現在提供此產品的更新版本
功能相同,但引腳輸出與所比較的裝置不同
BQ25618
- Single chip solution to charge wearable accessories from adapter or battery
- High-efficiency, 1.5MHz, synchronous switch-mode buck charger
- 95.5% charge efficiency at 0.5A and 94.5% efficiency at 1A
- ±0.5% charge voltage regulation (10mV step)
- I2C programmable JEITA profile of charge voltage, current and temperature thresholds
- Low termination current with high accuracy 20mA±10mA
- Small inductor form factor of 2.5 x 2.0 x 1.0mm3
- Boost mode with output from 4.6V to 5.15V
- 94% boost efficiency at 1A output
- Integrated control to switch between Charge and Boost mode
- PMID_GOOD pin control external PMOS FET for protection against fault conditions
- Single input supporting USB input, high-voltage adapter, or wireless power
- Support 4V to 13.5V input voltage range with 22V absolute max input rating
- Programmable input current limit (IINDPM) with I2C (100mA to 3.2A, 100mA/step)
- Maximum power tracking by input voltage limit (VINDPM) up to 5.4V
- VINDPM threshold automatically tracks battery voltage
- Narrow VDC (NVDC) power path management
- System instant-on with no battery or deeply discharged battery
- Flexible I2C configuration and autonomous charging for optimal system performance
- High integration includes all MOSFETs, current sensing and loop compensation
- Low RDSON 19.5mΩ BATFET to minimize charging loss and extend battery run time
- BATFET control for Ship mode, and full system reset with and without adapter
- 7µA low battery leakage current in Ship mode
- 9.5µA low battery leakage current with system standby
- High accuracy battery charging profile
- ±5% charge current regulation
- ±7.5% input current regulation
- Remote battery sensing to charge faster
- Programmable top-off timer for full battery charging
- Safety Related Certifications:
- IEC 62368-1 CB Certification
The BQ25618/619 integrates charge, boost converter and voltage protection in a single device. It offers the industry’s lowest termination current for switching chargers to charge wearable devices by full battery capacity. The BQ25618/619 best-in-class low quiescent current reduces battery leakage down to 6uA in Ship mode, which conserves battery energy to double the shelf life for the device. The BQ25619 is in a 4mm × 4mm QFN package for easy layout. The BQ25618 is in a 2.0mm × 2.4mm WCSP package for space limited design.
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檢視所有 4 設計與開發
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開發板
BQ25618EVM — 具有終端和 1.2-A 升壓的 I2C 控制 1 芯、1.5 降壓電池充電器評估模組
The BQ25618EVM is an evaulation module (EVM) used to test the BQ25618 device, a 1.5-A single-cell battery charger optimized for power bank applications in low power portable designs. The OTG reverse synchronous boost operation and forward buck mode operation allows for control over power (...)
使用指南: PDF
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 (...)
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
DSBGA (YFF) | 30 | 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
- 進行中持續性的可靠性監測
內含資訊:
- 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。