計(jì)算工具
BQ24630
- 300-kHz NMOS-NMOS Synchronous Buck
Converter - Stand-Alone Charger Specifically for Lithium
Phosphate - 5-V–28-V VCC Input Operating Range,
Supports 1–7 Battery Cells - 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 - Internal Loop Compensation
- Internal Soft Start
- Dynamic Power Management (DPM)
- Automatic System Power Selection From
- Safety Protection
- Input Overvoltage Protection
- Battery Thermistor Sense Suspend Charge at
Hot/Cold and Automatically ICHARGE/8 at
Hot/Cold or Warm/Cool - 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
- 30-ns Driver Dead Time and 99.95% Max.
Effective Duty Cycle - 24-Pin 4-mm × 4-mm QFN Package
- Energy Star Low Quiescent Current Iq
- < 15-μA Off-State Battery Discharge Current
- < 1.5-mA Off-State Input Quiescent Current
- APPLICATIONS
- Power Tool and Portable Equipment
- Personal Digital Assistants
- Handheld Terminals
- Industrial and Medical Equipment
- Netbook, Mobile Internet Device, and Ultra-Mobile
PC
All other trademarks are the property of their respective owners
The bq24630 is a highly integrated lithium phosphate 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 bq24630 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 bq24630 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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查看全部 5 | 類型 | 標(biāo)題 | 下載最新的英語版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 數(shù)據(jù)表 | bq24630 Standalone Synchronous Switched-Mode Lithium Phosphate Battery Charger With System Power Selector and Low Iq 數(shù)據(jù)表 (Rev. B) | PDF | HTML | 2015年 7月 31日 | ||
| 應(yīng)用手冊(cè) | LiFePO4 設(shè)計(jì)注意事項(xiàng) | PDF | HTML | 英語版 | PDF | HTML | 2023年 7月 27日 | |
| 應(yīng)用手冊(cè) | BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers | 2019年 12月 31日 | ||||
| 選擇指南 | 電源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
| 用戶指南 | bq2461x/bq2463x (HPA422A) Multi-Cell Synchronous Switch-Mode Charger (Rev. A) | 2010年 7月 27日 |
設(shè)計(jì)和開發(fā)
如需其他信息或資源，請(qǐng)點(diǎn)擊以下任一標(biāo)題進(jìn)入詳情頁面查看（如有）。
評(píng)估板
BQ24630EVM — 用于 BQ24630 多節(jié)同步開關(guān)模式充電器的評(píng)估模塊
bq2461x 是高度集成的鋰離子或鋰聚合物開關(guān)模式電池充電控制器。bq2463x 是高度集成的開關(guān)模式電池充電控制器，專為磷酸鋰電池化學(xué)物充電而設(shè)計(jì)。它們可以為恒頻同步 PWM 控制器提供高準(zhǔn)確度充電電流和電壓調(diào)節(jié)、適配器電流調(diào)節(jié)、充電預(yù)處理和充電狀態(tài)監(jiān)控。bq2461x/bq2463x 在以下三個(gè)階段為電池充電：預(yù)處理、恒定電流和恒定電壓。當(dāng)電流達(dá)到最低的用戶可選級(jí)別時(shí)，充電將終止?？删幊坛潆姸〞r(shí)器可以為充電終止提供安全備份。當(dāng)電池電壓低于內(nèi)部閾值時(shí)，q2461x/bq2463x 會(huì)自動(dòng)重新啟動(dòng)充電周期；當(dāng)輸入電壓低于電池電壓時(shí)，則會(huì)進(jìn)入低靜態(tài)電流休眠模式。
用戶指南: PDF
| 封裝 | 引腳 | CAD 符號(hào)、封裝和 3D 模型 |
|---|---|---|
| VQFN (RGE) | 24 | Ultra Librarian |
訂購和質(zhì)量
包含信息：
- RoHS
- REACH
- 器件標(biāo)識(shí)
- 引腳鍍層/焊球材料
- MSL 等級(jí)/回流焊峰值溫度
- MTBF/時(shí)基故障估算
- 材料成分
- 鑒定摘要
- 持續(xù)可靠性監(jiān)測(cè)
包含信息：
- 制造廠地點(diǎn)
- 封裝廠地點(diǎn)
推薦產(chǎn)品可能包含與 TI 此產(chǎn)品相關(guān)的參數(shù)、評(píng)估模塊或參考設(shè)計(jì)。