UCC38C50

Name: UCC38C50
Brand: TI
SKU: UCC38C50
Price: 0.375 USD

現行

商用 30-V 低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、100% 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

UCC38C50

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Boost, Buck, Flyback, Forward, SEPIC

Vin (max) (V)

Control mode

Current

Features

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

Operating temperature range (°C)

0 to 85

Duty cycle (max) (%)

100

Rating

Catalog

Topology

Boost, Buck, Flyback, Forward, SEPIC

Vin (max) (V)

Control mode

Current

Features

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

Operating temperature range (°C)

0 to 85

Duty cycle (max) (%)

100

SOIC (D)

29.4 mm² 4.9 x 6

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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UCC28C50

現行

工業用 30-V、低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、100% 工作週期 Equivalent product with higher temperature range.

UCC28C50-Q1

現行

車用 30-V、低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、100% 工作週期 Equivalent product with automotive grade.

引腳對引腳且具備與所比較裝置相同的功能

UCC38C40

現行

商用 20-V 低功耗電流模式 PWM 控制器、7-V/6.6-V UVLO、100% 工作週期 Older generation of product.

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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

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 800V 電池系統提供 15.2V_TYP、40W 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