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

BQ25619

활성

I2C 제어 1.5A 단일 셀 벅 배터리 충전기(20mA 단말 및 1A 부스트)

지금 주문
데이터 시트

BQ25619

활성
데이터 시트 지금 주문

제품 상세 정보

Number of series cells 1 Charge current (max) (A) 1.5 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.52 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1.5 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.52 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RTW) 24 16 mm² 4 x 4
  • Single chip solution to charge wearable accessories from adapter or battery
  • High-efficiency, 1.5MHz, synchronous switch-mode buck charger
    • 95.5% charge efficiency at 0.5A and 94.5% efficiency at 1A
    • ±0.5% charge voltage regulation (10mV step)
    • I2C programmable JEITA profile of charge voltage, current and temperature thresholds
    • Low termination current with high accuracy 20mA±10mA
    • Small inductor form factor of 2.5 x 2.0 x 1.0mm3
  • Boost mode with output from 4.6V to 5.15V
    • 94% boost efficiency at 1A output
    • Integrated control to switch between Charge and Boost mode
    • PMID_GOOD pin control external PMOS FET for protection against fault conditions
  • Single input supporting USB input, high-voltage adapter, or wireless power
    • Support 4V to 13.5V input voltage range with 22V absolute max input rating
    • Programmable input current limit (IINDPM) with I2C (100mA to 3.2A, 100mA/step)
    • Maximum power tracking by input voltage limit (VINDPM) up to 5.4V
    • VINDPM threshold automatically tracks battery voltage
  • Narrow VDC (NVDC) power path management
    • System instant-on with no battery or deeply discharged battery
  • Flexible I2C configuration and autonomous charging for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • Low RDSON 19.5mΩ BATFET to minimize charging loss and extend battery run time
    • BATFET control for Ship mode, and full system reset with and without adapter
  • 7µA low battery leakage current in Ship mode
  • 9.5µA low battery leakage current with system standby
  • High accuracy battery charging profile
    • ±6% charge current regulation
    • ±7.5% input current regulation
    • Remote battery sensing to charge faster
    • Programmable top-off timer for full battery charging
  • Safety Related Certifications:
    • IEC 62368-1 CB Certification
  • Single chip solution to charge wearable accessories from adapter or battery
  • High-efficiency, 1.5MHz, synchronous switch-mode buck charger
    • 95.5% charge efficiency at 0.5A and 94.5% efficiency at 1A
    • ±0.5% charge voltage regulation (10mV step)
    • I2C programmable JEITA profile of charge voltage, current and temperature thresholds
    • Low termination current with high accuracy 20mA±10mA
    • Small inductor form factor of 2.5 x 2.0 x 1.0mm3
  • Boost mode with output from 4.6V to 5.15V
    • 94% boost efficiency at 1A output
    • Integrated control to switch between Charge and Boost mode
    • PMID_GOOD pin control external PMOS FET for protection against fault conditions
  • Single input supporting USB input, high-voltage adapter, or wireless power
    • Support 4V to 13.5V input voltage range with 22V absolute max input rating
    • Programmable input current limit (IINDPM) with I2C (100mA to 3.2A, 100mA/step)
    • Maximum power tracking by input voltage limit (VINDPM) up to 5.4V
    • VINDPM threshold automatically tracks battery voltage
  • Narrow VDC (NVDC) power path management
    • System instant-on with no battery or deeply discharged battery
  • Flexible I2C configuration and autonomous charging for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • Low RDSON 19.5mΩ BATFET to minimize charging loss and extend battery run time
    • BATFET control for Ship mode, and full system reset with and without adapter
  • 7µA low battery leakage current in Ship mode
  • 9.5µA low battery leakage current with system standby
  • High accuracy battery charging profile
    • ±6% charge current regulation
    • ±7.5% input current regulation
    • Remote battery sensing to charge faster
    • Programmable top-off timer for full battery charging
  • Safety Related Certifications:
    • IEC 62368-1 CB Certification

The BQ25618/619 integrates charge, boost converter and voltage protection in a single device. It offers the industry’s lowest termination current for switching chargers to charge wearable devices by full battery capacity. The BQ25618/619 best-in-class low quiescent current reduces battery leakage down to 6uA in Ship mode, which conserves battery energy to double the shelf life for the device. The BQ25619 is in a 4mm × 4mm QFN package for easy layout. The BQ25618 is in a 2.0mm × 2.4mm WCSP package for space limited design.

The BQ25618/619 integrates charge, boost converter and voltage protection in a single device. It offers the industry’s lowest termination current for switching chargers to charge wearable devices by full battery capacity. The BQ25618/619 best-in-class low quiescent current reduces battery leakage down to 6uA in Ship mode, which conserves battery energy to double the shelf life for the device. The BQ25619 is in a 4mm × 4mm QFN package for easy layout. The BQ25618 is in a 2.0mm × 2.4mm WCSP package for space limited design.
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관심 가지실만한 유사 제품

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
BQ25618 활성 I2C 제어 1.5A 단일 셀 벅 배터리 충전기(WCSP에서 20mA 단말 및 1A 부스트) This product is in a WCSP package
BQ25895 활성 HVDCP를 활성화한 높은 입력 전압과 3.1A 부스트를 지원하는 I2C 1셀 5A 벅 배터리 충전기 This product is 5A, 1S I2C buck switching charger with D+/D- USB detection

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
8개 모두 보기
유형 직함 날짜
* Data sheet BQ25618/619 I2C Controlled 1-Cell 1.5A Battery Charger with 20mA Termination and 1A Boost Operation datasheet (Rev. E) PDF | HTML 2024/07/22
Application note High-Efficiency Charging for TWS Using a 2-Pin Interface Application Report (Rev. A) PDF | HTML 2023/05/16
Application note Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers PDF | HTML 2022/11/10
User guide BQ25611D, BQ25619 (BMS025) Evaluation Module User's Guide (Rev. C) PDF | HTML 2022/07/01
Technical article Benefits of rechargeable batteries in real-time location system trackers PDF | HTML 2020/08/10
Technical article Overcoming common design challenges in an UV sterilization box system PDF | HTML 2020/07/27
Application brief How to Design Tiny, Long-Lasting, and Safe Battery Products With Switching Charg 2019/08/29
Technical article Overcoming design challenges for low quiescent current in small, battery-powered d PDF | HTML 2019/08/29

설계 및 개발

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

평가 보드

BQ25619EVM — 전원 경로 및 1.2A 부스트 작동을 지원하는 I2C 제어 단일 셀, 3A 벅 배터리 충전기 평가 모듈

The BQ25619 evaluation module (EVM) is used to evaluate the BQ25619 device. This is a 3-A single-cell battery charger optimized for power bank applications in low-power portable designs. The OTG reverse synchronous boost operation and forward buck mode operation allows for control over power (...)
사용 설명서: PDF | HTML
TI.com에서 구매 불가
드라이버 또는 라이브러리

BQ256XXSW-LINUX — BQ256XX용 리눅스 드라이버

The Linux driver supports the BQ256XX family of I2C Controlled, 1-cell, switch-mode battery charge management and system power path management ICs. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.

Linux mainline status

Available in Linux (...)

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WQFN (RTW) 24 Ultra Librarian
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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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