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TPS61290

활성

바이패스 모드 및 I²C 인터페이스를 지원하는 5.5V, 11A 동기 부스트 컨버터

지금 주문하기

데이터 시트

document-pdfAcrobat TPS61290x 5.5V, 11A, Synchronous Boost Converter With Bypass Mode, I2 C Interface, and Fast Transient Response datasheet (영어) PDF | HTML

TPS61290

활성

데이터 시트

지금 주문하기

제품 상세 정보

Rating

Catalog

Topology

Boost

Vin (max) (V)

5.5

Vin (min) (V)

2

Vout (max) (V)

5.5

Vout (min) (V)

2.35

Switch current limit (typ) (A)

11

Features

Adjustable current limit, Automatic PWM/PFM transition, Enable, I2C, Load Disconnect, Output discharge, Pass-through mode, Spread Spectrum, Synchronous rectification

EMI features

Spread Spectrum

Operating temperature range (°C)

to

Iq (typ) (A)

0.00002

Duty cycle (max) (%)

90

Rating

Catalog

Topology

Boost

Vin (max) (V)

5.5

Vin (min) (V)

2

Vout (max) (V)

5.5

Vout (min) (V)

2.35

Switch current limit (typ) (A)

11

Features

Adjustable current limit, Automatic PWM/PFM transition, Enable, I2C, Load Disconnect, Output discharge, Pass-through mode, Spread Spectrum, Synchronous rectification

EMI features

Spread Spectrum

Operating temperature range (°C)

to

Iq (typ) (A)

0.00002

Duty cycle (max) (%)

90

DSBGA (YBG)

16

2.486929 mm² (1.577 mm × 1.577 mm)

Wide VIN range from 1.8V to 5.5V
- Start-up input voltage: 2.2V
Programmable average input current limit (3.5A to 11A) through I2C
Programmable output voltage (2.35V to 5.5V) through I2C.
- For TPS61290, default 3.4V
- For TPS612901, if VSEL = L, default 5V; if VSEL = H, default 5.25V
< 150mV undershoot at VIN = 2.7V, VOUT = 3.4V, IOUT = 0A → 3A (0.2A/µs slew rate)
Integrated bypass MOSFET (8mΩ), high-side MOSFET (8mΩ), low-side MOSFET (10mΩ)
Auto bypass mode when VIN > VOUT
Auto PFM operation or Forced PWM selectable at light load
Output discharge function when EN logic is low
True disconnection between input and output during shutdown
Thermal shutdown and over current protection
I2C compatible I/F up to 1Mbps
1.2V I/O logic control interface
16-ball WCSP package

Wide VIN range from 1.8V to 5.5V
- Start-up input voltage: 2.2V
Programmable average input current limit (3.5A to 11A) through I2C
Programmable output voltage (2.35V to 5.5V) through I2C.
- For TPS61290, default 3.4V
- For TPS612901, if VSEL = L, default 5V; if VSEL = H, default 5.25V
< 150mV undershoot at VIN = 2.7V, VOUT = 3.4V, IOUT = 0A → 3A (0.2A/µs slew rate)
Integrated bypass MOSFET (8mΩ), high-side MOSFET (8mΩ), low-side MOSFET (10mΩ)
Auto bypass mode when VIN > VOUT
Auto PFM operation or Forced PWM selectable at light load
Output discharge function when EN logic is low
True disconnection between input and output during shutdown
Thermal shutdown and over current protection
I2C compatible I/F up to 1Mbps
1.2V I/O logic control interface
16-ball WCSP package

The TPS61290x provides a power supply design for products powered by a nickel-rich, silicon anode, Li-ion, or LiFePO4 battery. The voltage range is optimized for single-cell portable applications like in smart-phones or POS terminal.

Used as a high-power pre-regulator, the device extends the battery run-time and overcomes input current and voltage limitations of the powered system. With a wide input voltage range of 1.8V to 5.5V. Program the output voltage by I2C up to 5.5V. The default output voltage of TPS61290 is 3.4V. The default output voltage of TPS612901 is 5V (VSEL = Low) and 5.25V (VSEL = High).

During operation, when the battery is in a good state of charge, the TPS61290x works in bypass mode, connecting the battery to the power supply system through the bypass FET. If the battery gets to a lower state of charge and the voltage becomes lower than the desired minimum system voltage, the device seamlessly transits into boost mode to use the full battery capacity.

The TPS61290x offers a very small design size with a 16-ball YBG package.

The TPS61290x provides a power supply design for products powered by a nickel-rich, silicon anode, Li-ion, or LiFePO4 battery. The voltage range is optimized for single-cell portable applications like in smart-phones or POS terminal.

Used as a high-power pre-regulator, the device extends the battery run-time and overcomes input current and voltage limitations of the powered system. With a wide input voltage range of 1.8V to 5.5V. Program the output voltage by I2C up to 5.5V. The default output voltage of TPS61290 is 3.4V. The default output voltage of TPS612901 is 5V (VSEL = Low) and 5.25V (VSEL = High).

During operation, when the battery is in a good state of charge, the TPS61290x works in bypass mode, connecting the battery to the power supply system through the bypass FET. If the battery gets to a lower state of charge and the voltage becomes lower than the desired minimum system voltage, the device seamlessly transits into boost mode to use the full battery capacity.

The TPS61290x offers a very small design size with a 16-ball YBG package.

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기술 자료

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2개 모두 보기

상위 문서	유형	직함	형식 옵션	최신 영어 버전 다운로드	날짜
*	데이터 시트	TPS61290x 5.5V, 11A, Synchronous Boost Converter With Bypass Mode, I2 C Interface, and Fast Transient Response datasheet	PDF \| HTML		2026. 6. 15
	EVM User's guide	TPS61290 Boost Converter With Bypass Mode Evaluation Module	PDF \| HTML		2026. 6. 15

설계 및 개발

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

평가 보드

TPS61290EVM — TPS61290 평가 모듈

TPS61290EVM은 고성능, 고효율의 동기식 부스트 컨버터인 TPS61290x 장치의 기능을 시연하기 위해 설계되었습니다. 이 장치는 바이패스 모드와 I²C 인터페이스를 지원합니다. TPS61290EVM의 출고 기본 설정은 1.8V~5.2V의 입력 전압 범위에서 동작할 수 있도록 구성되어 있습니다.

사용 설명서: PDF | HTML

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