產(chǎn)品詳情

Rating Catalog Number of series cells 1, 2, 3, 4, 5, 6 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 10 Features BAT temp thermistor monitoring (hot/cold profile), IINDPM (Input current limit), Power Path Vin (min) (V) 4.7 Vin (max) (V) 28 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 2.1 Battery charge voltage (max) (V) 26 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1, 2, 3, 4, 5, 6 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 10 Features BAT temp thermistor monitoring (hot/cold profile), IINDPM (Input current limit), Power Path Vin (min) (V) 4.7 Vin (max) (V) 28 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 2.1 Battery charge voltage (max) (V) 26 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm2 4 x 4
  • USB-Friendly 4.7-V to 28-V Input Operating
    Range
  • Stand-Alone Charge Controller to Support 1 to 6
    Li-Ion or Li-Polymer Battery Cells
  • Up to 10-A Charge Current and Adapter Current
  • 600-kHz NMOS-NMOS Synchronous Buck
    Converter
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
    • ±3% Adapter Current Accuracy
  • Integration
    • Automatic System Power Selection From
      Adapter or Battery
    • Internal Loop Compensation
    • Internal Soft Start
    • Dynamic Power Management
  • Safety Protection
    • Input Overvoltage Protection
    • Battery Thermistor Sense Hot/Cold Charge
      Suspend
    • Battery Detection
    • Reverse-Protection Input FET
    • Programmable Safety Timer
    • Charge Overcurrent Protection
    • Battery Short Protection
    • Battery Overvoltage Protection
    • Thermal Shutdown
  • Status Outputs
    • Adapter Present
    • Charger Operation Status
  • Charge Enable Pin
  • 6-V Gate Drive for Synchronous Buck Converter
  • 30-ns Driver Dead-Time and 99.5% Maximum
    Effective Duty Cycle
  • Energy Star Low Quiescent Current Iq
    • < 15-μA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Tablet PCs
    • Smart Phones
    • Portable Media Players, Navigation Devices,
      Notebooks and Ultra-Mobile PCs
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment

All other trademarks are the property of their respective owners
  • USB-Friendly 4.7-V to 28-V Input Operating
    Range
  • Stand-Alone Charge Controller to Support 1 to 6
    Li-Ion or Li-Polymer Battery Cells
  • Up to 10-A Charge Current and Adapter Current
  • 600-kHz NMOS-NMOS Synchronous Buck
    Converter
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
    • ±3% Adapter Current Accuracy
  • Integration
    • Automatic System Power Selection From
      Adapter or Battery
    • Internal Loop Compensation
    • Internal Soft Start
    • Dynamic Power Management
  • Safety Protection
    • Input Overvoltage Protection
    • Battery Thermistor Sense Hot/Cold Charge
      Suspend
    • Battery Detection
    • Reverse-Protection Input FET
    • Programmable Safety Timer
    • Charge Overcurrent Protection
    • Battery Short Protection
    • Battery Overvoltage Protection
    • Thermal Shutdown
  • Status Outputs
    • Adapter Present
    • Charger Operation Status
  • Charge Enable Pin
  • 6-V Gate Drive for Synchronous Buck Converter
  • 30-ns Driver Dead-Time and 99.5% Maximum
    Effective Duty Cycle
  • Energy Star Low Quiescent Current Iq
    • < 15-μA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Tablet PCs
    • Smart Phones
    • Portable Media Players, Navigation Devices,
      Notebooks and Ultra-Mobile PCs
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment

All other trademarks are the property of their respective owners

The bq24618 device is highly integrated Li-ion or Li-polymer switched-mode battery-charge controller. The bq24618 offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, adapter current regulation and charge status monitoring.

The bq24618 operates from either a USB port or AC adapter and supports charge currents up to 10 A. The device charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum user-selectable level. A programmable charge timer provides a safety backup for charge termination. The bq24618 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 bq24618 device is highly integrated Li-ion or Li-polymer switched-mode battery-charge controller. The bq24618 offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, adapter current regulation and charge status monitoring.

The bq24618 operates from either a USB port or AC adapter and supports charge currents up to 10 A. The device charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum user-selectable level. A programmable charge timer provides a safety backup for charge termination. The bq24618 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.
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類型 標(biāo)題 下載最新的英語版本 日期
* 數(shù)據(jù)表 bq24618 Stand-Alone USB-Friendly Synchronous Switched-Mode Li-Ion or Li-Polymer Battery Charger With System Power Selector and Low Iq 數(shù)據(jù)表 (Rev. B) PDF | HTML 2015年 4月 29日
應(yīng)用手冊(cè) BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019年 12月 31日
選擇指南 電源管理指南 2018 (Rev. K) 2018年 7月 31日

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SLUC175 — bq246xx Calculation Tool V1.5

支持的產(chǎn)品和硬件

支持的產(chǎn)品和硬件

產(chǎn)品
電池充電器 IC
BQ24600 — 獨(dú)立 1 至 6 節(jié)降壓電池充電控制器 BQ24610 — 具有 5V 至 28V 輸入的獨(dú)立 1 至 6 節(jié)降壓電池充電控制器 BQ24616 — 符合 JEITA 標(biāo)準(zhǔn)的獨(dú)立 1 至 6 節(jié)降壓電池充電控制器 BQ24617 — 具有 5V 至 24V 輸入的獨(dú)立 1 至 5 節(jié)降壓電池充電控制器 BQ24618 — 支持 USB 且具有 5V 至 28V 輸入的獨(dú)立 1 至 6 節(jié)降壓電池充電控制器 BQ24620 — 適用于磷酸鋰電池的獨(dú)立 1 至 7 節(jié)降壓電池充電控制器 BQ24630 — 適用于磷酸鐵鋰電池、具有系統(tǒng)功率的獨(dú)立 1 至 7 節(jié)降壓電池充電控制器 BQ24640 — 適用于超級(jí)電容器的獨(dú)立 1 至 8 節(jié)降壓電池充電控制器 BQ24650 — 具有太陽能輸入和集成式 MPPT 的獨(dú)立 1 至 6 節(jié)降壓電池充電控制器
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