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BQ24780SRUYT

更新时间： 2024-01-21 20:15:13
品牌 Logo 应用领域
德州仪器 - TI 电池监控
页数 文件大小 规格书
11页 773K
描述
bq24780S 1- to 4-Cell Hybrid Power Boost Mode Battery Charge Controller With Power and Processor Hot Monitoring

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中文翻译

获取价格

BQ24780SRUYT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：QCCN,针数：28
Reach Compliance Code：compliantECCN代码：EAR99
Factory Lead Time：6 weeks风险等级：1.65
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-XQCC-N28JESD-609代码：e4
长度：4 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：QCCN封装形状：SQUARE
封装形式：CHIP CARRIER座面最大高度：0.75 mm
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.4 mm端子位置：QUAD
宽度：4 mmBase Number Matches：1

BQ24780SRUYT 数据手册

 浏览型号BQ24780SRUYT的Datasheet PDF文件第2页浏览型号BQ24780SRUYT的Datasheet PDF文件第3页浏览型号BQ24780SRUYT的Datasheet PDF文件第4页浏览型号BQ24780SRUYT的Datasheet PDF文件第5页浏览型号BQ24780SRUYT的Datasheet PDF文件第6页浏览型号BQ24780SRUYT的Datasheet PDF文件第7页 
Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
bq24780S  
SLUSC93A –APRIL 2015–REVISED APRIL 2015  
bq24780S 1- to 4-Cell Hybrid Power Boost Mode Battery Charge Controller  
With Power and Processor Hot Monitoring  
1 Features  
2 Applications  
1
•
Industrial Innovative Charge Controller With  
Hybrid Power Boost Mode  
•
•
•
•
Notebook, Ultrabook, Detachable, and Tablet PC  
Handheld Terminal  
–
–
–
–
Adapter and Battery Provides Power to  
Industrial and Medical Equipment  
Portable Equipment  
System Together for Intel® CPU Turbo Mode  
Ultra-Fast Transient Response of 150 µs to  
Enter Boost Mode  
3 Description  
The bq24780S device is  
synchronous battery charger, offering low component  
count for space-constrained, multi-chemistry battery  
charging applications.  
Hybrid Power Boost Mode from 4.5- to 24-V  
System  
a
high-efficiency,  
Charge 1- to 4-Cell Battery Pack from 4.5- to  
24-V Adapter  
The bq24780S device supports hybrid power boost  
mode (previously called "turbo boost mode"). It allows  
battery discharge energy to system when system  
power demand is temporarily higher than adapter  
maximum power level. Therefore, adapter does not  
crash.  
•
High Accuracy Power and Current Monitoring for  
CPU Throttling  
–
–
–
Comprehensive PROCHOT Profile  
± 2% Current Monitor Accuracy  
± 5% System Power Monitor Accuracy  
(PMON)  
The bq24780S device uses two charge pumps to  
separately drive N-channel MOSFETs (ACFET,  
RBFET, and BATFET) for automatic system power  
source selection.  
•
•
Automatic NMOS Power Source Selection from  
Adapter or Battery  
–
ACFET Fast Turn on in 100 µs  
Through SMBus, system power management  
microcontroller programs input current, charge  
current, discharge current, and charge voltage DACs  
with high regulation accuracies.  
Programmable Input Current, Charge Voltage,  
Charge and Discharge Current Limit  
–
–
–
–
±0.4% Charge Voltage (16-mV step)  
±2% Input Current (128-mA/step)  
±2% Charge Current (64-mA/step)  
±2% Discharge Current (512-mA/step)  
The bq24780S device monitors adapter current  
(IADP), battery discharge current (IDCHG), and  
system power (PMON) for host to throttle back CPU  
speed or reduce system power when needed.  
•
High Integration  
The bq24780S device charges 1-, 2-, 3-, or 4-series  
Li+ cells.  
–
–
–
–
–
Battery LEARN Function  
Battery Present Monitor  
Boost Mode Indicator  
Loop Compensation  
BTST Diode  
Device Information(1)  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
bq24780S  
WQFN (28)  
4.00 × 4.00 mm2  
•
Enhanced Safety Features for Overvoltage  
Protection, Overcurrent Protection, Battery,  
Inductor, and MOSFET Short-Circuit Protection  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
RAC  
Adapter  
4.5-24V  
SYS  
•
•
•
Switching Frequency: 600 kHz, 800 kHz, and  
1 MHz  
Enhanced Safety:  
OCP, OVP, FET Short  
N-FET Driver  
N-FET Driver  
Realtime System Control on ILIM Pin to Limit  
Charge and Discharge Current  
Adapter Detection  
bq24780S  
Battery  
Pack  
SMBus Controls V & I  
with high accuracy  
Hybrid Power  
Boost Charge  
Controller  
0.65 mA Adapter Standby Quiescent Current for  
Energy Star  
RSR  
1S-4S  
SMBus  
HOST  
IADP, PROCHOT,  
PMON, IDCHG  
Integration:  
Loop Compensation; Soft-Start  
Comparator, BTST Diode  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
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中文翻译

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BQ24780SRUYT 替代型号

型号 品牌 替代类型 描述 数据表
BQ24780SRUYR TI

完全替代

 bq24780S 1- to 4-Cell Hybrid Power Boost Mode Battery Charge Controller With Power and Pro

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