전원 관리 AC/DC & DC/DC converters (integrated FET)

TPS61260

활성

출력 전압을 조정할 수 있는 초저입력 전압 부스트 컨버터

제품 상세 정보

Vin (min) (V) 0.8 Vin (max) (V) 4 Topology Boost Type Converter Switching frequency (min) (kHz) 2500 Switching frequency (max) (kHz) 2500 Features Load Disconnect Vout (min) (V) 1.8 Vout (max) (V) 4 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000029
Vin (min) (V) 0.8 Vin (max) (V) 4 Topology Boost Type Converter Switching frequency (min) (kHz) 2500 Switching frequency (max) (kHz) 2500 Features Load Disconnect Vout (min) (V) 1.8 Vout (max) (V) 4 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000029
WSON (DRV) 6 4 mm² 2 x 2
  • Input Voltage Range from 0.8 V to 4.0 V
  • Up to 95% Efficiency
  • 100 mA Output Current at 3.3 Vout (VIN > 1 V)
  • Fixed and Adjustable Output Voltage Options from 1.8 V to 4.0 V
  • Programmable Average Output Current from 10 mA to 100 mA
  • Adjustable Output Current Limit for Smallest Inductor
  • Power Save Mode for Improved Efficiency at Low Output Power
  • 29-µA Quiescent Current
  • Advanced Softstart
  • Quasi Fixed Frequency Operation at 2.5 MHz
  • Output Overvoltage Protection
  • Load Disconnect During Shutdown
  • Undervoltage Lockout
  • Available in a 2.00 × 2.00 mm, 6-Pin WSON Package
  • Input Voltage Range from 0.8 V to 4.0 V
  • Up to 95% Efficiency
  • 100 mA Output Current at 3.3 Vout (VIN > 1 V)
  • Fixed and Adjustable Output Voltage Options from 1.8 V to 4.0 V
  • Programmable Average Output Current from 10 mA to 100 mA
  • Adjustable Output Current Limit for Smallest Inductor
  • Power Save Mode for Improved Efficiency at Low Output Power
  • 29-µA Quiescent Current
  • Advanced Softstart
  • Quasi Fixed Frequency Operation at 2.5 MHz
  • Output Overvoltage Protection
  • Load Disconnect During Shutdown
  • Undervoltage Lockout
  • Available in a 2.00 × 2.00 mm, 6-Pin WSON Package

The TPS6126x devices provide a power supply solution for products powered by either single or dual cell alkaline, NiCd, or NiMH batteries. Its unique advanced softstart makes it also suitable for products powered by high output impedance battery types, like coin cells. Output currents can go as high as 100 mA while using a single cell alkaline battery, and discharge it down to 0.8 V or lower.

The boost converter is based on a quasi fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save Mode to ensure high efficiency over a wide load current range. The maximum average current in the switches is limited to a programmable value which can go as high as 700 mA. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. In addition, the average output current can be programmed as well. The converter then regulates the programmed output voltage or the programmed output current, which ever demands lower output power. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 6-pin WSON (DRV) package.

The TPS6126x devices provide a power supply solution for products powered by either single or dual cell alkaline, NiCd, or NiMH batteries. Its unique advanced softstart makes it also suitable for products powered by high output impedance battery types, like coin cells. Output currents can go as high as 100 mA while using a single cell alkaline battery, and discharge it down to 0.8 V or lower.

The boost converter is based on a quasi fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save Mode to ensure high efficiency over a wide load current range. The maximum average current in the switches is limited to a programmable value which can go as high as 700 mA. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. In addition, the average output current can be programmed as well. The converter then regulates the programmed output voltage or the programmed output current, which ever demands lower output power. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 6-pin WSON (DRV) package.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
TPS61033 활성 5V, 5A 부스트 컨버터(전원 양호, 출력 방전 및 PFM/PWM 제어 포함) 5A/1.5A valley switch current limit and SOT583 packge with size of 2.1 x 1.2mm
비교 대상 장치와 유사한 기능
신규 TPS610333 활성 5V, 1.85A 부스트 컨버터(전원 양호, 출력 방전 및 PFM/PWM 제어 포함) 1.85-A valley switch current limit and SOT583 package with size of 2.1 mm × 1.2 mm

기술 문서

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모두 보기12
유형 직함 날짜
* Data sheet TPS6126x 0.8-V Input Synchronous Boost Converters with 100-mA Output Current datasheet (Rev. C) PDF | HTML 2018/04/23
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 2023/12/06
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018/12/11
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
Application note Calculating and Measuring the No Load Input Current of the Boost Converter 2016/09/23
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 2016/05/03
Application note Design of UVLO for LM27313 (Rev. B) 2014/04/08
Application note Automated Frequency Response Analyzer 2013/10/09
User guide TPS6126X User's Guide (Rev. B) 2013/09/12
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 2012/04/26
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 2011/06/17
User guide TPS6126x, Low-Input Voltage, Boost Converter Evaluation Module 2011/06/08

설계 및 개발

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

평가 보드

TPS61260EVM-673 — 출력 전압을 조정할 수 있는 TPS61260 소형 저입력 전압 부스트 컨버터용 평가 모듈

This user’s guide describes the TPS6126x evaluation module (EVM) and how to perform a stand-alone evaluation to allow the EVM to interface with the system and host. The TPS61260EVM-673 converter is programmed from the factory to deliver a 3.3-Vdc output voltage for a continuous load of up to (...)

사용 설명서: PDF
TI.com에서 구매할 수 없습니다
거버(Gerber) 파일

TPS61260EVM-673 Gerbers

SLVC466.ZIP (191 KB)
패키지 다운로드
WSON (DRV) 6 옵션 보기

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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