제품 상세 정보

Number of series cells 1, 2, 3 Charge current (max) (A) 4 Vin (max) (V) 17 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 13.5 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Power Path Vin (min) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3 Charge current (max) (A) 4 Vin (max) (V) 17 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 13.5 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Power Path Vin (min) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RGY) 24 19.25 mm² 5.5 x 3.5
  • 1.6-MHz Synchronous Switched-Mode Charger
    with 4-A Integrated N-MOSFETs
  • Up to 94% Efficiency
  • 30-V Input Rating with Adjustable Overvoltage
    Protection
    • 4.5-V to 17-V Input Operating Voltage Range
  • Battery Charge Voltage
    • bq24170: 1-, 2-, or 3-Cell with 4.2 V/Cell
    • bq24172: Adjustable Charge Voltage
  • High Integration
    • Automatic Power Path Selector Between
      Adapter and Battery
    • Dynamic Power Management
    • Integrated 20-V Switching MOSFETs
    • Integrated Bootstrap Diode
    • Internal Digital Soft Start
  • Safety
    • Thermal Regulation Loop Throttles Back
      Current to Limit TJ = 120°C
    • Thermal Shutdown
    • Battery Thermistor Sense Hot/Cold Charge
      Suspend and Battery Detect
    • Adjustable Input Overvoltage Protection
    • Cycle-by-Cycle Current Limit
  • Accuracy
    • ±0.5% Charge Voltage Regulation
    • ±4% Charge Current Regulation
    • ±4% Input Current Regulation
  • <15-µA Battery Current With Adapter Removed
  • <1.5-mA Input Current With Adapter Present and
    Charge Disabled
  • 1.6-MHz Synchronous Switched-Mode Charger
    with 4-A Integrated N-MOSFETs
  • Up to 94% Efficiency
  • 30-V Input Rating with Adjustable Overvoltage
    Protection
    • 4.5-V to 17-V Input Operating Voltage Range
  • Battery Charge Voltage
    • bq24170: 1-, 2-, or 3-Cell with 4.2 V/Cell
    • bq24172: Adjustable Charge Voltage
  • High Integration
    • Automatic Power Path Selector Between
      Adapter and Battery
    • Dynamic Power Management
    • Integrated 20-V Switching MOSFETs
    • Integrated Bootstrap Diode
    • Internal Digital Soft Start
  • Safety
    • Thermal Regulation Loop Throttles Back
      Current to Limit TJ = 120°C
    • Thermal Shutdown
    • Battery Thermistor Sense Hot/Cold Charge
      Suspend and Battery Detect
    • Adjustable Input Overvoltage Protection
    • Cycle-by-Cycle Current Limit
  • Accuracy
    • ±0.5% Charge Voltage Regulation
    • ±4% Charge Current Regulation
    • ±4% Input Current Regulation
  • <15-µA Battery Current With Adapter Removed
  • <1.5-mA Input Current With Adapter Present and
    Charge Disabled

The bq2417x device is a highly integrated stand-alone Li-Ion and Li-Polymer switched-mode battery charger with two integrated N-channel power MOSFETs. The device offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current, and voltage. The bq2417x closely monitors the battery pack temperature to allow charge only in a preset temperature window. The bq24170 charges one, two, or three cells (selected by CELL pin), and the bq24172 is adjustable for up to three series Li+ cells.

The device charges the battery in three phases: precondictioning, constant current, and constant voltage.

Charge is terminated when the current reaches 10% of the fast charge rate. A programmable charge timer offers a safety backup. The bq2417x automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low-quiescent current sleep mode when the input voltage falls below the battery voltage.

The bq2417x features Dynamic Power Management (DPM) to reduce the charge current when the input power limit is reached to avoid overloading the adapter. A highly accurate current-sense amplifier enables precise measurement of input current from adapter to monitor overall system power.

The bq2417x provides power path selector gate driver ACDRV/CMSRC on input NMOS pair ACFET (Q1) and RBFET (Q2), and BATDRV on a battery PMOS device (Q3). When the qualified adapter is present, the system is directly connected to the adapter. Otherwise, the system is connected to the battery. In addition, the power path prevents battery from boosting back to the input.

The bq2417x charges a battery from a DC source as high as 17 V, including a car battery. The input overvoltage limit is adjustable through the OVPSET pin. The AVCC, ACP, and ACN pins have a 30-V rating. When a high-voltage DC source is inserted, Q1 and Q2 remain off to avoid high voltage damage to the system.

For 1-cell applications, if the battery is not removable, the system can be directly connected to the battery to simplify the power path design and reduce the cost. With this configuration, the battery can automatically supplement the system load if the adapter is overloaded.

The bq2417x is available in a 24-pin, 5.5-mm × 3.5-mm thin VQFN package.

The bq2417x device is a highly integrated stand-alone Li-Ion and Li-Polymer switched-mode battery charger with two integrated N-channel power MOSFETs. The device offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current, and voltage. The bq2417x closely monitors the battery pack temperature to allow charge only in a preset temperature window. The bq24170 charges one, two, or three cells (selected by CELL pin), and the bq24172 is adjustable for up to three series Li+ cells.

The device charges the battery in three phases: precondictioning, constant current, and constant voltage.

Charge is terminated when the current reaches 10% of the fast charge rate. A programmable charge timer offers a safety backup. The bq2417x automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low-quiescent current sleep mode when the input voltage falls below the battery voltage.

The bq2417x features Dynamic Power Management (DPM) to reduce the charge current when the input power limit is reached to avoid overloading the adapter. A highly accurate current-sense amplifier enables precise measurement of input current from adapter to monitor overall system power.

The bq2417x provides power path selector gate driver ACDRV/CMSRC on input NMOS pair ACFET (Q1) and RBFET (Q2), and BATDRV on a battery PMOS device (Q3). When the qualified adapter is present, the system is directly connected to the adapter. Otherwise, the system is connected to the battery. In addition, the power path prevents battery from boosting back to the input.

The bq2417x charges a battery from a DC source as high as 17 V, including a car battery. The input overvoltage limit is adjustable through the OVPSET pin. The AVCC, ACP, and ACN pins have a 30-V rating. When a high-voltage DC source is inserted, Q1 and Q2 remain off to avoid high voltage damage to the system.

For 1-cell applications, if the battery is not removable, the system can be directly connected to the battery to simplify the power path design and reduce the cost. With this configuration, the battery can automatically supplement the system load if the adapter is overloaded.

The bq2417x is available in a 24-pin, 5.5-mm × 3.5-mm thin VQFN package.

다운로드 스크립트와 함께 비디오 보기 동영상

관심 가지실만한 유사 제품

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
BQ24171 활성 JEITA 준수 및 전원 경로를 지원하는 독립형 1~3셀 4A 동기형 벅 배터리 충전기 This product supports adjustable cell voltage and JEITA temperature profile

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
3개 모두 보기
유형 직함 날짜
* Data sheet bq2417x 1.6-MHz Synchronous Switched-Mode Li-Ion and Li-Polymer Stand-Alone Battery Charger With Integrated MOSFETs and Power Path Selector datasheet (Rev. C) PDF | HTML 2015/04/30
Application note BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019/12/31
User guide bq24170EVM Evaluation Module 2010/11/12

설계 및 개발

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

평가 보드

BQ24170EVM-610-15V — BQ24170 1.6MHz 동기 스위치-모드 리튬 이온 및 리튬 폴리머 배터리 충전기용 평가 모듈

The Texas Instruments BQ24170EVM-610-15V (-002) evaluation module helps designers evaluate the operation and performance of the bq24170 synchronous battery charger. The EVM is also called the HPA610 (-002). This EVM is optimized for a 12V or 15V input voltage and charges between 1 and 3 cell (...)

사용 설명서: PDF
TI.com에서 구매 불가
평가 보드

BQ24170EVM-610-5V — BQ24170 1.6MHz 동기 스위치-모드 리튬 이온 및 리튬 폴리머 배터리 충전기용 평가 모듈

The Texas Instruments BQ24170EVM-610-5V (-001) evaluation module helps designers evaluate the operation and performance of the bq24170 synchronous battery charger. The EVM is also called the HPA610 (-001). This EVM is optimized for a 5V input voltage and charges a single cell 4.2V Li-ion battery. (...)

사용 설명서: PDF
TI.com에서 구매 불가
계산 툴

SLUC231 bq2417x Calculation Tool V1.0

지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
배터리 충전기 IC
BQ24170 전원 경로 선택기를 지원하는 독립형 1~3셀 4A 동기형 벅 배터리 충전기 BQ24172 독립형 1~3셀 4A 동기형 벅 배터리 충전기
계산 툴

SLUC244 bqswitcherII calculation tools V1.2

지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
배터리 충전기 IC
BQ24130 리튬 이온 및 슈퍼 커패시터용 독립형 1~3셀 벅 배터리 충전기 BQ24133 외부 전원 경로를 사용하는 독립형 1~3셀 2.5A 동기 벅 배터리 충전기 BQ24170 전원 경로 선택기를 지원하는 독립형 1~3셀 4A 동기형 벅 배터리 충전기 BQ24171 JEITA 준수 및 전원 경로를 지원하는 독립형 1~3셀 4A 동기형 벅 배터리 충전기 BQ24172 독립형 1~3셀 4A 동기형 벅 배터리 충전기
거버(Gerber) 파일

HPA610 Gerber Files

SLUC236.ZIP (289 KB)
레퍼런스 디자인

TIDA-00027 — 1.6MHz 동기식 스위치-모드 리튬 이온/리튬 폴리머 독립형 배터리 충전기 레퍼런스 디자인

This reference design is highly integrated stand-alone Li-ion and Li-polymer switch-mode battery charge solution with two integrated N-channel power MOSFETs and a power path selector gate driver. It offers a constant-frequency synchronous PWM controller with high accuracy regulation of input (...)
Test report: PDF
레퍼런스 디자인

TIDA-00028 — 1.6MHz 동기 스위치-모드 리튬 이온 및 리튬 폴리머 독립형 4A 배터리 충전기 레퍼런스 디자인

This reference design is highly integrated stand-alone Li-ion and Li-polymer switch-mode battery charge solution with two integrated N-channel power MOSFETs and a power path selector gate driver. It offers a constant-frequency synchronous PWM controller with high accuracy regulation of input (...)
Test report: PDF
회로도: PDF
레퍼런스 디자인

TIDA-00026 — 프로그래머블 멀티 케미스트리 고속 충전 관리 레퍼런스 디자인

This reference design is a programmable, monolithic IC solution for fast-charge management of nickel cadmium (NiCd), nickel metal-hydride (NiMH), or lithium-ion (Li-Ion) batteries in single- or multi-chemistry applications. It chooses the proper battery chemistry (either nickel or lithium) and (...)
Test report: PDF
회로도: PDF
패키지 CAD 기호, 풋프린트 및 3D 모델
VQFN (RGY) 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.

지원 및 교육

TI 엔지니어의 기술 지원을 받을 수 있는 TI E2E™ 포럼

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