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TPS2149IDGNRG4 PDF预览

TPS2149IDGNRG4

更新时间： 2024-09-21 12:16:11
品牌 Logo 应用领域
德州仪器 - TI 线性稳压器IC调节器电源电路开关光电二极管输出元件
页数 文件大小 规格书
23页 457K
描述
3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT

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中文翻译

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TPS2149IDGNRG4 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：MSOP
包装说明：GREEN, PLASTIC, MSOP-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.38
Is Samacsys：N最大回动电压 1：0.35 V
最大回动电压 2：0.35 V最大输入电压：5.5 V
最小输入电压：2.9 VJESD-30 代码：S-PDSO-G8
长度：3 mm功能数量：1
输出次数：2端子数量：8
工作温度TJ-Max：100 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.2 A最大输出电流 2：0.2 A
最大输出电压 1：3.4 V最小输出电压 1：3.2 V
标称输出电压 1：3.3 V最大输出电压 2：3.4 V
最小输出电压 2：3.2 V标称输出电压 2：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
调节器类型：FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR座面最大高度：1.1 mm
表面贴装：YES端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TPS2149IDGNRG4 数据手册

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SLVS401 − AUGUST 2001  
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FEATURES  
DESCRIPTION  
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Complete Power Management Solution for  
USB Bus-Powered Hubs  
The TPS2149 incorporates two power distribution  
switches and an LDO in one small package, providing  
a USB bus-powered hub power management solution  
that saves up to 60% in board space over typical  
implementations.  
3.3-V 200 mA Low-Dropout Voltage Regulator  
Two 5-V 340-mΩ (Typ) High-Side MOSFETs  
Independent Thermal- and Short-Circuit  
Protection for LDO and Each Switch  
The TPS2149 meets USB 2.0 bus-powered hub  
requirements. An integrated LDO regulates the 5-V bus  
power down to 3.3 V for the USB controller. The two  
MOSFET switches provide power to the downstream  
ports. With independent enables, the downstream ports  
remain unpowered until the hub completes  
enumeration.  
Overcurrent Indicator With Transient Filter  
2.9-V to 5.5-V Operating Range  
CMOS- and TTL-Compatible Enable Inputs  
75-µA (Typ) Supply Current  
Available in 8-Pin MSOP (PowerPAD)  
−40°C to 85°C Ambient Temperature Range  
Each power-distribution switch is capable of supplying  
200 mA of continuous current, and the independent  
logic enables are compatible with 5-V logic and 3-V  
logic. The switches and the LDO are designed with  
controlled rise times and fall times to minimize current  
surges.  
APPLICATIONS  
D
USB Bus-Powered Hubs  
− Keyboards  
− Monitors  
The TPS2149 has active-low enables while the  
TPS2159 has active-high enables.  
− Hub Boxes  
LDO and dual switch family selection guide and schematics  
TPS2149/59  
MSOP−8  
TPS2148/58  
MSOP−8  
TPS2145/55  
TSSOP−14  
TPS2147/57  
MSOP−10  
LDO_OUT  
LDO_ADJ  
V
IN/SW1  
VIN/SW1  
LDO_OUT  
VIN  
LDO  
VIN/SW1  
LDO_EN  
LDO_OUT  
OUT2  
LDO  
LDO_OUT  
LDO  
LDO  
LDO_EN  
EN2  
OC1  
OC1  
OUT1  
OC  
OUT1  
OUT1  
EN1  
OUT1  
EN1  
EN1  
OUT2  
OUT2  
OC2  
OUT2  
OC2  
SW2  
EN2  
GND  
SW2  
EN2  
GND  
EN1  
GND  
EN2  
GND  
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.  
PowerPAD is a trademark of Texas Instruments.  
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Copyright 2001, Texas Instruments Incorporated  
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中文翻译

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TPS2149IDGNRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS2149IDGNG4 TI

完全替代

 3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT
TPS2149IDGNR TI

完全替代

 Analog IC
TPS2149IDGN TI

完全替代

 3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT

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