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電池充電器 IC

BQ25731

現行

具有 USB type-C PD 支援的 I2C 1-5 芯 NVDC 升壓-降壓電池充電控制器

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產品規格表

BQ25731

現行
產品規格表 立即訂購

產品詳細資料

Number of series cells 1, 2, 3, 4, 5 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) 23 Absolute max Vin (max) (V) 32 Control topology Switch-Mode Buck-boost Control interface I2C Features IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, USB C/PD compatible, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.5 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3, 4, 5 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) 23 Absolute max Vin (max) (V) 32 Control topology Switch-Mode Buck-boost Control interface I2C Features IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, USB C/PD compatible, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3.5 Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RSN) 32 16 mm² 4 x 4
  • No battery MOSFET for saving cost and high efficiency
  • 400-kHz/800-kHz programmable switching frequency for high efficiency/high power density
  • Buck-boost charger for USB-C Power Delivery (PD) interface platform
    • 3.5-V to 26-V input range to charge 1- to 5-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
    • 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.
  • Input and battery current monitor through dedicated pins
  • Integrated 8-bit ADC to monitor voltage, current and power
  • Support independent comparator logic with dedicated pins
  • 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
  • I2C 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
  • No battery MOSFET for saving cost and high efficiency
  • 400-kHz/800-kHz programmable switching frequency for high efficiency/high power density
  • Buck-boost charger for USB-C Power Delivery (PD) interface platform
    • 3.5-V to 26-V input range to charge 1- to 5-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
    • 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.
  • Input and battery current monitor through dedicated pins
  • Integrated 8-bit ADC to monitor voltage, current and power
  • Support independent comparator logic with dedicated pins
  • 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
  • I2C 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 BQ25731 is a synchronous buck-boost battery charge controller to charge a 1- to 5-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters. It offers a low component count, high efficiency solution for space constrained, 1- to 5-cell battery charging applications.

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 transits between the buck, boost, and buck-boost operation modes without host control.

The BQ25731 is a synchronous buck-boost battery charge controller to charge a 1- to 5-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters. It offers a low component count, high efficiency solution for space constrained, 1- to 5-cell battery charging applications.

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 transits between the buck, boost, and buck-boost operation modes without host control.
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Information

更多資訊

  • 若您想考慮使用符合通用標準、高達 20V 的 USB Type-C PD 埠為充電器供電，請考慮 TPS25750

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BQ25730 現行 具有電源路徑和 USB-C ® PD OTG 的 I²C 1-5 芯 NVDC 降壓-升壓電池充電控制器 This product has power path.

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類型 標題 日期
* Data sheet BQ25731 I2C 1- to 5-Cell Buck-Boost Battery Charge Controller with USB-C PD 3.0 OTG Output datasheet (Rev. A) PDF | HTML 2021年 1月 28日
Application note Finding the Correct Battery Charging Design to Power Vacuum Robot System PDF | HTML 2024年 3月 4日
Application note Layout Guide for Buck-Boost Charger BQ257XX Series PDF | HTML 2024年 1月 30日
Product overview Scalable Battery Backup Subsystem With Adjustable Output (Rev. A) PDF | HTML 2023年 10月 16日
EVM User's guide BQ2573x Evaluation Module (Rev. A) PDF | HTML 2021年 1月 19日
Technical article Adding USB Type-C® with USB Power Delivery to battery-powered applications PDF | HTML 2020年 11月 11日
Certificate BQ25731EVM EU Declaration of Conformity (DoC) 2020年 6月 19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

BQ25731EVM — I2C NVDC 1 至 5 芯、16-A、降壓-升壓充電器控制器評估模組

BQ25731EVM 評估模組 (EVM) 是一款具有 N 通道 MOSFET 選擇器和電流監控功能的 I2C 控制的 NVDC (窄電壓 DC) 降壓升壓充電控制器。降壓轉換器的輸入電壓範圍介於 3.5 V 和 26 V 之間，具有 1 至 5 個電池芯的可編程輸出，以及 128 mA 至 15 A 的充電輸出電流範圍。此 EVM 不包含 EV2400 介面裝置；必須單獨訂購才能評估 BQ25731 EVM。
使用指南: PDF | HTML
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應用軟體及架構

BQSTUDIO-STABLE — Battery Management Studio (bqStudio) Software – stable version downloads for bq series of TI battery fuel gauges

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

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支援產品和硬體

支援產品和硬體

產品
電池監控器和平衡器
BQ76942 — 3 串聯至 10 串聯多芯電池監控器和保護器 BQ76952 — 適用於鋰離子、鋰聚合物和磷酸鐵鋰的 3-s 至 16-s 高準確度電池監控器和保護器
電池充電器 IC
BQ24800 — 支援混合動力升壓和電池升壓模式的 SMBus 1 至 4 節降壓電池充電控制器 BQ25720 — 具有電源路徑和 USB-C ® PD OTG 的 SMBus 1- 至 4- 芯 NVDC 降壓-升壓電池充電控制器 BQ25723 — 具有電源路徑和 USB-C ® PD OTG 的 I²C 1-4 芯 NVDC 降壓-升壓電池充電控制器 BQ25731 — 具有 USB type-C PD 支援的 I2C 1-5 芯 NVDC 升壓-降壓電池充電控制器 BQ25790 — 整合式 NVDC 5-A 1 至 4 芯切換模式降壓/升壓電池充電器 BQ25792 — 具備雙輸入選擇器與 USB PD 3.0 OTG 輸出的 I2C 控制、5-A、1-4 芯降壓-升壓充電器
電池電量指示
BQ27220 — 具預編程化學設定檔的單芯電池組/系統端 CEDV 電池電量 (氣量) 計 BQ27320 — 單芯電池組/系統側 CEDV 電池電量 (氣量) 計 BQ27425-G1 — 具直接電池連線的 System-side Impedance Track™; 電量計 | 電池電量計 BQ27425-G2A — LiCoO2 電池系統側 Impedance Track™; 電量計 BQ27425-G2B — 系統側 Impedance Track™; 電量計 LiMn2O4 電池 BQ27520-G4 — 具整合式 LDO 的系統側 Impedance Track™ 電量計。 BQ27530-G1 — 具直接電池連線的 System-side Impedance Track 電量 (氣量) 計 BQ27531-G1 — 適用 bq2419x 充電器控制器的電池管理單元 Impedance Track™ 電量 (氣量) 計 BQ27532-G1 — 適用於 bq2425x 充電器的電池管理裝置 Impedance Track™ 電量計 BQ27545-G1 — 單芯封裝側電量計 Impedance Track™ 電量計 BQ27546-G1 — 採用 DSBGA 封裝的單芯 Impedance Track™ 封裝側電量計 BQ27621-G1 — 具動態電壓關聯的系統側電池電量計，電池電量計 BQ27741-G1 — 含整合式保護器的電池組側 Impedance Track™(tm) 電量 (氣量) 計 BQ27742-G1 — 具整合式保護的單芯鋰離子電池電量計 | 電池氣量計 BQ27Z561 — 適用於 1 串聯的 Impedance Track™ 積體電路氣量計解決方案 BQ28Z610 — 具整合保護器且適用 1-2 系列電池組的電池電量計 BQ34110 — 具有整合式極少放電模組的多化學高芯數電池電量表 BQ34210-Q1 — 符合車用資格的單芯系統側 CEDV 電量計 BQ34Z100-G1 — 多化學 Impedance Track™ 獨立電池電量計 | 電池氣量計 BQ35100 — 非充電式電池 (鋰主電池) 和服務結束監視器的電池電量表 BQ4050 — 1-4 系列 CEDV 電池電量 (氣量) 計 BQ40Z50 — 1-4 系列鋰離子電池組管理器 | 電池燃料電量 (氣量) 計 BQ40Z50-R1 — 支援 Turbo 模式 1.0 的 1-4 系列鋰電池組管理器 BQ40Z50-R2 — 支援 Turbo 模式 2.0 的 1-4 系列鋰離子電池組管理器 BQ40Z60 — 完整多芯電池管理器 | 電池電量 (氣量) 計 BQ40Z80 — 具有 Impedance Track™ 氣量計量的 2-s 至 6-s 電池組管理器 BQ78350 — 適用 bq76940 監視器系列的配套 CEDV 電量計電池管理控制器 BQ78350-R1 — CEDV 鋰離子電量計和電池管理控制器 BQ78Z100 — 適用於 1 串聯至 2 串聯的 Impedance Track™ 電池電量 (氣量) 計
下載選項
應用軟體及架構

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

lock = 需要匯出核准 (1 分鐘)
支援產品和硬體

支援產品和硬體

產品
Battery monitors & balancers
BQ769142 — 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery BQ76942 — 3-series to 10-series multicell battery monitor and protector BQ76952 — 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
Battery charger ICs
BQ24800 — SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 — SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 — I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 — I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25756 — Stand-alone or I²C controlled 70-V bidirectional buck-boost charge controller with MPPT BQ25790 — Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 — I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 — Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 — Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 — System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A — System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B — System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27427 — 具有預編程化學及整合感測器的單芯系統端電池電量 (氣量) 計 BQ27510-G3 — System-side Impedance-Track fuel gauge that provides 32 bytes of user-programmable data Flash memory BQ27520-G4 — System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 — System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 — Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 — Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27541-G1 — Pack-side Impedance Track™ battery fuel gauge with integrated LDO BQ27541-V200 — Single cell Li-ion battery fuel gauge for battery pack Integration; FW upgrade to BQ27541 BQ27542-G1 — Single cell Impedance Track™ pack side fuel gauge with SON package BQ27545-G1 — Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 — Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 — System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 — Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 — Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 — Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z746 — 具有整合式保護器的電池組側、單芯 Impedance Track™ 技術電量計 BQ28Z610 — Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 — Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 — Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 — Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 — Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 — 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 — 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 — Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 — 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 — Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 — CEDV li-ion gas gauge and battery management controller BQ78Z100 — Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
硬體開發
MKST-3P-ALT-EV2300 — 適用 EV2300 通訊收發器的 MKS 技術替代方案
下載選項
應用軟體及架構

TI-CHARGER-GUI — 適於與 USB2ANY 和電池充電搭配使用的 GUI 軟體評估模組

TI-CHARGER-GUI 提供網路型或獨立式圖形使用者介面，協助評估、設計、配置或測試電池充電器產品。該軟體提供暫存器的完整存取權，以及用於傳送及排序指令的簡易介面。
在雲端評估
參考設計

PMP41013 — 適用於一至五節電池的整合式 USB Type-C® PD 雙向充電參考設計

此參考設計是一款整合 USB Type-C® 電力輸送 (PD) 和充電參考設計 (使用一至五節電池)，適合 USB Type-C 埠的電動工具充電器、真空吸塵器、可攜式充電器等領域之應用。
Test report: PDF
參考設計

TIDA-010240 — 可擴充多組智慧型電池充電器參考設計

隨身行李通常不允許放置超過 100 瓦時數 (Wh) 的鋰電池，而此規定的任何例外情況均由航空公司自行裁定，並需事先獲得核准。此參考設計是一種智慧型高效率充電器設計，適用於高達 100 Wh 的雙智慧電池組，以平行配置的 1S–5S 鋰離子 (Li-ion) 電池形式實作。
Design guide: PDF
參考設計

PMP22805 — 配備 USB 隨插即用 (OTG) 的 24-VIN、240-W、98% 效率、精巧型 5S 電池充電器參考設計

此電池充電器參考設計專為 5 至 24-VIN、240-W 電動工具而設計，該工具配備 BQ25731 一至五芯 NVDC 降壓-升壓電池充電控制器。這是高功率、高效率及高密度設計。PMP22805 以 98% 的效率提供 240 W 功率，適合精巧的 1.08 英吋 x 1.68 英吋 (27.4 公釐 x 42.7 公釐) 體積外型。USB 隨插即用 (OTG) 功能使其成為行動電源。它是以高功率、高效率和高密度為首要優先考量的電動工具的理想選擇。此參考設計支援 1 至 5S 電池，並接受如 USB Type-C® PD 介面等的寬輸入範圍。
Test report: PDF
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