TPS54A24

활성

4.5V~17V 입력, 10A 동기식 SWIFT™ 벅 컨버터

지금 주문하기

데이터 시트

document-pdfAcrobat TPS54A24 4.5-V to 17-V Input, 10-A Synchronous SWIFT™ Step-Down Converter datasheet (Rev. A) (영어) PDF | HTML

TPS54A24

활성

데이터 시트

지금 주문하기

제품 상세 정보

Rating

Catalog

Topology

Buck

Iout (max) (A)

10

Vin (max) (V)

17

Vin (min) (V)

4.5

Vout (max) (V)

12

Vout (min) (V)

0.6

Features

Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking

EMI features

Low parasitic Hotrod packaging

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.00058

Duty cycle (max) (%)

98

Sector

Test & measurement

Rating

Catalog

Topology

Buck

Iout (max) (A)

10

Vin (max) (V)

17

Vin (min) (V)

4.5

Vout (max) (V)

12

Vout (min) (V)

0.6

Features

Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking

EMI features

Low parasitic Hotrod packaging

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.00058

Duty cycle (max) (%)

98

Sector

Test & measurement

WQFN (RTW)

24

16 mm² (4 mm × 4 mm)

Standard 4-mm × 4-mm WQFN package
–40°C to +150°C Operating junction temperature
200-kHz to 1.6-MHz Fixed switching frequency
Peak-current-mode control
Synchronizes to external clock
0.6-V Voltage reference ±0.85% over temperature
0.6-V to 12-V Output voltage range
Safe start-up into prebiased output voltage
Hiccup current limit
Adjustable soft start and power sequencing
Adjustable input undervoltage lockout
Power-good output monitor for undervoltage and overvoltage
3-µA Shutdown current
Output overvoltage protection
Non-latch thermal shutdown protection
Create a custom design using the TPS54A24 with the WEBENCH^® Power Designer

Standard 4-mm × 4-mm WQFN package
–40°C to +150°C Operating junction temperature
200-kHz to 1.6-MHz Fixed switching frequency
Peak-current-mode control
Synchronizes to external clock
0.6-V Voltage reference ±0.85% over temperature
0.6-V to 12-V Output voltage range
Safe start-up into prebiased output voltage
Hiccup current limit
Adjustable soft start and power sequencing
Adjustable input undervoltage lockout
Power-good output monitor for undervoltage and overvoltage
3-µA Shutdown current
Output overvoltage protection
Non-latch thermal shutdown protection
Create a custom design using the TPS54A24 with the WEBENCH^® Power Designer

The TPS54A24 is a full-featured 17-V, 10-A synchronous step-down DC/DC converter in a standard 4 mm × 4 mm WQFN package.

The device is optimized for small solution size through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through peak-current-mode control, which reduces component count, and by selecting a high switching frequency, reducing the inductor footprint.

The peak-current-mode control simplifies the loop compensation and provides fast transient response. Cycle-by-cycle peak current limiting on the high-side and low-side sourcing current limit protects the device in overload situations. Hiccup limits MOSFET power dissipation if a short circuit or over loading fault persists.

A power-good supervisor circuit monitors the regulator output. The PGOOD pin is an open-drain output and goes high impedance when the output voltage is in regulation. An internal deglitch time prevents the PGOOD pin from pulling low unless a fault has occurred.

A dedicated EN pin can be used to control the regulator on/off and adjust the input undervoltage lockout. The output voltage start-up ramp is controlled by the SS/TRK pin, which allows operation as either a standalone power supply or in tracking situations.

The TPS54A24 is a full-featured 17-V, 10-A synchronous step-down DC/DC converter in a standard 4 mm × 4 mm WQFN package.

The device is optimized for small solution size through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through peak-current-mode control, which reduces component count, and by selecting a high switching frequency, reducing the inductor footprint.

The peak-current-mode control simplifies the loop compensation and provides fast transient response. Cycle-by-cycle peak current limiting on the high-side and low-side sourcing current limit protects the device in overload situations. Hiccup limits MOSFET power dissipation if a short circuit or over loading fault persists.

A power-good supervisor circuit monitors the regulator output. The PGOOD pin is an open-drain output and goes high impedance when the output voltage is in regulation. An internal deglitch time prevents the PGOOD pin from pulling low unless a fault has occurred.

A dedicated EN pin can be used to control the regulator on/off and adjust the input undervoltage lockout. The output voltage start-up ramp is controlled by the SS/TRK pin, which allows operation as either a standalone power supply or in tracking situations.

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기술 자료

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10개 모두 보기

상위 문서	유형	직함	형식 옵션	날짜
*	데이터 시트	TPS54A24 4.5-V to 17-V Input, 10-A Synchronous SWIFT™ Step-Down Converter datasheet (Rev. A)	PDF \| HTML	2020. 3. 6
	애플리케이션 노트	Point-of-Load Solutions for Network Interface Cards (NIC)	PDF \| HTML	2021. 9. 8
	애플리케이션 노트	DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications (Rev. A)	PDF \| HTML	2021. 5. 4
	애플리케이션 노트	Non-Isolated Point-of-Load Solutions for Tiger Lake in PC Applications (Rev. B)	PDF \| HTML	2021. 4. 29
	선택 가이드	Buck Converter Quick Reference Guide (Rev. B)		2021. 4. 8
	애플리케이션 노트	Non-Isolated Point-of-Load Solutions for Elkhart Lake in Industrial PC App. (Rev. A)	PDF \| HTML	2020. 5. 21
	애플리케이션 노트	Understanding Flip Chip QFN (HotRod) and Standard QFN Performance Differences		2019. 7. 2
	애플리케이션 노트	Minimizing Output Ripple During Startup (Rev. A)		2019. 5. 20
	애플리케이션 노트	DC/DC Point-of-load Power Solutions for Wired Networking Switch Systems		2018. 12. 11
	애플리케이션 노트	Create an Inverting Power Supply Using a Synchronous Step-Down Regulator (Rev. B)		2018. 6. 25

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

TPS54A24EVM-058 — 스텝다운 컨버터 평가 모듈

TPS54A24EVM-058은 TPS54A24의 평가 모듈(EVM)입니다. TPS54A24은 동기식 벅 컨버터로, 전력 MOSFET를 모두 통합하여 솔루션 크기를 최소화하고 최대 부하에서 고효율을 제공합니다. 고정 주파수 피크 전류 모드 제어는 주기 및 온 타임 지터를 최소화하는 데 사용됩니다. 강제 연속 전도 모드는 낮은 부하에서 스위칭 주파수를 고정하고 낮은 부하에 대한 빠른 과도 응답을 지원합니다.

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