BQ25713
- Pin-to-pin and software compatible to BQ25703A
- Charge 1s to 4s battery from wide range of input source
- 3.5-V to 24-V Input operating voltage
- Supports USB2.0, USB 3.0, USB 3.1 (Type C), and USB Power Delivery (USB-PD) input current settings
- Seamless transition among buck, buck-boost and boost operations
- Input current and voltage regulation (IDPM and VDPM) against source overload
- Power/current monitor for CPU throttling
- Comprehensive PROCHOT profile, IMVP8/IMVP9 compliant
- Input and battery current monitor
- System power monitor, IMVP8/IMVP9 compliant
- Narrow voltage DC (NVDC) power path management
- Instant-on with no battery or depleted battery
- Battery supplements system when adapter is fully-loaded
- Battery MOSFET ideal diode operation in supplement mode
- Power up USB port from battery (USB OTG)
- 3-V to 20.8-V VOTG With 8-mV resolution
- Output current limit up to 6.4 A with 50-mA resolution
- TI patented Pass Through Mode (PTM) for system power efficiency improvement and battery fast charging
- When system is powered by battery only, Vmin Active Protection (VAP) mode supplements battery from input capacitors during system peak power spike
- Input Current Optimizer (ICO) to extract max input power
- 800-kHz or 1.2-MHz Programmable switching frequency for 2.2-µH or 1.0-µH inductor
- Host control interface for flexible system configuration
- I 2C Port optimal system performance and status reporting
- Hardware pin to set input current limit without EC control
- Integrated ADC to monitor voltage, current and power
- High accuracy for the regulation and monitor
- ±0.5% Charge voltage regulation
- ±2% Input/charge current regulation
- ±2% Input/charge current monitor
- ±4% Power monitor
- Safety
- Thermal shutdown
- Input, system, battery overvoltage protection
- Input, MOSFET, inductor overcurrent protection
- Safety-Related Certifications:
- IEC 62368-1 CB Certification
- Low battery quiescent current
- Package: 32-Pin 4 × 4 WQFN
This device is a synchronous NVDC buck-boost battery charge controller, offering a low component count, high efficiency solution for space constrained, 1s-4s battery charging applications.
The NVDC configuration allows the system to be regulated at 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.
The BQ25713/BQ25713B charges battery from a wide range of input sources including USB adapter, high voltage USB PD sources and traditional adapters.
During power up, the charger sets converter to buck, boost or buck-boost configuration based on input source and battery conditions. The charger automatically transits among buck, boost and buck-boost configuration without host control.
In the absence of an input source, the BQ25713/BQ25713B supports USB On-the-Go (OTG) function from 1- to 4-cell battery to generate adjustable 3 V to 20.8 V on VBUS with 8 mV resolution. The OTG output voltage transition slew rate can be configurable, which is complied with the USB PD 3.0 PPS specifications.
When only battery powers the system and no external load is connected to the USB OTG port, the BQ25713/BQ25713B supports the 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 the system peak power spike, the huge current drawing from the battery creates a larger voltage drop across the impedance from the battery to the system. The energy stored in the input capacitors will supplement the system, to prevent the system voltage from dropping below the minimum system voltage and causing the system crash. This Vmin Active Protection (VAP) is designed to absorb system power peaks during periods of SOC high power demand, which is highly recommended by Intel for the platforms with 1S~2S battery.
The BQ25713/BQ25713B monitors adapter current, battery current and system power. The flexibly programmed PROCHOT output goes directly to CPU for throttle back when needed.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | BQ25713, BQ25713B I2C Narrow VDC Buck-Boost Battery Charge Controller With System Power Monitor and Processor Hot Monitor datasheet (Rev. C) | PDF | HTML | 2023年 5月 24日 |
| Application note | Layout Guide for Buck-Boost Charger BQ257XX Series | PDF | HTML | 2024年 1月 30日 | |
| Analog Design Journal | Multibattery management in medical ultrasound systems (Rev. B) | PDF | HTML | 2023年 6月 8日 | |
| Application note | How to Quickly and Safely Charge Supercapacitors | PDF | HTML | 2023年 3月 27日 | |
| Technical article | How to choose the right battery-charger IC for ultrasound point-of-care products | PDF | HTML | 2021年 3月 24日 | |
| Technical article | 4 Reasons why you should use a boost charger for 2-cell battery application | PDF | HTML | 2019年 4月 3日 | |
| EVM User's guide | bq2571x Evaluation Module User's Guide (Rev. B) | 2018年 10月 9日 | ||
| Application note | Buck boost charger with power path for Super Cap | 2018年 8月 2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)。
BQ25713EVM-017 — BQ25713 I2C NVDC 降壓升壓充電器評估模組
BQSTUDIO — Battery Management Studio (bqStudio) 軟體
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。
PMP40441 — 適用於 USB PD PPS 的多芯降壓-升壓電池充電器系統參考設計
| 封裝 | 引腳 | 下載 |
|---|---|---|
| WQFN (RSN) | 32 | 檢視選項 |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。