開發模組 (EVM) 的 GUI
BQ24715
- 6-24V Input SMBus NVDC-1 2-3S Battery Charger Controller
- System Instant-on Operation with No Battery or Deeply Discharged Battery
- Ultra-Fast Transient Response of 100 µs
- Ultra-Low Quiescent Current of 500 µA and High PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6
- Switching Frequency: 600kHz/800kHz/1MHz
- Programmable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy
- ±0.5% Charge Voltage Regulation
- ±3% Input/Charge Current Regulation
- ±2% 40x Input/16x Discharge Current Monitor Output
- Support Battery LEARN Function
- Maximize CPU Performance with Deeply Discharged Battery or No Battery
- Integrated NMOS ACFET and RBFET Driver
- 20-pin 3.5 × 3.5 mm2 QFN Package
The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count.
The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage.
The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also provides driver of the external P-channel battery FET. The loop compensation is fully integrated.
The bq24715 has programmable 11-bit charge voltage, 7-bit input/charge current and 6-bit minimal system voltage with very high regulation accuracies through the SMBus communication interface.
The v monitors adapter current or battery discharge current through the IOUT pin allowing the host to throttle down CPU speed when needed.
The bq24715 provides extensive safety features for over current, over voltage and MOSFET short circuit.
技術文件
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檢視所有 3 | 重要文件 | 類型 | 標題 | 格式選項 | 日期 |
|---|---|---|---|---|
| * | Data sheet | bq24715 2-3 Cell NVDC-1 Battery Charger Controller with Ultra-Fast Transient Response and High Light-Load Efficiency datasheet (Rev. B) | PDF | HTML | 2016年 9月 20日 |
| Analog Design Journal | 4Q 2015 Analog Applications Journal | 2015年 10月 30日 | ||
| Analog Design Journal | Faster, cooler charging with dual chargers | 2015年 10月 30日 |
設計與開發
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開發板
BQ24715EVM-115 — BQ24715EVM-115 評估模組
SMBus Controlled NVDC-1 Charge Controller with N-CH MOSFET Selector and Current Monitoring; 2-3 Cells
使用指南: PDF
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGR) | 20 | Ultra Librarian |
訂購與品質
內含資訊：
- 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
- 認證摘要
- 進行中的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點