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BQ24295RGER  
  |  1 orders
Shipping
-->Arrival time 5-7 days
---->Arrival time 15-27 days, Brazil and Russian Federation must
-->Arrival time 5-7 days
Quantity
 PCS
Parts Amount
US $0.00
 
Within 15 days of the receipt of the goods, if the quality of the goods, the description does not match or did not receive the goods, etc., you have the right to apply for a refund or return, postage back and forth borne by the seller.
Product Details
Part no.BQ24295RGER
Packge/CaseVQFN24
ManutacturerTI
Date Code17+
Description
 DatasheetCheck Datasheet

Texas Instruments BQ24295RGET

The bq24295 is a highly-integrated switch-mode battery charge management and system power path management devices for 1 cell Li-Ion and Li-polymer battery in a wide range of power bank, tablet and other portable device applications.

Its low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution.

The device supports 3.9V – 6.2V USB input sources, including standard USB host port and USB charging port with 6.4V over-voltage protection. The bq24295 is compliant with USB 2.0 and USB 3.0 power specifications with input current and voltage regulation. To set the default input current limit, the bq24295 detects the input source through D+/D– detection following the USB battery charging spec 1.2. In addition, the bq24295 detects non-standard 2A/1A adapters. The bq24295 supports battery boost operation by supplying adjustable voltage 4.55 – 5.5V (default 5.1V) on PMID pin with minimum current of 1.5A.

The power path management regulates the system slightly above battery voltage but does not drop below 3.5V minimum system voltage (programmable). With this feature, the system maintains operation even when the battery is completely depleted or removed. When the input current limit or voltage limit is reached, the power path management automatically reduces the charge current to zero. As the system load continues to increase, the power path discharges the battery until the system power requirement is met. This supplement mode operation prevents overloading the input source.

The devices initiate and complete a charging cycle without software control. It automatically detects the battery voltage and charges the battery in three phases: pre-conditioning, constant current and constant voltage. At the end of the charging cycle, the charger automatically terminates when the charge current is below a preset limit in the constant voltage phase. When the full battery falls below the recharge threshold, the charger will automatically start another charging cycle.

The devices provide various safety features for battery charging and system operation, including negative thermistor monitoring, charging safety timer and over-voltage/over-current protections. The thermal regulation reduces charge current when the junction temperature exceeds 120°C (programmable).

The STAT output reports the charging status and any fault conditions. The INT immediately notifies the host when a fault occurs.

The bq24295 is available in a 24-pin, 4×4 mm2 thin VQFN package.

德克萨斯仪器bq24295rget
的bq24295是在很宽范围的电源1电池Li Ion和李聚合物电池一个高度集成的开关模式电池充电管理和系统电源路径管理设备、平板电脑和其它便携式设备中的应用。
它的低阻抗功率路径优化开关操作效率,减少电池充电时间,延长电池在放电阶段的寿命。具有充电和系统设置的I2C串行接口使设备真正灵活的解决方案。
设备支持3.9v–6.2v USB输入源,包括标准的USB主机端口和USB充电端口6.4v过压保护。是的bq24295兼容USB 2和USB 3规格的输入电流和电压调节。设置默认的输入电流限制的bq24295检测输入源通过D + D–检测USB电池充电规格1.2。此外,该bq24295检测非标2A / 1a适配器。的bq24295支持电池升压操作提供可调电压4.55–5.5v(默认5.1v)在1.5A的最小电流可销。
电源路径管理调控系统略高于电池电压,但不低于3.5V电压降最小系统(可编程)。有了这个特性,即使电池完全耗尽或移除,系统仍能保持运行。当输入电流限制或电压限制达到,电源路径管理自动降低充电电流为零。当系统负载继续增加时,电源路径将电池放电,直到满足系统的功率要求。这种补充模式操作防止超载输入源。
设备启动和完成一个无软件控制的充电周期。它自动检测电池电压,并将电池分为三个阶段:预充电、恒流和恒压。在充电周期结束时,当充电电流低于恒定电压相位的预设限制时,充电器自动终止。当全电池低于充电阈值时,充电器会自动启动另一个充电周期。
该装置为电池充电和系统运行提供了各种安全功能,包括负热敏电阻监测、充电安全定时器和过压/过电流保护。当结温超过120°C(可编程)时,热调节可降低充电电流。
统计输出报告充电状态和任何故障情况。当故障发生时,int立即通知主机。
的bq24295是在一个24引脚、4×4毫米薄VQFN封装。
Buyers evaluation
 *****  Order Number: PO:********4348562--->>>(Dear buyer! If you do not give feedback after 15 days of receipt of the goods, the system will automatically end the order oh.)
2017/5/9 11:44:34--->>>With a single ROM table Internet format, so that buyers query data more convenient.
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 Did not make an evaluation,the system defaults is good
 Seller(Anderson) Reply: “一带一路”(英文:The Belt and Road,缩写B&R)是“丝绸之路经济带”和“21世纪海上丝绸之路”的简称
"Belt and Road Initiative" (English: The Belt and Road, abbreviated B&R) is Silk Road Economic Belt "in twenty-first Century and" maritime Silk Road "referred to
「辺路」(英語:ザBelt andロード、略B&R)は「シルクロード経済帯」と「21世紀の海のシルクロード”の略称 2017-5-15
 
 
 

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