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

BQ24179

활성

통합형, NVDC, 5A 1셀~4셀 스위치 모드 벅-부스트 배터리 충전기

지금 주문
데이터시트

BQ24179

활성
데이터시트 지금 주문

제품 상세 정보

Number of series cells 1, 2, 3, 4 Charge current (max) (A) 5 Vin (max) (V) 24 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3 Battery charge voltage (max) (V) 18.8 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck-boost Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Power Path, USB C/PD compatible, USB D+/D-/BC1.2 integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.6 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3, 4 Charge current (max) (A) 5 Vin (max) (V) 24 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3 Battery charge voltage (max) (V) 18.8 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck-boost Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Power Path, USB C/PD compatible, USB D+/D-/BC1.2 integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.6 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YBG) 56 9.5659 mm² 3.31 x 2.89
  • High power density, high integration buck-boost charger for 1- to 4-cell batteries supporting any USB PD 3.0 profile
    • Integrates four switching MOSFETs, BATFET
    • Integrates input and charging current sensing
  • Highly efficient
    • 750-kHz or 1.5-MHz switching frequencies
    • Efficiency optimized for charging 2s battery, 96.5% efficiency with 9-V input and 94.5% efficiency with 15-V input at 3-A ICHG
    • 5-A charging current with 10-mA resolution
      • 96.5% efficiency: 16-V battery at 3 A from 20 V
  • Supports a wide range of input sources
    • 3.6-V to 24-V wide input operating voltage range with 30-V absolute maximum rating
    • Maximum power tracking with input voltage dynamic power management (VINDPM) up to 22 V and input current dynamic power management (IINDPM) up to 3.3 A
    • Detects USB BC1.2, SDP, CDP, DCP, HVDCP and non-standard adapters
  • Dual-input power mux controller (optional) for source selection
  • Narrow voltage DC (NVDC) power path management
  • Flexible autonomous and I2C mode for optimal system performance
  • Integrated 16-bit ADC for voltage, current, and temperature monitoring
  • Low battery quiescent current
    • Typical 30-µA for battery only operation
  • High accuracy
    • ±1% charge voltage regulation for 2s batteries
    • ±10% charge current regulation
    • ±5% input current regulation
  • Safety
    • Thermal regulation and thermal shutdown
    • Input/battery OVP and OCP
    • Converter MOSFETs OCP
    • Charging safety timer
  • Package
    • 56-Pin 2.9 mm × 3.3 mm WCSP
  • High power density, high integration buck-boost charger for 1- to 4-cell batteries supporting any USB PD 3.0 profile
    • Integrates four switching MOSFETs, BATFET
    • Integrates input and charging current sensing
  • Highly efficient
    • 750-kHz or 1.5-MHz switching frequencies
    • Efficiency optimized for charging 2s battery, 96.5% efficiency with 9-V input and 94.5% efficiency with 15-V input at 3-A ICHG
    • 5-A charging current with 10-mA resolution
      • 96.5% efficiency: 16-V battery at 3 A from 20 V
  • Supports a wide range of input sources
    • 3.6-V to 24-V wide input operating voltage range with 30-V absolute maximum rating
    • Maximum power tracking with input voltage dynamic power management (VINDPM) up to 22 V and input current dynamic power management (IINDPM) up to 3.3 A
    • Detects USB BC1.2, SDP, CDP, DCP, HVDCP and non-standard adapters
  • Dual-input power mux controller (optional) for source selection
  • Narrow voltage DC (NVDC) power path management
  • Flexible autonomous and I2C mode for optimal system performance
  • Integrated 16-bit ADC for voltage, current, and temperature monitoring
  • Low battery quiescent current
    • Typical 30-µA for battery only operation
  • High accuracy
    • ±1% charge voltage regulation for 2s batteries
    • ±10% charge current regulation
    • ±5% input current regulation
  • Safety
    • Thermal regulation and thermal shutdown
    • Input/battery OVP and OCP
    • Converter MOSFETs OCP
    • Charging safety timer
  • Package
    • 56-Pin 2.9 mm × 3.3 mm WCSP

The BQ24179 is a fully integrated switch-mode buck-boost charger for 1- to 4-cell Li-ion batteries and Li-polymer batteries. The integration includes 4 switching MOSFETs (Q1, Q2, Q3, Q4), input and charging current sensing circuits, the battery FET (QBAT) and all the loop compensation of the buck-boost converter.

It uses narrow VDC power path management, regulating the system slightly above the battery voltage without dropping below a configurable minimum system voltage. When system power exceeds the input source rating, battery supplement mode supports the system without overloading the input source.

The charger supports the NVDC power path management, in which the system is regulated at a voltage slightly higher than the battery voltage, but not drop below the minimum system voltage. The system keeps operating even when the battery is completely discharged or removed. When load power exceeds input source rating, the battery gets into supplement mode and prevents the input source from being overloaded and the system from crashing.

The device charges a battery from a wide range of the input sources including legacy USB adapter to high voltage USB PD adapter and traditional barrel adapter. The charger automatically sets converter to be buck, boost or buck-boost configurations based on input voltage and battery voltage without the host control. The dual input source selector manages the power flowing from two different input sources. The inputs selection is controlled by the host through I2C with default source #1 (VAC1) as the primary input and the source #2 (VAC2) as the secondary input.

To support fast charging using an adjustable high voltage adapter, the device provides D+/D- handshake. The device is compliant with USB 2.0 and USB 3.0 power delivery specification with input current and voltage regulation. In addition, the input current optimizer (ICO) allows the detection of maximum power point of an unknown input source.

Besides the I2C host controlled charging mode, this charger also supports autonomous charging mode. After power up, the charging is enabled with default register settings. The device can complete a charging cycle without any software engagements. It detects battery voltage and charges the battery in different phases: trickle charging, pre-charging, constant current (CC) charging and constant voltage (CV) charging. At the end of the charging cycle, the charger automatically terminates when the charge current is below a pre-set limit (termination current) in the constant voltage phase. When the full battery falls below the recharge threshold, the charger will automatically start another charging cycle.

The charger provides various safety features for battery charging and system operations, including battery temperature negative thermistor monitoring, trickle charge, pre-charge and fast charge timers and over-voltage/over-current protections on battery and input. The thermal regulation reduces charge current when the junction temperature exceeds a programmable threshold. The STAT output of the device reports the charging status and any fault conditions. The PG output indicates if a good power source is present. The INT pin immediately notifies host when fault occurs.

The device also provides a 16-bit analog-to-digital converter (ADC) for monitoring charge current and input/battery/system (VAC, VBUS, BAT, SYS, TS) voltages.

It is available in a 56-pin 2.9 mm × 3.3 mm WCSP package.

The BQ24179 is a fully integrated switch-mode buck-boost charger for 1- to 4-cell Li-ion batteries and Li-polymer batteries. The integration includes 4 switching MOSFETs (Q1, Q2, Q3, Q4), input and charging current sensing circuits, the battery FET (QBAT) and all the loop compensation of the buck-boost converter.

It uses narrow VDC power path management, regulating the system slightly above the battery voltage without dropping below a configurable minimum system voltage. When system power exceeds the input source rating, battery supplement mode supports the system without overloading the input source.

The charger supports the NVDC power path management, in which the system is regulated at a voltage slightly higher than the battery voltage, but not drop below the minimum system voltage. The system keeps operating even when the battery is completely discharged or removed. When load power exceeds input source rating, the battery gets into supplement mode and prevents the input source from being overloaded and the system from crashing.

The device charges a battery from a wide range of the input sources including legacy USB adapter to high voltage USB PD adapter and traditional barrel adapter. The charger automatically sets converter to be buck, boost or buck-boost configurations based on input voltage and battery voltage without the host control. The dual input source selector manages the power flowing from two different input sources. The inputs selection is controlled by the host through I2C with default source #1 (VAC1) as the primary input and the source #2 (VAC2) as the secondary input.

To support fast charging using an adjustable high voltage adapter, the device provides D+/D- handshake. The device is compliant with USB 2.0 and USB 3.0 power delivery specification with input current and voltage regulation. In addition, the input current optimizer (ICO) allows the detection of maximum power point of an unknown input source.

Besides the I2C host controlled charging mode, this charger also supports autonomous charging mode. After power up, the charging is enabled with default register settings. The device can complete a charging cycle without any software engagements. It detects battery voltage and charges the battery in different phases: trickle charging, pre-charging, constant current (CC) charging and constant voltage (CV) charging. At the end of the charging cycle, the charger automatically terminates when the charge current is below a pre-set limit (termination current) in the constant voltage phase. When the full battery falls below the recharge threshold, the charger will automatically start another charging cycle.

The charger provides various safety features for battery charging and system operations, including battery temperature negative thermistor monitoring, trickle charge, pre-charge and fast charge timers and over-voltage/over-current protections on battery and input. The thermal regulation reduces charge current when the junction temperature exceeds a programmable threshold. The STAT output of the device reports the charging status and any fault conditions. The PG output indicates if a good power source is present. The INT pin immediately notifies host when fault occurs.

The device also provides a 16-bit analog-to-digital converter (ADC) for monitoring charge current and input/battery/system (VAC, VBUS, BAT, SYS, TS) voltages.

It is available in a 56-pin 2.9 mm × 3.3 mm WCSP package.
open-in-new 기타 배터리 충전기 IC 찾기
다운로드 스크립트와 함께 비디오 보기 동영상

기술 문서

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
모두 보기2
유형 직함 날짜
* Data sheet BQ24179 I2C Controlled, 1- to 4-Cell, 5-A Buck-Boost Battery Charger datasheet 2021/03/11
Application note State of Charge Estimation Using Smart Battery Charger PDF | HTML 2021/10/11

설계 및 개발

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

평가 보드

BQ25790EVM — WCSP 패키지에 듀얼 입력 및 USB PD 3.0 OTG 출력을 지원하는 I2C, 5A, 1~4셀 벅-부스트 충전기

The BQ25790EVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the BQ25790 device. The BQ25790 is an integrated switched-mode buck-boost battery charge management device intended for 1-series to 4-series cell li-ion and li-polymer batteries. The charger features a (...)
사용 설명서: PDF | HTML
TI.com에서 구매할 수 없습니다
애플리케이션 소프트웨어 및 프레임워크

TI-CHARGER-GUI — USB2ANY 및 배터리 충전 평가 모듈과 함께 사용하기 위한 GUI 소프트웨어

TI-CHARGER-GUI는 배터리 충전기 제품의 평가, 설계, 구성 또는 테스트 프로세스를 지원하는 웹 기반 또는 독립형 그래픽 사용자 인터페이스를 제공합니다. 이 소프트웨어는 레지스터에 대한 완전한 액세스 기능과 명령 전송을 위한 간편한 인터페이스를 제공합니다.
클라우드에서 평가
패키지 핀 다운로드
DSBGA (YBG) 56 옵션 보기
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

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

지원 및 교육

TI 엔지니어의 기술 지원을 받을 수 있는 TI E2E™ 포럼

포럼 주제 모두 보기(영문)

콘텐츠는 TI 및 커뮤니티 기고자에 의해 "있는 그대로" 제공되며 TI의 사양으로 간주되지 않습니다. 사용 약관을 참조하십시오.

품질, 패키징, TI에서 주문하는 데 대한 질문이 있다면 TI 지원을 방문하세요. ​​​​​​​​​​​​​​

동영상