 無法提供
模擬型號

UCC28C41 TINA-TI Start-Up Reference Design

SLUM180.TSC (874 KB) - TINA-TI Reference Design
模擬型號

UCC28C41 TINA-TI Start-Up Spice Model

SLUM181.ZIP (11 KB) - TINA-TI Spice Model
模擬型號

UCC28C41 TINA-TI Steady State Reference Design

SLUM182.TSC (2563 KB) - TINA-TI Reference Design
模擬型號

UCC28C41 TINA-TI Steady-State Spice Model

SLUM183.ZIP (11 KB) - TINA-TI Spice Model
模擬型號

UCCx8C41 Family PSpice Start-Up/Steady State Model

SLUM057.ZIP (85 KB) - PSpice Model
模擬型號

UCCx8C41 Unencrypted PSpice Transient Model

SLUM520.ZIP (4 KB) - PSpice Model
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian

訂購與品質

內含資訊:
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

內容係由 TI 和社群貢獻者依「現狀」提供,且不構成 TI 規範。檢視使用條款

若有關於品質、封裝或訂購 TI 產品的問題,請參閱 TI 支援。​​​​​​​​​​​​​​

影片