UCC28C51

Name: UCC28C51
Brand: TI
SKU: UCC28C51
Price: 0.535 USD

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

立即訂購

產品規格表

document-pdfAcrobat UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs datasheet (Rev. C) (英文) PDF | HTML

UCC28C51

現行

產品規格表

立即訂購

產品詳細資料

Operating temperature range (°C)

-40 to 125

Control mode

Current

Rating

Catalog

Features

Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Programmable max duty cycle

Duty cycle (max) (%)

Operating temperature range (°C)

-40 to 125

Control mode

Current

Rating

Catalog

Features

Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Programmable max duty cycle

Duty cycle (max) (%)

SOIC (D)

29.4 mm² 4.9 x 6

VSSOP (DGK)

14.7 mm² 3 x 4.9

Undervoltage lockout options to support both Si and SiC MOSFET applications
30-V VDD absolute maximum voltage
1-MHz maximum fixed frequency operation
50-µA startup current, 75-µA maximum
Low operating current: 1.3 mA (at f OSC = 52 kHz)
Fast 35-ns, cycle-by-cycle overcurrent limiting
±1-A peak driving current
Rail-to-rail output
- 25-ns rise time
- 20-ns fall time
±1% accurate 2.5-V error amplifier reference
Pin-to-pin compatible and drop-in replacement for UCCx8C4x
Functional Safety-Capable
- Documentation available to aid functional safety system design

Undervoltage lockout options to support both Si and SiC MOSFET applications
30-V VDD absolute maximum voltage
1-MHz maximum fixed frequency operation
50-µA startup current, 75-µA maximum
Low operating current: 1.3 mA (at f OSC = 52 kHz)
Fast 35-ns, cycle-by-cycle overcurrent limiting
±1-A peak driving current
Rail-to-rail output
- 25-ns rise time
- 20-ns fall time
±1% accurate 2.5-V error amplifier reference
Pin-to-pin compatible and drop-in replacement for UCCx8C4x
Functional Safety-Capable
- Documentation available to aid functional safety system design

The UCCx8C5x family of devices are high-performance current-mode PWM controllers that can drive both Si and SiC MOSFETs in various applications. The UCCx8C5x family is a more efficient and robust version of the UCCx8C4x.

The UCCx8C5x family has new UVLO thresholds that allow for reliable SiC MOSFET operation (UCC28C56-59), in addition to existing UVLO thresholds for continued Si MOSFET support (UCCx8C50-55).

VDD absolute maximum voltage rating is extended from 20 V to 30 V for optimally driving the gate of 20-V gs, 18-V gs, or 15-V gs SiC MOSFETs, while also allowing for the exclusion of an external LDO.

The UCCx8C5x family is offered in 8-pin VSSOP (DGK), and 8-pin SOIC (D) packages.

The UCCx8C5x family has new UVLO thresholds that allow for reliable SiC MOSFET operation (UCC28C56-59), in addition to existing UVLO thresholds for continued Si MOSFET support (UCCx8C50-55).

VDD absolute maximum voltage rating is extended from 20 V to 30 V for optimally driving the gate of 20-V gs, 18-V gs, or 15-V gs SiC MOSFETs, while also allowing for the exclusion of an external LDO.

The UCCx8C5x family is offered in 8-pin VSSOP (DGK), and 8-pin SOIC (D) packages.

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	類型	標題		日期
*	Data sheet	UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs datasheet (Rev. C)	PDF \| HTML	2023年 3月 23日
	User guide	Using the UCC28C56EVM-066 (Rev. C)	PDF \| HTML	2022年 12月 7日
	Functional safety information	UCC28C5x Functional Safety FIT rate, FMD and Pin FMA (Rev. A)	PDF \| HTML	2022年 11月 2日

設計與開發

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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-V_TYP、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