제품 상세 정보

Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Charge current (max) (A) 1.5 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 Vin (max) (V) 13.5 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.52 Control interface I2C Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Charge current (max) (A) 1.5 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 Vin (max) (V) 13.5 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.52 Control interface I2C 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
    • ±5% 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
    • ±5% 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.

다운로드 스크립트와 함께 비디오 보기 동영상

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

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

BQ25619 평가 모듈(EVM)은 BQ25619 장치를 평가하는 데 사용됩니다. 이 제품은 저전력 휴대용 설계의 파워 뱅크 애플리케이션에 최적화된 3A 단일 셀 배터리 충전기입니다. OTG 역방향 동기식 부스트 작동 및 순방향 벅 모드 작동을 통해 주변 전원 공급 장치에 대한 전력 공급을 제어할 수 있습니다.
사용 설명서: PDF | HTML
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드라이버 또는 라이브러리

BQ256XXSW-LINUX — BQ256XX용 리눅스 드라이버

Linux 드라이버는 I2C 제어, 1셀, 스위치 모드 배터리 충전 관리 및 시스템 전원 경로 관리 IC의 BQ256XX 제품군을 지원합니다. Linux 드라이버는 I2C 버스를 통한 통신을 지원하고 전원 공급 장치 서브 시스템과의 인터페이스를 제공합니다.

Linux 메인라인 상태

Linux 메인라인에서 사용 가능: 
git.ti.com에서 구입 가능: 아니오   

Linux 소스 파일

이 장치와 연계된 파일:

  1. drivers/power/supply/bq256xx_charger.c

소스 파일

(...)
패키지 CAD 기호, 풋프린트 및 3D 모델
WQFN (RTW) 24 Ultra Librarian

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

권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.

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