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BQ24105IRHLRQ1

更新时间： 2024-11-15 12:50:15
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德州仪器 - TI 电源电路开关电源管理电路
页数 文件大小 规格书
35页 859K
描述
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs ( bqSWITCHER™)

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BQ24105IRHLRQ1 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：QFN-20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.64Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PQCC-N20JESD-609代码：e4
长度：4.5 mm湿度敏感等级：3
信道数量：4功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC20/24,.14X.18,20
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：4.3/16 V
认证状态：Not Qualified筛选级别：AEC-Q100
座面最大高度：0.9 mm子类别：Power Management Circuits
最大供电电流 (Isup)：5 mA最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：4.35 V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：0.5 mm
端子位置：QUAD阈值电压标称：+3.3V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.5 mm
Base Number Matches：1

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bq24105-Q1  
www.ti.com................................................................................................................................................................................................. SLUS953–AUGUST 2009  
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT  
IC WITH INTEGRATED POWER FETs ( bqSWITCHER™)  
1
FEATURES  
DESCRIPTION  
23  
•
Qualified for Automotive Applications  
The bqSWITCHER™ series are highly integrated  
Li-ion  
and  
Li-polymer  
switch-mode  
charge  
•
Ideal For Highly Efficient Charger Designs For  
Single-, Two-, or Three-Cell Li-Ion and  
Li-Polymer Battery Packs  
management devices targeted at a wide range of  
portable applications. The bqSWITCHER™ series  
offers integrated synchronous PWM controller and  
power FETs, high-accuracy current and voltage  
regulation, charge preconditioning, charge status, and  
charge termination, in a small, thermally enhanced  
QFN package.  
•
•
Also for LiFePO4 Battery (see Using bq24105  
to Charge LiFePO4 Battery)  
Integrated Synchronous Fixed-Frequency  
PWM Controller Operating at 1.1 MHz  
With 0% to 100% Duty Cycle  
The bqSWITCHER charges the battery in three  
phases: conditioning, constant current, and constant  
voltage.  
user-selectable  
programmable charge timer provides a safety backup  
for charge termination. The bqSWITCHER  
automatically restarts the charge cycle if the battery  
voltage falls below an internal threshold. The  
bqSWITCHER automatically enters sleep mode when  
VCC supply is removed.  
•
Integrated Power FETs For Up To 2-A Charge  
Rate  
Charge  
is  
terminated  
current  
based  
level.  
on  
A
minimum  
•
•
High-Accuracy Voltage and Current Regulation  
Stand-Alone (Built-In Charge Management and  
Control) Version  
•
Status Outputs For LED or Host Processor  
Interface Indicates Charge-In-Progress, Charge  
Completion, Fault, and AC-Adapter Present  
Conditions  
RHL PACKAGE  
(TOP VIEW)  
•
20-V Maximum Voltage Rating on IN and OUT  
Pins  
•
•
•
High-Side Battery Current Sensing  
Battery Temperature Monitoring  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
STAT2  
PGND  
PGND  
CE  
2
3
4
5
6
7
8
9
STAT1  
IN  
Automatic Sleep Mode for Low Power  
Consumption  
IN  
PG  
•
Reverse Leakage Protection Prevents Battery  
Drainage  
SNS  
BAT  
VCC  
TTC  
ISET1  
ISET2  
•
•
•
Thermal Shutdown and Protection  
Built-In Battery Detection  
FB  
11  
10  
TS  
Available in 20-Pin, 3.5 mm × 4.5 mm, QFN  
Package  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
bqSWITCHER, PowerPAD are trademarks of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
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