홈 배터리 관리 IC 배터리 충전기 IC
홈
배터리 관리 IC
배터리 충전기 IC

BQ21061

활성

10nA 절전 모드, 전원 경로, 조정 시스템 전압 및 LDO를 지원하는 500mA 1셀 선형 충전기

지금 주문
데이터 시트

BQ21061

활성
데이터 시트 지금 주문

제품 상세 정보

Number of series cells 1 Charge current (max) (A) 0.5 Vin (max) (V) 5.5 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.6 Absolute max Vin (max) (V) 20 Control topology Linear Control interface I2C Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.15 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 0.5 Vin (max) (V) 5.5 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.6 Absolute max Vin (max) (V) 20 Control topology Linear Control interface I2C Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.15 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFP) 20 3.96 mm² 1.8 x 2.2
  • Linear battery charger with 1.25-mA to 500-mA fast charge current range
    • 0.5% Accurate I 2C programmable battery regulation voltage ranging from 3.6 V to 4.6 V in 10-mV steps
    • Configurable termination current supporting down to 0.5 mA
    • 20-V Tolerant input with typical 3.4-V to 5.5-V input voltage operating range
    • Programmable thermal charging profile, fully configurable hot, warm, cool and cold thresholds
  • Power Path management for powering system and charging battery
    • I 2C Programmable regulated system voltage (PMID) ranging from 4.4V to 4.9V in addition to battery voltage tracking and Input pass-though options
    • Dynamic power path management optimizes charging from weak adapters
    • Advanced I 2C control allows host to disconnect the battery or adapter as needed
  • I 2C Configurable load switch or up to 150-mA LDO output
    • Programmable range from 0.6 V to 3.7 V in 100-mV steps
  • Ultra low Iddq for extended battery life
    • 10-nA Ship mode battery Iq
    • 400-nA Iq While powering the system (PMID and VDD on)
  • One push-button wake-up and reset input with adjustable timers
    • Supports system power cycle and HW reset
  • Safety-Related Certifications
    • TUV IEC 62368 Certification
  • 20-Pin 2-mm x 1.6-mm CSP package
  • 11-mm 2 Total solution size
  • Linear battery charger with 1.25-mA to 500-mA fast charge current range
    • 0.5% Accurate I 2C programmable battery regulation voltage ranging from 3.6 V to 4.6 V in 10-mV steps
    • Configurable termination current supporting down to 0.5 mA
    • 20-V Tolerant input with typical 3.4-V to 5.5-V input voltage operating range
    • Programmable thermal charging profile, fully configurable hot, warm, cool and cold thresholds
  • Power Path management for powering system and charging battery
    • I 2C Programmable regulated system voltage (PMID) ranging from 4.4V to 4.9V in addition to battery voltage tracking and Input pass-though options
    • Dynamic power path management optimizes charging from weak adapters
    • Advanced I 2C control allows host to disconnect the battery or adapter as needed
  • I 2C Configurable load switch or up to 150-mA LDO output
    • Programmable range from 0.6 V to 3.7 V in 100-mV steps
  • Ultra low Iddq for extended battery life
    • 10-nA Ship mode battery Iq
    • 400-nA Iq While powering the system (PMID and VDD on)
  • One push-button wake-up and reset input with adjustable timers
    • Supports system power cycle and HW reset
  • Safety-Related Certifications
    • TUV IEC 62368 Certification
  • 20-Pin 2-mm x 1.6-mm CSP package
  • 11-mm 2 Total solution size

The BQ21061 is a highly integrated battery charge management IC that integrates the most common functions for wearable, portable and small medical devices, namely a charger, a regulated output voltage rail for system power, a LDO, and push-button controller.

The BQ21061 IC integrates a linear charger with Power Path that enables quick and accurate charging for small batteries while providing a regulated voltage to the system. The regulated system voltage (PMID) output may be configured through I 2C based on the recommended operating condition of downstream IC’s and system loads for optimal system operation.

The BQ21061 is a highly integrated battery charge management IC that integrates the most common functions for wearable, portable and small medical devices, namely a charger, a regulated output voltage rail for system power, a LDO, and push-button controller.

The BQ21061 IC integrates a linear charger with Power Path that enables quick and accurate charging for small batteries while providing a regulated voltage to the system. The regulated system voltage (PMID) output may be configured through I 2C based on the recommended operating condition of downstream IC’s and system loads for optimal system operation.
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관심 가지실만한 유사 제품

open-in-new 대안 비교
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BQ25155 활성 10nA IQ, 전원 경로, 조정 시스템 전압, 16비트 ADC 및 LDO를 지원하는 500mA 1셀 선형 충전기 This product is a 500-mA 1-cell linear charger with 16-bit ADC, 10-nA IQ, power path, regulated system voltage and LDO.
비교 대상 장치와 유사한 기능
BQ25125 활성 웨어러블 및 IoT용 저 IQ 고집적 배터리 충전 관리 솔루션 This product is a 300-mA, I2C, Li-ion battery charger with integrated DC-DC buck and LDO in a 2.5x2.5mm package.

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
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9개 모두 보기
유형 직함 날짜
* Data sheet BQ21061 I2C Controlled 1-Cell 500-mA Linear Battery Charger With 10-nA Ship Mode, Power Path With Regulated System (PMID) Voltage, And LDO datasheet (Rev. A) PDF | HTML 2023/08/01
Technical article 3 quiescent-current (Iq) specifications you need to understand PDF | HTML 2021/11/12
Application note State of Charge Estimation Using Smart Battery Charger PDF | HTML 2021/10/11
Technical article Benefits of rechargeable batteries in real-time location system trackers PDF | HTML 2020/08/10
Technical article Accelerate your electric mask design PDF | HTML 2020/07/01
Application note BQ21061 Two Layer Small Form Factor Design For Cost Optimized PCB 2019/12/18
EVM User's guide BQ21061EVM Evaluation Module User's Guide 2019/10/17
Application note Battery Discharge Implementation in Warm or Hot Temperatures 2019/07/02
Technical article Pull the tab: How to implement ship mode in your lithium-ion battery design PDF | HTML 2019/02/20

설계 및 개발

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

평가 보드

BQ21061EVM — LDO 평가 모듈이 포함된 I2C 제어 1셀 500mA PowerPath 선형 배터리 충전기

The BQ21061 evaluation module (EVM) is an integrated I2C controlled 1-cell 500-mA PowerPath linear battery charger with LDO and low IQ to maximize battery life. The device supports charge currents from 1.25 mA to 500 mA. The input current limit, charge current, LDO,  regulated output and other (...)

사용 설명서: PDF
TI.com에서 구매 불가
지원 소프트웨어

SLUC683 — BQ21061 Setup Guide Tool

지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
배터리 충전기 IC
BQ21061 — 10nA 절전 모드, 전원 경로, 조정 시스템 전압 및 LDO를 지원하는 500mA 1셀 선형 충전기
다운로드
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
DSBGA (YFP) 20 Ultra Librarian
TI의 평가 항목에 대한 표준 약관이 적용됩니다.

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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지원 및 교육

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