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BQ24610
- 600-kHz NMOS-NMOS Synchronous buck converter
- Stand-alone charger support for li-ion or li-polymer
- 5-V to 28-V VCC Input operating range and supports 1- to 6-battery cells (BQ24610)
- 5-V to 24-V VCC Input operating range and supports 1- to 5-battery cells (BQ24617)
- Up to 10-A charge current and adapter current
- High-accuracy voltage and current regulation
- ±0.5% Charge voltage accuracy
- ±3% Charge current accuracy
- ±3% Adapter current accuracy
- Integration
- Automatic system power selection from adapter or battery
- Non Power Path option for low total BOM cost
- Internal loop compensation and soft start
- Dynamic power management
- Safety protection
- Input overvoltage protection
- Battery thermistor sense hot and cold charge suspend
- Battery detection
- Reverse protection input FET
- Programmable safety timer
- Charge overcurrent protection
- Battery short protection
- Battery overvoltage protection
- Thermal shutdown
- Status Outputs
- Adapter present
- Charger operation status
- Charge enable pin
- 6-V Gate drive for synchronous buck converter
- Energy star low quiescent current Iq
- < 15-µA Off-state battery discharge current
- < 1.5-mA Off-state input quiescent current
The BQ2461x is a highly integrated Li-ion, Li-polymer or Lead-acid switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, adapter current regulation, and charge status monitoring.
The BQ2461x charges the battery in three phases: preconditioning, constant current, and constant voltage.
Charge is terminated when the current reaches a minimum user-selectable level. A programmable charge timer provides a safety backup. The BQ2461x automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low quiescent current sleep mode when the input voltage falls below the battery voltage.
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開發板
BQ24610EVM — 適用於 BQ24610 多芯同步切換模式電池充電器評估模組
The bq2461x is highly integrated Li-ion or Li-polymer switch-mode battery charge controllers. The bq2463x is highly integrated switch-mode battery charge controllers designed specifically to charge Lithium Phosphate battery chemistries. They offer a constant-frequency synchronous PWM controller (...)
使用指南: PDF
參考設計
TIDA-00040 — 高電壓多芯同步切換式充電器參考設計
This reference design provides a solution for charging the 7-cell Li-ion battery. It is an integrated Li-ion or Li-polymer switch-mode battery charge controller solution. It offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation. (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGE) | 24 | 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。