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電池充電器 IC

BQ25600D

現行

採用 WCSP 且具有電源路徑、USB 偵測和 OTG 的 I2C 單芯 3A 降壓電池充電器

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BQ25620 現行 具有 18-V 最大輸入、整合式 ADC 和 OTG 輸出的 I²C 控制單芯 3.5-A 降壓電池充電器 This product is a 3.5-A buck charger with low battery leakage current

BQ25600D

現行
產品規格表 立即訂購

產品詳細資料

Number of series cells 1 Charge current (max) (A) 3 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.85 Battery charge voltage (max) (V) 4.62 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 3 Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.85 Battery charge voltage (max) (V) 4.62 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.9 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFF) 30 5.71999999999999912 mm² 2.2 x 2.5999999999999996
  • High-efficiency, 1.5-MHz, synchronous switch-mode buck charger
    • 92% charge efficiency at 2-A from 5-V input
    • Optimized for USB voltage input (5 V)
    • Selectable low power pulse frequency modulation (PFM) mode for light load operations
  • Supports USB On-The-Go (OTG)
    • Boost converter with up to 1.2-A output
    • 92% boost efficiency at 1-A output
    • Accurate constant current (CC) limit
    • Soft-start up to 500-µF capacitive load
    • Output short circuit protection
    • Low power PFM mode for light load operations
  • Single input to support USB input and high voltage adapters
    • Support 3.9-V to 13.5-V input voltage range with 22-V absolute maximum input voltage rating
    • Programmable input current limit (100 mA to 3.2 A with 100-mA resolution) to support USB 2.0, USB 3.0 standards and high voltage adaptors (IINDPM)
    • Maximum power tracking by input voltage limit up to 5.4 V (VINDPM)
    • VINDPM threshold automatically tracks battery voltage
    • Auto detect USB SDP, DCP and non-standard adaptors
  • High battery discharge efficiency with 19.5-mΩ battery discharge MOSFET
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery
    • Ideal diode operation in battery supplement mode
  • BATFET control to support ship mode, wake up and full system reset
  • Flexible autonomous and I2C mode for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • 17-µA low battery leakage current
  • High accuracy
    • ±0.5% charge voltage regulation
    • ±6% at 1.38-A charge current regulation
    • ±10% at 0.9-A Input current regulation
    • Remote battery sensing for fast charge
  • High-efficiency, 1.5-MHz, synchronous switch-mode buck charger
    • 92% charge efficiency at 2-A from 5-V input
    • Optimized for USB voltage input (5 V)
    • Selectable low power pulse frequency modulation (PFM) mode for light load operations
  • Supports USB On-The-Go (OTG)
    • Boost converter with up to 1.2-A output
    • 92% boost efficiency at 1-A output
    • Accurate constant current (CC) limit
    • Soft-start up to 500-µF capacitive load
    • Output short circuit protection
    • Low power PFM mode for light load operations
  • Single input to support USB input and high voltage adapters
    • Support 3.9-V to 13.5-V input voltage range with 22-V absolute maximum input voltage rating
    • Programmable input current limit (100 mA to 3.2 A with 100-mA resolution) to support USB 2.0, USB 3.0 standards and high voltage adaptors (IINDPM)
    • Maximum power tracking by input voltage limit up to 5.4 V (VINDPM)
    • VINDPM threshold automatically tracks battery voltage
    • Auto detect USB SDP, DCP and non-standard adaptors
  • High battery discharge efficiency with 19.5-mΩ battery discharge MOSFET
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery
    • Ideal diode operation in battery supplement mode
  • BATFET control to support ship mode, wake up and full system reset
  • Flexible autonomous and I2C mode for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • 17-µA low battery leakage current
  • High accuracy
    • ±0.5% charge voltage regulation
    • ±6% at 1.38-A charge current regulation
    • ±10% at 0.9-A Input current regulation
    • Remote battery sensing for fast charge

The BQ25600 and BQ25600D are highly-integrated 3.0-A switch-mode battery charge management and system power path management devices for single cell Li-ion and Li-polymer batteries. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time, and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution.

The BQ25600 and BQ25600D feature fast charging with high input voltage support for a wide range of smartphones, tablets and portable devices. Its input voltage and current regulation and battery remote sensing deliver maximum charging power to the battery. It also integrates a bootstrap diode for the high-side gate drive for simplified system design. The I2C serial interface with charging and system settings makes the device a truly flexible solution.

The device supports a wide range of input sources, including standard USB host port, USB charging port, and USB compliant high voltage adapter. The device sets the default input current limit based on the built-in USB interface. To set the default input current limit, the device uses the built-in USB interface, or takes the result from the detection circuit in the system, such as USB PHY device. The device is compliant with the USB 2.0 and USB 3.0 power specs with input current and voltage regulation. The device also meets the USB On-the-Go (OTG) operation power rating specification by supplying 5.15 V on VBUS with a constant current limit up to 1.2 A.

The power path management regulates the system slightly above battery voltage but does not drop below the 3.5-V minimum system voltage (programmable). With this feature, the system maintains operation even when the battery is completely depleted or removed. When the input current limit or voltage limit is reached, the power path management automatically reduces the charge current to zero. As the system load continues to increase, the power path discharges the battery until the system power requirement is met. This Supplement mode prevents overloading the input source.

The device initiates and completes a charging cycle without software control. It senses battery voltage and charges the battery in three phases: pre-conditioning, constant current, and constant voltage. At the end of the charging cycle, the charger automatically terminates when the charge current is below a preset limit and the battery voltage is higher than the recharge threshold. If the fully charged battery falls below the recharge threshold, the charger automatically starts another charging cycle.

The charger provides various safety features for battery charging and system operations including: battery negative temperature coefficient thermistor monitoring, charging safety timer, and overvoltage and overcurrent protections. The thermal regulation reduces charge current when the junction temperature exceeds 110°C (programmable). The STAT output reports charging status and any fault conditions. Other safety features include battery temperature sensing for charge and boost mode, thermal regulation and thermal shutdown, and input UVLO and overvoltage protection. The VBUS_GD bit indicates if a good power source is present. The INT output immediately notifies the host when a fault occurs.

The device also provides the QON pin for BATFET enable and reset control to exit low power ship mode or the full system reset function.

The device family is available in a 30-ball, 2.0 mm × 2.4 mm WCSP package.

The BQ25600 and BQ25600D are highly-integrated 3.0-A switch-mode battery charge management and system power path management devices for single cell Li-ion and Li-polymer batteries. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time, and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution.

The BQ25600 and BQ25600D feature fast charging with high input voltage support for a wide range of smartphones, tablets and portable devices. Its input voltage and current regulation and battery remote sensing deliver maximum charging power to the battery. It also integrates a bootstrap diode for the high-side gate drive for simplified system design. The I2C serial interface with charging and system settings makes the device a truly flexible solution.

The device supports a wide range of input sources, including standard USB host port, USB charging port, and USB compliant high voltage adapter. The device sets the default input current limit based on the built-in USB interface. To set the default input current limit, the device uses the built-in USB interface, or takes the result from the detection circuit in the system, such as USB PHY device. The device is compliant with the USB 2.0 and USB 3.0 power specs with input current and voltage regulation. The device also meets the USB On-the-Go (OTG) operation power rating specification by supplying 5.15 V on VBUS with a constant current limit up to 1.2 A.

The power path management regulates the system slightly above battery voltage but does not drop below the 3.5-V minimum system voltage (programmable). With this feature, the system maintains operation even when the battery is completely depleted or removed. When the input current limit or voltage limit is reached, the power path management automatically reduces the charge current to zero. As the system load continues to increase, the power path discharges the battery until the system power requirement is met. This Supplement mode prevents overloading the input source.

The device initiates and completes a charging cycle without software control. It senses battery voltage and charges the battery in three phases: pre-conditioning, constant current, and constant voltage. At the end of the charging cycle, the charger automatically terminates when the charge current is below a preset limit and the battery voltage is higher than the recharge threshold. If the fully charged battery falls below the recharge threshold, the charger automatically starts another charging cycle.

The charger provides various safety features for battery charging and system operations including: battery negative temperature coefficient thermistor monitoring, charging safety timer, and overvoltage and overcurrent protections. The thermal regulation reduces charge current when the junction temperature exceeds 110°C (programmable). The STAT output reports charging status and any fault conditions. Other safety features include battery temperature sensing for charge and boost mode, thermal regulation and thermal shutdown, and input UVLO and overvoltage protection. The VBUS_GD bit indicates if a good power source is present. The INT output immediately notifies the host when a fault occurs.

The device also provides the QON pin for BATFET enable and reset control to exit low power ship mode or the full system reset function.

The device family is available in a 30-ball, 2.0 mm × 2.4 mm WCSP package.
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類型 標題 日期
* Data sheet BQ25600 and BQ25600D I2C Controlled 1-Cell 3.0-A Buck Battery Chargers for High-Input Voltage and NVDC Power Path Management datasheet (Rev. B) PDF | HTML 2022年 3月 4日
Application note Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers PDF | HTML 2022年 11月 10日
Application note USB D+/D- Input Current Limit Detection PDF | HTML 2020年 12月 30日
EVM User's guide bq25600, bq25600D PWR771 EVM User’s Guide 2017年 9月 26日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

BQ25600DEVM-771 — 具有 NVDC 電源路徑管理功能的 BQ25600D 單節 3A I2C 電池充電器評估模組

he bq25600D evaluation module (EVM) is a complete charger module for evaluating an I2C-controlled single cell battery charger using the bq25600D device in WCSP. The user's guide provides detailed testing instructions for the bq25600D evaluation modules. Also included are descriptions of the (...)
使用指南: PDF
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應用軟體及架構

BQSTUDIO — Battery Management Studio (bqStudio) 軟體

Battery Management Studio (bqStudio) 提供全套的強固工具，可協助評估、設計、配置、測試或使用 TI 電池管理產品的程序。其中包括可提供暫存器及資料記憶體完整存取的功能，包括支援即時觀看、繪圖和記錄、傳送命令的簡易介面、直接低階通訊和 I/O，以及用於配置、校準和執行學習週期的自動化和引導支援，進而產生實用的檔案，以利裝置投入生產。

在 bqStudio 中也支援舊產品，如 bq20xxx 和 bq30xxx。從適當的產品頁面下載特定的評估軟體。此外，您為 bqStudio 下載的最新化學更新程式需要 bqStudio 的更新版。
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驅動程式或資料庫

BQ256XXSW-LINUX — 適用 BQ256XX 的 Linux 驅動程式

The Linux driver supports the BQ256XX family of I2C Controlled, 1-cell, switch-mode battery charge management and system power path management ICs. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.

Linux mainline status

Available in Linux (...)

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