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電池管理 IC
電池充電器 IC

BQ25890

現行

具有 D+/D- 且適用於高輸入的 I2C 單芯 5A 降壓電池充電器 Maxcharge™ 技術

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產品規格表

BQ25890

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 5 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 D+/D-/BC1.2 integrated, USB OTG integrated Vin (min) (V) 3.9 Vin (max) (V) 14 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.84 Battery charge voltage (max) (V) 4.6 Control interface I2C Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 5 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 D+/D-/BC1.2 integrated, USB OTG integrated Vin (min) (V) 3.9 Vin (max) (V) 14 Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.84 Battery charge voltage (max) (V) 4.6 Control interface I2C Operating temperature range (°C) -40 to 85
WQFN (RTW) 24 16 mm² (4 mm × 4 mm)
  • High efficiency 5-A, 1.5-MHz Switch Mode buck charge
    • 93% Charge efficiency at 2 A and 91% charge efficiency at 3-A charge current
    • Optimize for high voltage input (9 V to 12 V)
    • Low power PFM Mode for light-load operations
  • USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
    • Selectable 500-kHz and 1.5-MHz Boost Converter with up-to 2.4-A output
    • 93% Boost efficiency at 5 V at 1-A output
    • Accurate Hiccup Mode overcurent protection
  • Single input to support USB input and adjustable high voltage adapters
    • Support 3.9-V to 14-V input voltage range
    • Input current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adapters
    • Maximum power tracking by input voltage limit up-to 14 V for wide range of adapters
    • Auto detect USB SDP, CDP, DCP, and non-standard adapters (BQ25890)
  • Input Current Optimizer (ICO) to maximize input power without overloading adapters
  • Resistance Compensation (IRCOMP) from charger output to cell terminal
  • Highest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 A
  • Integrated ADC for system monitor (voltage, temperature, charge current)
  • 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
  • 12-µA Low battery leakage current to support Ship Mode
  • High Accuracy
    • ±0.5% Charge voltage regulation
    • ±5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing for charge and Boost Mode
    • Thermal regulation and thermal shutdown
  • High efficiency 5-A, 1.5-MHz Switch Mode buck charge
    • 93% Charge efficiency at 2 A and 91% charge efficiency at 3-A charge current
    • Optimize for high voltage input (9 V to 12 V)
    • Low power PFM Mode for light-load operations
  • USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
    • Selectable 500-kHz and 1.5-MHz Boost Converter with up-to 2.4-A output
    • 93% Boost efficiency at 5 V at 1-A output
    • Accurate Hiccup Mode overcurent protection
  • Single input to support USB input and adjustable high voltage adapters
    • Support 3.9-V to 14-V input voltage range
    • Input current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adapters
    • Maximum power tracking by input voltage limit up-to 14 V for wide range of adapters
    • Auto detect USB SDP, CDP, DCP, and non-standard adapters (BQ25890)
  • Input Current Optimizer (ICO) to maximize input power without overloading adapters
  • Resistance Compensation (IRCOMP) from charger output to cell terminal
  • Highest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 A
  • Integrated ADC for system monitor (voltage, temperature, charge current)
  • 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
  • 12-µA Low battery leakage current to support Ship Mode
  • High Accuracy
    • ±0.5% Charge voltage regulation
    • ±5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing for charge and Boost Mode
    • Thermal regulation and thermal shutdown

The BQ25890, BQ25892 are highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.

The BQ25890, BQ25892 are highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
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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 BQ25890/2 I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. D) PDF | HTML 2022/10/12
應用說明 Single Cell Battery Charger Applications with Dual Sources PDF | HTML 2025/8/11
應用說明 Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers PDF | HTML 2022/11/10
應用說明 USB D+/D- Input Current Limit Detection PDF | HTML 2020/12/30
應用說明 Extracting Maximum Power from an Adapter with Input Current Optimization Feature (Rev. C) 2019/8/2
技術文章 Finding the maximum adapter power for the fastest battery charging PDF | HTML 2017/10/16
應用說明 Battery Charger Overload Protection in Boost Mode Operation 2017/7/12
應用說明 Handshaking Between Adjustable HVDCP Adapters and Battery Chargers 2016/11/15
技術文章 How to protect your EPOS processor from short-circuits in 9-V USB charging PDF | HTML 2016/4/21
類比設計期刊 Faster, cooler charging with dual chargers 2015/10/30
類比設計期刊 4Q 2015 Analog Applications Journal 2015/10/30
應用說明 Using the bq2589x ADC to Estimate Battery Temperature 2015/5/4
類比設計期刊 Dynamic power management for faster, more efficient battery charging 2013/10/28

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

BQ25890EVM-664 — BQ25890 完整充電器評估模組

bq25890 評估模組 (EVM) 是一款完整的充電器模組，用於評估高度整合的開關模式電池充電管理與系統電源路徑管理裝置，適用於各類智慧型手機與平板電腦應用中的單節鋰離子與鋰聚合物電池。

BQ25890EVM-664 需要搭配 USB 介面的電腦介面板 EV2300 或 EV2400 來進行 I2C 通訊。如果您尚未擁有此介面板，且需要使用 I2C 功能，則可透過 eStore 訂購。立即購買 EV2300 或 EV2400。

使用指南: PDF | HTML
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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

BQ25890SW-LINUX — 適用於 BQ25890 的 Linux 驅動程式

The Linux driver supports the BQ25890 5-A fast charger. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.

 

Linux mainline status

Available in Linux mainline: Yes
Available through git.ti.com: N/A

Linux source Files

The files associated with this (...)

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模擬型號

bq2589x Calculation Tools (Rev. A)

SLURAX7A.ZIP (305 KB) - 功率模型
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參考設計

PMP15011 — 適用於由單節鋰離子電池供電之終端設備的串級式雙充電器參考設計

搭載 3AHr+ 1S 鋰離子電池的智慧型手機和其他手持設備需要 3A+ de 充電器電流才能快速充電。  並聯充電器可提供高充電電流，縮短充電時間，並將熱損耗分配到終端設備 PCB 上，進而防止出現熱點。  在串級配置中，主充電器的 PMID 針腳連接至從屬充電器的 VBUS，因此輸入電流限制管理會透過主充電器處理，進而簡化軟體開發。  
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參考設計

TIDA-00590 — 雙電池充電器 IC 參考設計尺寸（以 Cascode 配置連接）

最新的智慧型手機和平板電腦中容量更高的 1S 電池需要更高的充電電流才能更快地進行充電。  並聯配置採用 12V 電源與以串疊方式連接的兩個 5A 電池充電器 IC，可提供超過 5A 的充電電流。  此外，充電器功率損耗產生的熱量會分布到您的 PCB 上。

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參考設計

TIDA-00818 — 行動銷售點 (mPOS) 電源參考設計

TIDA-00818 是行動銷售點 (mPOS) 參考設計，採用 1S1P 鋰離子電池架構，可縮減系統尺寸和成本。整合式負載開關可減少待機耗電量，並盡可能延長電池壽命，實現單芯架構。也配備 USB Type-C 充電連接埠，可支援更高的功率傳輸，並大幅縮短充電時間。

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參考設計

TIDA-01582 — 適用於 USB 電力傳輸可編程電源供應的開關電容快速充電參考設計

此參考設計的目標是展示在智慧型手機應用中使用切換式電容快速充電拓撲結構時的總體系統性能。此系統採用智慧型壁式轉接器，其可支援 USB 電力傳輸 (PD) 可編程電源供應器 (PPS) 規格，以減少充電纜線的損耗，並減少智慧型手機的損耗和溫度上升。bq25970 是 TI 首款可提供高達 8A 電池充電電流的切換式電容充電器。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RTW) 24 Ultra Librarian
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