UCC21521

활성

활성화, 프로그래머블 데드 타임을 지원하는 강화 4A/6A 듀얼 채널 절연 게이트 드라이버

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데이터 시트

document-pdfAcrobat UCC21521 4-A, 6-A, 5.7-kVRMS Isolated Dual-Channel Gate Driver with Enable datasheet (Rev. B) (영어) PDF | HTML

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대안 비교

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UCC21551

활성

활성화 및 프로그래머블 데드 타임을 지원하는 강화, 4A/6A 듀얼 채널 절연 게이트 드라이버 Next gen P2P refresh

UCC21521

활성

데이터 시트

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제품 상세 정보

Number of channels

2

Isolation rating

Reinforced

Power switch

GaNFET, IGBT, MOSFET, SiCFET

Withstand isolation voltage (VISO) (Vrms)

5700

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

8000

Peak output current (source) (typ) (A)

4

Peak output current (sink) (typ) (A)

6

Features

Enable, Programmable dead time

Output VCC/VDD (min) (V)

6.5, 9.2, 14.7

Output VCC/VDD (max) (V)

25

Input supply voltage (min) (V)

3

Input supply voltage (max) (V)

18

Propagation delay time (µs)

0.019

Input threshold

CMOS, TTL

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Bootstrap supply voltage (max) (V)

2121

Rise time (ns)

6

Fall time (ns)

7

Undervoltage lockout (typ) (V)

5, 8, 12

Number of channels

2

Isolation rating

Reinforced

Power switch

GaNFET, IGBT, MOSFET, SiCFET

Withstand isolation voltage (VISO) (Vrms)

5700

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

8000

Peak output current (source) (typ) (A)

4

Peak output current (sink) (typ) (A)

6

Features

Enable, Programmable dead time

Output VCC/VDD (min) (V)

6.5, 9.2, 14.7

Output VCC/VDD (max) (V)

25

Input supply voltage (min) (V)

3

Input supply voltage (max) (V)

18

Propagation delay time (µs)

0.019

Input threshold

CMOS, TTL

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Bootstrap supply voltage (max) (V)

2121

Rise time (ns)

6

Fall time (ns)

7

Undervoltage lockout (typ) (V)

5, 8, 12

SOIC (DW)

16

106.09 mm² (10.3 mm × 10.3 mm)

Universal: dual low-side, dual high-side or half-bridge driver
Operating temperature range –40 to +125°C
Switching parameters:
- 19-ns typical propagation delay
- 10-ns minimum pulse width
- 5-ns maximum delay matching
- 6-ns maximum pulse-width distortion
Common-mode transient immunity (CMTI) greater than 100 V/ns
Surge immunity up to 12.8 kV
Isolation barrier life >40 years
4-A peak source, 6-A peak sink output
TTL and CMOS compatible inputs
3-V to 18-V input VCCI range to interface with both digital and analog controllers
Up to 25-V VDD output drive supply
- 5-V, 8-V, 12-V VDD UVLO options
Programmable overlap and dead time
Rejects input pulses and noise transients shorter than 5 ns
Fast enable for power sequencing
Wide body SOIC-16 (DW) package
Safety-related certifications:
- 8000-V_PK reinforced isolation per DIN V VDE V 0884-11:2017-01
- 5700-V_RMS Isolation for 1 minute per UL 1577
- CSA certification per IEC 60950-1, IEC 62368-1, IEC 61010-1 and IEC 60601-1 end equipment standards
- CQC certification per GB4943.1-2011

Universal: dual low-side, dual high-side or half-bridge driver
Operating temperature range –40 to +125°C
Switching parameters:
- 19-ns typical propagation delay
- 10-ns minimum pulse width
- 5-ns maximum delay matching
- 6-ns maximum pulse-width distortion
Common-mode transient immunity (CMTI) greater than 100 V/ns
Surge immunity up to 12.8 kV
Isolation barrier life >40 years
4-A peak source, 6-A peak sink output
TTL and CMOS compatible inputs
3-V to 18-V input VCCI range to interface with both digital and analog controllers
Up to 25-V VDD output drive supply
- 5-V, 8-V, 12-V VDD UVLO options
Programmable overlap and dead time
Rejects input pulses and noise transients shorter than 5 ns
Fast enable for power sequencing
Wide body SOIC-16 (DW) package
Safety-related certifications:
- 8000-V_PK reinforced isolation per DIN V VDE V 0884-11:2017-01
- 5700-V_RMS Isolation for 1 minute per UL 1577
- CSA certification per IEC 60950-1, IEC 62368-1, IEC 61010-1 and IEC 60601-1 end equipment standards
- CQC certification per GB4943.1-2011

The UCC21521 is an isolated dual-channel gate driver with 4-A source and 6-A sink peak current. It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5-MHz with best-in-class propagation delay and pulse-width distortion.

The input side is isolated from the two output drivers by a 5.7-kV_RMS reinforced isolation barrier, with a minimum of 100-V/ns common-mode transient immunity (CMTI). Internal functional isolation between the two secondary-side drivers allows a working voltage of up to 1500 V_DC.

Every driver can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver with programmable dead time (DT). The EN pin pulled low shuts down both outputs simultaneously and allows for normal operation when left open or pulled high. As a fail-safe measure, primary-side logic failures force both outputs low.

The device accepts VDD supply voltages up to 25 V. A wide input VCCI range from 3 V to 18 V makes the driver suitable for interfacing with both analog and digital controllers. All the supply voltage pins have under voltage lock-out (UVLO) protection.

With all these advanced features, the UCC21521 enables high efficiency, high power density, and robustness in a wide variety of power applications.

The UCC21521 is an isolated dual-channel gate driver with 4-A source and 6-A sink peak current. It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5-MHz with best-in-class propagation delay and pulse-width distortion.

The input side is isolated from the two output drivers by a 5.7-kV_RMS reinforced isolation barrier, with a minimum of 100-V/ns common-mode transient immunity (CMTI). Internal functional isolation between the two secondary-side drivers allows a working voltage of up to 1500 V_DC.

Every driver can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver with programmable dead time (DT). The EN pin pulled low shuts down both outputs simultaneously and allows for normal operation when left open or pulled high. As a fail-safe measure, primary-side logic failures force both outputs low.

The device accepts VDD supply voltages up to 25 V. A wide input VCCI range from 3 V to 18 V makes the driver suitable for interfacing with both analog and digital controllers. All the supply voltage pins have under voltage lock-out (UVLO) protection.

With all these advanced features, the UCC21521 enables high efficiency, high power density, and robustness in a wide variety of power applications.

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11개 모두 보기

상위 문서	유형	직함	형식 옵션	날짜
*	데이터 시트	UCC21521 4-A, 6-A, 5.7-kVRMS Isolated Dual-Channel Gate Driver with Enable datasheet (Rev. B)	PDF \| HTML	2021. 12. 8
	인증서	VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB)		2026. 7. 15
	인증서	UL Certification E181974 Vol 4. Sec 7 (Rev. D)		2025. 9. 8
	인증서	UCC215xx CQC Certificate of Product Certification	PDF \| HTML	2023. 8. 17
	인증서	UCC21520 CQC Certificate of Product Certification (Rev. A)	PDF \| HTML	2023. 8. 16
	Application brief	The Use and Benefits of Ferrite Beads in Gate Drive Circuits	PDF \| HTML	2021. 12. 16
	인증서	FPPT2 - Nonoptical Isolating Devices UL 1577 Certificate of Compliance		2021. 10. 26
	Application brief	External Gate Resistor Selection Guide (Rev. A)		2020. 2. 28
	Application brief	Understanding Peak IOH and IOL Currents (Rev. A)		2020. 2. 28
	인증서	CSA Product Certificate (Rev. A)		2019. 8. 15
	기술 문서	Why capacitive isolation: a vital building block for sensors in smart cities	PDF \| HTML	2018. 1. 16

설계 및 개발

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평가 보드

UCC21520EVM-286 — UCC21520 4A/6A 절연 듀얼 채널 게이트 드라이버 평가 모듈

UCC21520EVM-286은 4A 소스 및 6A 싱크 피크 전류 용량을 지원하는 절연 듀얼 채널 게이트 드라이버인 UCC21520DW를 평가하기 위해 설계되었습니다. 이 EVM은 UCC21520 핀 기능 식별, 부품 선택 가이드 및 PCB 레이아웃 예시를 포함해 전원 MOSFET, IGBT, SiC MOSFET 전원을 구동하기 위한 레퍼런스 설계로 사용할 수 있습니다.

사용 설명서: PDF | HTML

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