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

BQ25050

활성

50mA LDO를 지원하는 1셀, 1A, 단일 입력, 리튬 이온 배터리 충전기

지금 주문
데이터시트

이 제품의 최신 버전이 있습니다

open-in-new 대안 비교
비교 대상 장치와 유사한 기능
BQ24072 활성 독립형 1셀 1.5A 선형 배터리 충전기, 전원 경로, 4.2V VBAT 및 VOUT=VBAT + 225mV This product is a 1.5-A, standalone, single-cell Li-Ion battery charger with power path in a 3x3mm package.

BQ25050

활성
데이터시트 지금 주문

제품 상세 정보

Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 10.2 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 10.2 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 85
WSON (DQC) 10 6 mm² 3 x 2
  • 30V input Rating, With 10.5V Over-Voltage Protection (OVP)
  • FET Controller for External Battery FET for External Power Path Control (BGATE)
  • Input Voltage Dynamic Power Management
  • 50mA integrated Low Dropout Linear Regulator (LDO)
  • Programmable Charge Current Through Single Input Interface (CTRL)
  • 0.5% Battery Voltage Regulation Accuracy
  • 7% Charge Current Regulation Accuracy
  • Thermal Regulation and Protection
  • Battery NTC Monitoring During Charge and Discharge
  • Status Indication – Charging/Done and Temperature Faults
  • Available in small 2mm × 3mm 10 Pin SON Package
  • APPLICATIONS
    • Smart Phones
    • Mobile Phones
    • Portable Media Players
    • Low Power Handheld Devices
  • 30V input Rating, With 10.5V Over-Voltage Protection (OVP)
  • FET Controller for External Battery FET for External Power Path Control (BGATE)
  • Input Voltage Dynamic Power Management
  • 50mA integrated Low Dropout Linear Regulator (LDO)
  • Programmable Charge Current Through Single Input Interface (CTRL)
  • 0.5% Battery Voltage Regulation Accuracy
  • 7% Charge Current Regulation Accuracy
  • Thermal Regulation and Protection
  • Battery NTC Monitoring During Charge and Discharge
  • Status Indication – Charging/Done and Temperature Faults
  • Available in small 2mm × 3mm 10 Pin SON Package
  • APPLICATIONS
    • Smart Phones
    • Mobile Phones
    • Portable Media Players
    • Low Power Handheld Devices

The bq25050 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It operates from either a USB port or AC Adapter and charges a single-cell Li-Ion battery with up to 1A of charge current. The 30V input voltage range with input over-voltage protections supports low-cost unregulated adapters.

The bq25050 has a single power output that charges the battery. The system load is connected to OUT. The low-battery system startup circuitry maintains OUT greater than 3.4V whenever an input source is connected. This allows the system to start-up and run whenever an input source is connected regardless of the battery voltage. The charge current is programmable up to 1A using the CTRL input. Additionally, a 4.9V 50mA LDO is integrated into the IC for supplying low power external circuitry.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded. The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination.

The bq25050 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It operates from either a USB port or AC Adapter and charges a single-cell Li-Ion battery with up to 1A of charge current. The 30V input voltage range with input over-voltage protections supports low-cost unregulated adapters.

The bq25050 has a single power output that charges the battery. The system load is connected to OUT. The low-battery system startup circuitry maintains OUT greater than 3.4V whenever an input source is connected. This allows the system to start-up and run whenever an input source is connected regardless of the battery voltage. The charge current is programmable up to 1A using the CTRL input. Additionally, a 4.9V 50mA LDO is integrated into the IC for supplying low power external circuitry.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded. The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination.
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기술 문서

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모두 보기2
유형 직함 날짜
* Data sheet 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO and Minimum datasheet 2010/03/25
EVM User's guide bq25050/bq25060EVM User's Guide 2010/07/21

설계 및 개발

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

평가 보드

BQ25050EVM — 50mA LDO를 지원하는 BQ25050 1A, 단일 입력, 단일 셀 리튬 이온 배터리 충전기용 평가 모듈

The bq25050EVM assists users in evaluating the bq25050 linear battery chargers. The User's Guide manual includes the bq25050EVM bill of materials, board layout, and schematic. The bq25050/60 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It (...)

사용 설명서: PDF
TI.com에서 구매할 수 없습니다
패키지 핀 다운로드
WSON (DQC) 10 옵션 보기
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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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