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电池充电器 IC

BQ24715

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具有 N 沟道 MOSFET 选择器的 SMBus 2 至 3 节 NVDC 降压电池充电控制器

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BQ24715

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产品详情

Rating Catalog Number of series cells 2, 3 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 8 Features IINDPM (Input current limit), Input OVP Vin (min) (V) 6 Vin (max) (V) 24 Absolute max Vin (max) (V) 28 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 4.096 Battery charge voltage (max) (V) 14.5 Control interface SMBus Operating temperature range (°C) -20 to 125
Rating Catalog Number of series cells 2, 3 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 8 Features IINDPM (Input current limit), Input OVP Vin (min) (V) 6 Vin (max) (V) 24 Absolute max Vin (max) (V) 28 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 4.096 Battery charge voltage (max) (V) 14.5 Control interface SMBus Operating temperature range (°C) -20 to 125
VQFN (RGR) 20 12.25 mm² (3.5 mm × 3.5 mm)
  • 6-24V Input SMBus NVDC-1 2-3S Battery Charger Controller
  • System Instant-on Operation with No Battery or Deeply Discharged Battery
  • Ultra-Fast Transient Response of 100 µs
  • Ultra-Low Quiescent Current of 500 µA and High PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6
  • Switching Frequency: 600kHz/800kHz/1MHz
  • Programmable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy
    • ±0.5% Charge Voltage Regulation
    • ±3% Input/Charge Current Regulation
    • ±2% 40x Input/16x Discharge Current Monitor Output
  • Support Battery LEARN Function
  • Maximize CPU Performance with Deeply Discharged Battery or No Battery
  • Integrated NMOS ACFET and RBFET Driver
  • 20-pin 3.5 × 3.5 mm2 QFN Package
  • 6-24V Input SMBus NVDC-1 2-3S Battery Charger Controller
  • System Instant-on Operation with No Battery or Deeply Discharged Battery
  • Ultra-Fast Transient Response of 100 µs
  • Ultra-Low Quiescent Current of 500 µA and High PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6
  • Switching Frequency: 600kHz/800kHz/1MHz
  • Programmable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy
    • ±0.5% Charge Voltage Regulation
    • ±3% Input/Charge Current Regulation
    • ±2% 40x Input/16x Discharge Current Monitor Output
  • Support Battery LEARN Function
  • Maximize CPU Performance with Deeply Discharged Battery or No Battery
  • Integrated NMOS ACFET and RBFET Driver
  • 20-pin 3.5 × 3.5 mm2 QFN Package

The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count.

The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage.

The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also provides driver of the external P-channel battery FET. The loop compensation is fully integrated.

The bq24715 has programmable 11-bit charge voltage, 7-bit input/charge current and 6-bit minimal system voltage with very high regulation accuracies through the SMBus communication interface.

The v monitors adapter current or battery discharge current through the IOUT pin allowing the host to throttle down CPU speed when needed.

The bq24715 provides extensive safety features for over current, over voltage and MOSFET short circuit.

The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count.

The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage.

The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also provides driver of the external P-channel battery FET. The loop compensation is fully integrated.

The bq24715 has programmable 11-bit charge voltage, 7-bit input/charge current and 6-bit minimal system voltage with very high regulation accuracies through the SMBus communication interface.

The v monitors adapter current or battery discharge current through the IOUT pin allowing the host to throttle down CPU speed when needed.

The bq24715 provides extensive safety features for over current, over voltage and MOSFET short circuit.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 bq24715 2-3 Cell NVDC-1 Battery Charger Controller with Ultra-Fast Transient Response and High Light-Load Efficiency 数据表 (Rev. B) PDF | HTML 2016-9-20
模拟设计期刊 具备双重充电器的更快，更“酷”的充电方式 英语版 2015-11-16
模拟设计期刊 2015 年第 4 季度模拟应用期刊 英语版 2015-11-16

设计与开发

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评估板

BQ24715EVM-115 — BQ24715EVM-115 评估模块

SMBus Controlled NVDC-1 Charge Controller with N-CH MOSFET Selector and Current Monitoring; 2-3 Cells
用户指南: PDF
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评估模块 (EVM) 用 GUI

SLVC024 — bq24715 EVM GUI Package

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VQFN (RGR) 20 Ultra Librarian
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