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BQ25720

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具有电源路径和 USB-C® PD OTG 的 SMBus 1-4 节电池 NVDC 降压/升压电池充电控制器

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BQ25720

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产品详情

Number of series cells 1, 2, 3, 4 Charge current (max) (A) 16.2 Vin (max) (V) 26 Cell chemistry Lead Acid, Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, NiCd, NiMH, SuperCap Battery charge voltage (min) (V) 1.024 Battery charge voltage (max) (V) 19.2 Absolute max Vin (max) (V) 32 Control topology Switch-Mode Buck-boost Control interface SMBus Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Power Path, USB C/PD compatible, USB OTG integrated Vin (min) (V) 3.5 Rating Catalog Operating temperature range (°C) -40 to 125
Number of series cells 1, 2, 3, 4 Charge current (max) (A) 16.2 Vin (max) (V) 26 Cell chemistry Lead Acid, Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, NiCd, NiMH, SuperCap Battery charge voltage (min) (V) 1.024 Battery charge voltage (max) (V) 19.2 Absolute max Vin (max) (V) 32 Control topology Switch-Mode Buck-boost Control interface SMBus Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Power Path, USB C/PD compatible, USB OTG integrated Vin (min) (V) 3.5 Rating Catalog Operating temperature range (°C) -40 to 125
WQFN (RSN) 32 16 mm² 4 x 4
  • Pin-to-pin compatible to BQ25710
  • Buck-boost narrow voltage DC (NVDC) charger for USB-C Power Delivery (PD) interface platform
    • 3.5-V to 26-V input range to charge 1- to 4-cell battery
    • Charge current up to 16.2 A/8.1 A with 128-mA/64-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Input current limit up to 10 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Support USB 2.0, USB 3.0, USB 3.1 and USB Power Delivery (PD)
    • Input Current Optimizer (ICO) to extract max input power without overloading the adapter
    • Integrated Fast Role Swap (FRS) feature following USB-PD specification
    • Seamless transition between buck, buck-boost, and boost operations
    • Input current and voltage regulation (IINDPM and VINDPM) against source overload
  • TI patented switching frequency dithering pattern for EMI noise reduction
  • TI patented Pass Through Mode (PTM) for system power efficiency improvement and battery fast charging achieving 99% efficiency.
  • IMVP8/IMVP9 compliant system features for Intel platform
    • Enhanced Vmin Active Protection (VAP) mode supplements battery from input capacitors during system peak power spike following latest Intel specification
    • Comprehensive PROCHOT profile
    • Two level discharge current limit PROCHOT profile to avoid battery wire-out
    • System power monitor
  • Input and battery current monitor through dedicated pins
  • Integrated 8-bit ADC to monitor voltage, current and power
  • Battery MOSFET ideal diode operation in supplement mode to support system when adapter is fully loaded
  • Power up USB port from battery (USB OTG)
    • 3-V to 24-V OTG with 8-mV resolution
    • Output current limit up to 12.7 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
  • 800-kHz/1.2-MHz programmable switching frequency with 2.2-µH/1.0-µH inductor
  • SMBus host control interface for flexible system configuration
  • High accuracy for the regulation and monitor
    • ±0.5% Charge voltage regulation
    • ±3% Charge current regulation
    • ±2.5% Input current regulation
    • ±2% Input/charge current monitor
  • Safety
    • Thermal shutdown
    • Input, system, battery overvoltage protection
    • Input, MOSFET, inductor overcurrent protection
  • Package: 32-Pin 4.0 mm × 4.0 mm WQFN
  • Pin-to-pin compatible to BQ25710
  • Buck-boost narrow voltage DC (NVDC) charger for USB-C Power Delivery (PD) interface platform
    • 3.5-V to 26-V input range to charge 1- to 4-cell battery
    • Charge current up to 16.2 A/8.1 A with 128-mA/64-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Input current limit up to 10 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Support USB 2.0, USB 3.0, USB 3.1 and USB Power Delivery (PD)
    • Input Current Optimizer (ICO) to extract max input power without overloading the adapter
    • Integrated Fast Role Swap (FRS) feature following USB-PD specification
    • Seamless transition between buck, buck-boost, and boost operations
    • Input current and voltage regulation (IINDPM and VINDPM) against source overload
  • TI patented switching frequency dithering pattern for EMI noise reduction
  • TI patented Pass Through Mode (PTM) for system power efficiency improvement and battery fast charging achieving 99% efficiency.
  • IMVP8/IMVP9 compliant system features for Intel platform
    • Enhanced Vmin Active Protection (VAP) mode supplements battery from input capacitors during system peak power spike following latest Intel specification
    • Comprehensive PROCHOT profile
    • Two level discharge current limit PROCHOT profile to avoid battery wire-out
    • System power monitor
  • Input and battery current monitor through dedicated pins
  • Integrated 8-bit ADC to monitor voltage, current and power
  • Battery MOSFET ideal diode operation in supplement mode to support system when adapter is fully loaded
  • Power up USB port from battery (USB OTG)
    • 3-V to 24-V OTG with 8-mV resolution
    • Output current limit up to 12.7 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
  • 800-kHz/1.2-MHz programmable switching frequency with 2.2-µH/1.0-µH inductor
  • SMBus host control interface for flexible system configuration
  • High accuracy for the regulation and monitor
    • ±0.5% Charge voltage regulation
    • ±3% Charge current regulation
    • ±2.5% Input current regulation
    • ±2% Input/charge current monitor
  • Safety
    • Thermal shutdown
    • Input, system, battery overvoltage protection
    • Input, MOSFET, inductor overcurrent protection
  • Package: 32-Pin 4.0 mm × 4.0 mm WQFN

The BQ25720 is a synchronous NVDC buck-boost battery charge controller to charge a 1- to 4-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters.

The NVDC configuration allows the system to be regulated based on battery voltage, but not drop below system minimum voltage. The system keeps operating even when the battery is completely discharged or removed. When load power exceeds input source rating, the battery goes into supplement mode and prevents the system from crashing.

During power up, the charger sets the converter to a buck, boost, or buck-boost configuration based on the input source and battery conditions. The charger seamlessly transitions between the buck, boost, and buck-boost operation modes without host control.

In the absence of an input source, the BQ25720 supports the USB On-the-Go (OTG) function from a 1- to 4-cell battery to generate an adjustable 3-V to 24-V output on VBUS with 8-mV resolution. The OTG output voltage transition slew rate can be configured to comply with the USB-PD 3.0 PPS specification.

When only a battery powers the system and no external load is connected to the USB OTG port, the BQ25720 implements the latest Intel Vmin Active Protection (VAP) feature, in which the device charges up the VBUS voltage from the battery to store some energy in the input decoupling capacitors. During a system peak power spike, the energy stored in the input capacitors supplements the system, to prevent the system voltage from dropping below the minimum system voltage and causing a system crash.

The BQ25720 monitors adapter current, battery current, and system power. The flexibly programmed PROCHOT output goes directly to the CPU for throttle back when needed.

The latest version of the USB-C PD specification includes Fast Role Swap (FRS) to ensure power role swapping occurs in a timely fashion so that the device(s) connected to the dock can avoid experiencing momentary power loss or glitching. This device integrates FRS in compliance with the PD specification.

TI patented switching frequency dithering pattern can significantly reduce EMI noise over the whole conductive EMI frequency range (150 kHz to 30 MHz). Multiple dithering scale options are available to provide flexibility for different applications to simplify EMI noise filter design.

The charger can be operated in the TI patented Pass Through Mode (PTM) to improve efficiency over the full load range. In PTM, input power is directly passed through the charger to the system. Switching losses of the MOSFETs and inductor core loss can be saved for high efficiency operation.

The BQ25720 is available in a 32-pin 4 mm × 4 mm WQFN package.

The BQ25720 is a synchronous NVDC buck-boost battery charge controller to charge a 1- to 4-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters.

The NVDC configuration allows the system to be regulated based on battery voltage, but not drop below system minimum voltage. The system keeps operating even when the battery is completely discharged or removed. When load power exceeds input source rating, the battery goes into supplement mode and prevents the system from crashing.

During power up, the charger sets the converter to a buck, boost, or buck-boost configuration based on the input source and battery conditions. The charger seamlessly transitions between the buck, boost, and buck-boost operation modes without host control.

In the absence of an input source, the BQ25720 supports the USB On-the-Go (OTG) function from a 1- to 4-cell battery to generate an adjustable 3-V to 24-V output on VBUS with 8-mV resolution. The OTG output voltage transition slew rate can be configured to comply with the USB-PD 3.0 PPS specification.

When only a battery powers the system and no external load is connected to the USB OTG port, the BQ25720 implements the latest Intel Vmin Active Protection (VAP) feature, in which the device charges up the VBUS voltage from the battery to store some energy in the input decoupling capacitors. During a system peak power spike, the energy stored in the input capacitors supplements the system, to prevent the system voltage from dropping below the minimum system voltage and causing a system crash.

The BQ25720 monitors adapter current, battery current, and system power. The flexibly programmed PROCHOT output goes directly to the CPU for throttle back when needed.

The latest version of the USB-C PD specification includes Fast Role Swap (FRS) to ensure power role swapping occurs in a timely fashion so that the device(s) connected to the dock can avoid experiencing momentary power loss or glitching. This device integrates FRS in compliance with the PD specification.

TI patented switching frequency dithering pattern can significantly reduce EMI noise over the whole conductive EMI frequency range (150 kHz to 30 MHz). Multiple dithering scale options are available to provide flexibility for different applications to simplify EMI noise filter design.

The charger can be operated in the TI patented Pass Through Mode (PTM) to improve efficiency over the full load range. In PTM, input power is directly passed through the charger to the system. Switching losses of the MOSFETs and inductor core loss can be saved for high efficiency operation.

The BQ25720 is available in a 32-pin 4 mm × 4 mm WQFN package.
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BQ25730 正在供货 具有电源路径和 USB-C™ PD OTG 的 I2C 1 至 5 节电池 NVDC 降压/升压电池充电控制器 This product is a 1-5-cell I2C buck-boost NVDC charge controller with power path and 400-kHz/800-kHz programmable switching frequency.

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类型 项目标题 下载最新的英语版本 日期
* 数据表 BQ25720 SMBus 1- to 4-Cell Narrow VDC Buck-Boost Battery Charge Controller With System Power Monitor and Processor Hot Monitor 数据表 PDF | HTML 2021年 5月 25日
用户指南 BQ25720、BQ25723 评估模块 PDF | HTML 下载英文版本 PDF | HTML 2022年 1月 31日
更多文献资料 Independent Charger and Gauge Smart Battery System PDF | HTML 2021年 10月 15日
更多文献资料 Buck-Boost NVDC Battery Charger for Notebook Application Design Using BQ25720 PDF | HTML 2021年 10月 5日
技术文章 When to use rechargeable batteries in small battery applications 2019年 10月 1日
技术文章 Should I use a linear charger or a switching charger? 2015年 10月 31日
技术文章 Summertime and the livin' is easy 2014年 6月 20日

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评估板

BQ25720EVM — BQ25720 SMBus、1 至 4 节、8A、NVDC 降压/升压电池充电器控制器评估模块

BQ25720 评估模块 (EVM) 是具有 N 沟道 MOSFET 选择器和电流监控功能的 SMBus 控制式 NVDC（窄电压直流）降压/升压充电控制器。降压转换器的输入电压范围为 3.5V 至 26V，并具有 1-4 节电池的可编程输出以及 64mA 至 8A 的充电输出电流范围。此 EVM 不含 EV2400 接口器件；如需评估 BQ25720 EVM，则须单独订购此器件。
用户指南: PDF | HTML
下载英文版本: PDF | HTML
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BQ24800 — 支持混合动力升压和电池升压模式的 SMBus 1 至 4 节降压电池充电控制器 BQ25720 — 具有电源路径和 USB-C® PD OTG 的 SMBus 1-4 节电池 NVDC 降压/升压电池充电控制器 BQ25723 — 具有电源路径和 USB-C® PD OTG 的 I²C 1-4 节电池 NVDC 降压/升压电池充电控制器 BQ25731 — 具有 USB type-C PD 支持的 I2C 1 至 5 节 NVDC 降压/升压电池充电控制器 BQ25790 — 集成式、NVDC、5A、1 至 4 节开关模式降压/升压电池充电器 BQ25792 — 具有双输入选择器和 USB PD 3.0 OTG 输出的 I2C 控制型 1 节至 4 节电池 5A 降压/升压充电器
电池电量监测
BQ27220 — 具有预编程化学成分的单节电池组/系统侧 CEDV 电池电量监测计 BQ27320 — 单节电池组/系统侧 CEDV 电池电量监测计 BQ27425-G1 — 具有直接电池连接功能的系统侧 Impedance Track™ 电量监测计 | 电池电量监测计 BQ27425-G2A — 适用于钴酸锂电池的系统侧 Impedance Track™ 电量监测计 BQ27425-G2B — 适用于锰酸锂电池的系统侧 Impedance Track™ 电量监测计 BQ27510-G3 — 系统侧 Impedance-Track 电量监测计，可提供 32 字节的用户可编程数据闪存 BQ27520-G4 — 具有集成 LDO 的系统侧 Impedance Track™ 电量监测计 BQ27530-G1 — 具有直接电池连接功能的系统侧 Impedance Track 电量监测计 BQ27531-G1 — 适用于 bq2419x 充电器控制器的电池管理单元 Impedance Track™ 电量监测计 BQ27532-G1 — 适用于 bq2425x 充电器的电池管理单元 Impedance Track™ 电量监测计 BQ27541-G1 — 带集成 LDO 的电池组侧 Impedance Track™ 电池电量监测计 BQ27541-V200 — 用于电池组集成的单节锂离子电池电量监测计；固件升级到 BQ27541 BQ27542-G1 — 采用 SON 封装的单节电池 Impedance Track™ 电池组侧电量监测计 BQ27545-G1 — 单节电池、电池组侧、Impedance Track™ 电量监测计 BQ27546-G1 — 采用 DSBGA 封装的单节电池 Impedance Track™ 电池组侧电量监测计 BQ27621-G1 — 具有动态电压相关性的系统侧电量监测计，电池电量监测计 BQ27741-G1 — 带集成保护器的电池组侧 Impedance Track™ 电量监测计 BQ27742-G1 — 具有集成保护功能的单节锂离子电池电量监测计 | 电池电量监测计 BQ27Z561 — 适用于 1 节电池的 Impedance Track™ 集成电路电量计解决方案 BQ27Z746 — Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector BQ28Z610 — 适用于 1-2 节串联电池组并具有集成保护器的电池电量监测计 BQ34110 — 集成了极少放电型模块的多化合物高电池节数电池电量监测计 BQ34210-Q1 — 通过汽车级认证的单节电池系统侧 CEDV 电量监测计 BQ34Z100-G1 — 多化合物 Impedance Track™ 独立电量监测计 | 电池电量监测计 BQ35100 — 用于不可充电电池（锂原）的电池电量监测计和放电结束监测计 BQ4050 — 1 至 4 节串联 CEDV 电池电量监测计 BQ40Z50 — 1 至 4 节串联锂离子电池组管理器 | 电池电量监测计 BQ40Z50-R1 — 支持涡轮模式 1.0 的 1 至 4 节串联锂离子电池组管理器 BQ40Z50-R2 — 支持涡轮模式 2.0 的 1 至 4 节串联锂离子电池组管理器 BQ40Z60 — 完整的多节电池管理器 | 电池电量监测计 BQ40Z80 — 采用 Impedance Track™ 电量监测技术的 2 节至 7 节电池组管理器 BQ78350 — 采用 IMPEDANCE TRACK™ 的符合 SBS 1.1 的电量监测计 BQ78350-R1 — CEDV 锂离子电池电量监测计和电池管理控制器 BQ78Z100 — 适用于 1 至 2 节电池的 Impedance Track™ 电池电量监测计
硬件开发
MKST-3P-ALT-EV2300 — EV2300 alternative for use with BQMTESTER and ADVANCED-BQMTESTER
软件
下载选项
封装 引脚数 下载
WQFN (RSN) 32 了解详情

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
  • 认证摘要
  • 持续可靠性监测

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