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電池管理 IC
電池充電器 IC

BQ24610

現行

獨立式 1-6 芯降壓電池充電控制器，具 5V-28V 輸入

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產品規格表

BQ24610

現行
產品規格表 立即訂購

產品詳細資料

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), Input OVP, Power Path Vin (min) (V) 5 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) TI functional safety category Functional Safety-Capable 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), Input OVP, Power Path Vin (min) (V) 5 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) TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm² (4 mm × 4 mm)
  • 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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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 BQ2461x Stand-Alone 1- to 6-Cell Synchronous Buck Battery Charger Controller datasheet (Rev. D) PDF | HTML 2019/12/16
類比設計期刊 Multibattery management in medical ultrasound systems (Rev. B) PDF | HTML 2023/6/8
技術文章 How to choose the right battery-charger IC for ultrasound point-of-care products PDF | HTML 2021/3/24
功能安全資訊 BQ24610 Functional Safety FIT Rate, and Pin FMA 2020/10/6
應用說明 How to Charge a Lead-Acid Battery With a Li-Ion Charger 2020/4/29
應用說明 Design Example Charge 3 Super Capacitors in Series with Health Monitoring PDF | HTML 2020/4/8
應用說明 BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019/12/31
技術文章 Using battery charger ICs to shrink your design for vacuum robots PDF | HTML 2018/3/21
Product overview Battery Management Solutions for Point of Sale Systems 2014/8/18
應用說明 How to Review a Multicell Switching Charger Schematic 2011/9/21

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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
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計算工具

SLUC175 — bq246xx Calculation Tool V1.5

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參考設計

TIDA-00040 — 高電壓多芯同步切換模式充電器參考設計

此參考設計提供了一種給 7 芯鋰離子電池充電的解決方案。這是一款整合式鋰離子或鋰聚合物開關模式電池充電控制器解決方案。該方案可為恆頻同步開關 PWM 控制器提供高精準度充電電流和電壓調節。其他功能包括充電預處理、終止和充電狀態監控。解決方案電路板以三個階段為電池充電：預處理、恆定電流及恆定電壓。電流達使用者選擇的最低電平時，便終止充電。可編程充電定時器可以為充電終止提供額外的安全保障。當電池電壓低於內部閾值時，此設計會自動重新啟動充電循環；輸入電壓低於電池電壓時，會進入低靜態電流休眠模式。

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VQFN (RGE) 24 Ultra Librarian
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