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电池充电器 IC

BQ24620

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适用于磷酸锂电池的独立 1 至 7 节降压电池充电控制器

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BQ24620

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米6体育平台手机版_好二三四详情

Number of series cells 1, 2, 3, 4, 5, 6, 7 Charge current (max) (A) 10 Vin (max) (V) 28 Cell chemistry Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 1.8 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) Vin (min) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3, 4, 5, 6, 7 Charge current (max) (A) 10 Vin (max) (V) 28 Cell chemistry Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 1.8 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) Vin (min) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RVA) 16 12.25 mm² 3.5 x 3.5
  • 300-kHz NMOS-NMOS Synchronous Buck
    Converter
  • Stand-Alone Charger Designed Specifically for
    Lithium Phosphate
  • 5-V to 28-V VCC Operating Range, Supports 1 to
    7 Battery Cells
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
  • Integration
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Input Overvoltage Protection
    • Battery Thermistor Sense Suspend Charge at
      Hot/Cold Charge Suspend and Automatically
      ICHARGE/8 at WARM/COOL
    • Battery Detection
    • Built-In 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 99.95% Maximum
    Effective Duty Cycle
  • 16-Pin 3.5-mm × 3.5-mm QFN Package
  • Energy Star Low Iq
    • < 15-µA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Power Tools and Portable Equipment
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment
    • Netbooks, Mobile Internet Devices, and
      Ultramobile PCs

All other trademarks are the property of their respective owners
  • 300-kHz NMOS-NMOS Synchronous Buck
    Converter
  • Stand-Alone Charger Designed Specifically for
    Lithium Phosphate
  • 5-V to 28-V VCC Operating Range, Supports 1 to
    7 Battery Cells
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge Voltage Accuracy
    • ±3% Charge Current Accuracy
  • Integration
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Input Overvoltage Protection
    • Battery Thermistor Sense Suspend Charge at
      Hot/Cold Charge Suspend and Automatically
      ICHARGE/8 at WARM/COOL
    • Battery Detection
    • Built-In 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 99.95% Maximum
    Effective Duty Cycle
  • 16-Pin 3.5-mm × 3.5-mm QFN Package
  • Energy Star Low Iq
    • < 15-µA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
  • APPLICATIONS
    • Power Tools and Portable Equipment
    • Personal Digital Assistants
    • Handheld Terminals
    • Industrial and Medical Equipment
    • Netbooks, Mobile Internet Devices, and
      Ultramobile PCs

All other trademarks are the property of their respective owners

The bq24620 device is a highly integrated lithium phosphate 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, and charge status monitoring.

The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.

The bq24620 device is a highly integrated lithium phosphate 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, and charge status monitoring.

The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.
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类型 标题 下载最新的英语版本 日期
* 数据表 bq24620 Stand-Alone Synchronous Switched-Mode Lithium Phosphate Battery Charger With Low Iq 数据表 (Rev. B) PDF | HTML 2015年 6月 17日
应用手册 BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019年 12月 31日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
用户指南 Multi Cell Synchronous Switch-Mode Charger, EVM (HPA421) 2010年 2月 18日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

BQ24620EVM — 用于 BQ24620 多节同步开关模式充电器的评估模块

bq24600/bq24620/bq24640 评估模块。bq2461x 是高度集成的锂离子或锂聚合物开关模式电池充电控制器。bq2463x 是高度集成的开关模式电池充电控制器，专为磷酸锂电池化学物充电而设计。bq24640 是高度集成的超级电容器开关模式充电控制器。它们可以为恒频同步 PWM 控制器提供高准确度充电电流和电压调节、适配器电流调节、终止、充电预处理和充电状态监控。bq24600/bq24620 (...)

用户指南: PDF
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计算工具

SLUC175 — bq246xx Calculation Tool V1.5

支持的米6体育平台手机版_好二三四和硬件

支持的米6体育平台手机版_好二三四和硬件

米6体育平台手机版_好二三四
电池充电器 IC
BQ24600 — 独立 1 至 6 节降压电池充电控制器 BQ24610 — 具有 5V 至 28V 输入的独立 1 至 6 节降压电池充电控制器 BQ24616 — 符合 JEITA 标准的独立 1 至 6 节降压电池充电控制器 BQ24617 — 具有 5V 至 24V 输入的独立 1 至 5 节降压电池充电控制器 BQ24618 — 支持 USB 且具有 5V 至 28V 输入的独立 1 至 6 节降压电池充电控制器 BQ24620 — 适用于磷酸锂电池的独立 1 至 7 节降压电池充电控制器 BQ24630 — 适用于磷酸铁锂电池、具有系统功率的独立 1 至 7 节降压电池充电控制器 BQ24640 — 适用于超级电容器的独立 1 至 8 节降压电池充电控制器 BQ24650 — 具有太阳能输入和集成式 MPPT 的独立 1 至 6 节降压电池充电控制器
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VQFN (RVA) 16 Ultra Librarian
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

推荐米6体育平台手机版_好二三四可能包含与 TI 此米6体育平台手机版_好二三四相关的参数、评估模块或参考设计。

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