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TPS65471

更新时间： 2024-02-11 07:29:14
品牌 Logo 应用领域
德州仪器 - TI 电池
页数 文件大小 规格书
32页 851K
描述
SINGLE-CHIP POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS

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TPS65471 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：16 weeks
风险等级：5.68其他特性：ALSO OPERATES WITH VBUS VOLT OF 4.75V TO 5.25V
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PQCC-N40JESD-609代码：e4
长度：6 mm湿度敏感等级：3
信道数量：7功能数量：1
端子数量：40最高工作温度：125 °C
最低工作温度：-10 °C最大输出电压：4.25 V
最小输出电压：3 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
座面最大高度：1 mm最大供电电压 (Vsup)：5.75 V
最小供电电压 (Vsup)：4.75 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：OTHER
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
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：6 mm
Base Number Matches：1

TPS65471 数据手册

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TPS65471  
www.ti.com  
SLVSBE8 –JUNE 2012  
SINGLE-CHIP POWER AND BATTERY MANAGEMENT IC FOR  
Li-ION POWERED SYSTEMS  
Check for Samples: TPS65471  
1
FEATURES  
2
•
40-Pin QFN package (6 mm x 6 mm) With  
PowerPAD™  
•
•
•
•
Integrated 3.0-V LDO Regulators  
Integrated 3.2-V LDO Regulators  
A Motor Driver Control  
•
Integrated Dynamic Power Path Circuitry  
(VBUS, VAC, VBAT) With Power Good Signal  
Outputs and Reverse Current Protection  
LDO Regulators and Boost Converter On/Off  
Control  
•
•
550-mA Li-Ion Battery Charger With 2 State  
Pins and Safety Timers  
•
•
Status Outputs to Indicate the Status of the  
Linear Charger  
Integrated 4.25-V Synchronous Boost  
Converter (PWM) and LDO to Provide Voltage  
Source for LEDs  
Reverse Current Prevention and Thermal Shut  
Down Circuitry  
•
•
•
•
4 LDOs for Each Function in the System  
USB Suspend Mode  
APPLICATIONS  
•
Handheld Devices  
Reset Output  
3 LED Drivers With PWM Control  
DESCRIPTION/ORDERING INFORMATION  
TPS65471 integrates a Li-ion linear charger, power path management, four LDO regulators, 4.25-V synchronous  
boost converter and 4.25-V LDO regulator, three LED drivers and one motor driver.  
With the power path circuitry, USB-port, AC-DC adapter and Li-ion battery power can be switched seamlessly as  
the power source of 3.2-V LDO output regulators. This prevents instability in the system.  
The TPS65471 charger automatically selects the USB port or the AC-DC adapter.  
The EN_VLDO digital input is used to turn the output of VLED4P25, VLD02 and VLD04 on or off.  
The EN_VLDO3 digital input is used to turn the output of VLDO3 on or off.  
The TPS65471 is available in a 40-pin QFN package with PowerPAD™.  
ORDERING INFORMATION(1)  
TJ  
PACKAGE(2)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
–10°C to 125°C  
RHA (QFN)  
TPS65471RHA  
TPS65471  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.  
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
PowerPAD is a trademark of Texas Instruments.  
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 © 2012, Texas Instruments Incorporated  
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