產品詳細資料

Number of series cells 1, 2, 3, 4, 5, 6 Charge current (max) (A) 10 Vin (max) (V) 28 TI functional safety category Functional Safety-Capable Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 2.1 Battery charge voltage (max) (V) 26 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IINDPM (Input current limit), Input OVP, Power Path Vin (min) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3, 4, 5, 6 Charge current (max) (A) 10 Vin (max) (V) 28 TI functional safety category Functional Safety-Capable Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 2.1 Battery charge voltage (max) (V) 26 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IINDPM (Input current limit), Input OVP, Power Path Vin (min) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm² 4 x 4
  • 600-kHz NMOS-NMOS Synchronous buck converter
  • Stand-alone charger support for li-ion or li-polymer
  • 5-V to 28-V VCC Input operating range and supports 1- to 6-battery cells (BQ24610)
  • 5-V to 24-V VCC Input operating range and supports 1- to 5-battery cells (BQ24617)
  • Up to 10-A charge current and adapter current
  • 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
    • Non Power Path option for low total BOM cost
    • Internal loop compensation and soft start
    • Dynamic power management
  • Safety protection
    • Input overvoltage protection
    • Battery thermistor sense hot and 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
  • Energy star low quiescent current Iq
    • < 15-µA Off-state battery discharge current
    • < 1.5-mA Off-state input quiescent current
  • 600-kHz NMOS-NMOS Synchronous buck converter
  • Stand-alone charger support for li-ion or li-polymer
  • 5-V to 28-V VCC Input operating range and supports 1- to 6-battery cells (BQ24610)
  • 5-V to 24-V VCC Input operating range and supports 1- to 5-battery cells (BQ24617)
  • Up to 10-A charge current and adapter current
  • 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
    • Non Power Path option for low total BOM cost
    • Internal loop compensation and soft start
    • Dynamic power management
  • Safety protection
    • Input overvoltage protection
    • Battery thermistor sense hot and 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
  • Energy star low quiescent current Iq
    • < 15-µA Off-state battery discharge current
    • < 1.5-mA Off-state input quiescent current

The BQ2461x is a highly integrated Li-ion, Li-polymer or Lead-acid switched-mode battery charge controller. The device 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 BQ2461x 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. The BQ2461x 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 BQ2461x is a highly integrated Li-ion, Li-polymer or Lead-acid switched-mode battery charge controller. The device 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 BQ2461x 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. The BQ2461x 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 標題 日期
* Data sheet BQ2461x Stand-Alone 1- to 6-Cell Synchronous Buck Battery Charger Controller datasheet (Rev. D) PDF | HTML 2019年 12月 16日
Analog Design Journal Multibattery management in medical ultrasound systems (Rev. B) PDF | HTML 2023年 6月 8日
Technical article How to choose the right battery-charger IC for ultrasound point-of-care products PDF | HTML 2021年 3月 24日
Functional safety information BQ24610 Functional Safety FIT Rate, and Pin FMA 2020年 10月 6日
Application note How to Charge a Lead-Acid Battery With a Li-Ion Charger 2020年 4月 29日
Application note Design Example Charge 3 Super Capacitors in Series with Health Monitoring 2020年 4月 8日
Application note BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019年 12月 31日
Technical article Using battery charger ICs to shrink your design for vacuum robots PDF | HTML 2018年 3月 21日
Product overview Battery Management Solutions for Point of Sale Systems 2014年 8月 18日
Application note How to Review a Multicell Switching Charger Schematic 2011年 9月 21日
User guide bq2461x/bq2463x (HPA422A) Multi-Cell Synchronous Switch-Mode Charger (Rev. A) 2010年 7月 27日

設計與開發

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開發板

BQ24610EVM — 適用於 BQ24610 多芯同步切換模式電池充電器評估模組

The bq2461x is highly integrated Li-ion or Li-polymer switch-mode battery charge controllers. The bq2463x is highly integrated switch-mode battery charge controllers designed specifically to charge Lithium Phosphate battery chemistries. They offer a constant-frequency synchronous PWM controller (...)

使用指南: PDF
TI.com 無法提供
計算工具

SLUC175 bq246xx Calculation Tool V1.5

支援產品和硬體

支援產品和硬體

產品
電池充電器 IC
BQ24600 獨立式 1-6 芯降壓電池充電控制器 BQ24610 獨立式 1-6 芯降壓電池充電控制器,具 5V-28V 輸入 BQ24616 符合 JEITA 標準的獨立式 1-6 芯降壓電池充電控制器 BQ24617 獨立式 1-5 芯降壓電池充電控制器,具 5V-24V 輸入 BQ24618 獨立式 1-6 芯降壓電池充電控制器,具 5V-28V 輸入且適用 USB BQ24620 適用鋰磷酸鹽電池的獨立式 1-7 芯降壓電池充電控制器 BQ24630 具系統電源且適用 LiFePO4 電池的獨立式 1-7 芯降壓電池充電器控制器 BQ24640 適用超級電容器的獨立式 1-8 芯降壓電池充電器 BQ24650 具太陽能輸入和整合式 MPPT 的獨立式 1-6 芯降壓電池充電控制器
參考設計

TIDA-00040 — 高電壓多芯同步切換式充電器參考設計

This reference design provides a solution for charging the 7-cell Li-ion battery. It is an integrated Li-ion or Li-polymer switch-mode battery charge controller solution. It offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation. (...)
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RGE) 24 Ultra Librarian

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  • 認證摘要
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