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參數資料
| 型號： | TPS2500DRCR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 1075 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, SON-10 |
| 文件頁數： | 1/41頁 |
| 文件大小： | 1641K |
| 代理商： | TPS2500DRCR |
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S0380-02
2.2 H
m
1.8-V to
5.25-V Input
10 F
m
IN
EN
ILIM
GND
R
ILIM
PGND
POWER PAD
USB
FAULT
ENUSB
AUX
SW
R
FAULT
120 F
m
(1)
5 V USB Power
22 F
m
Data
TPS2500
5 V Auxiliary Load
Power, 100 mA
(2)
USB FAULT Flag
5 V USB
Port #1
500 mA
5 V USB
Port #2
500 mA
TYPICAL APPLICATION CIRCUIT
IO(AUX) Output Auxiliary Current mA
0.77
0.79
0.81
0.83
0.85
0.87
0.89
0.91
0.93
0.95
0.97
0
300
600
900
1200
1500
Boost
Ef
ficiency
%
G001
VIN = 1.8 V
VIN = 4.5 V
VIN = 3.3 V
www.ti.com
SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010
INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
1
FEATURES
APPLICATIONS
Portable Applications Using Single Li+ Cell
23
Integrated Synchronous Boost Converter and
USB Current-Limit Power Switch
USB Hosts Without Native 5-V Supplies
Light-Load, High-Efficiency Eco-mode
DESCRIPTION
Control Scheme (TPS2500) or Constant
Frequency (TPS2501)
The TPS2500 and TPS2501 provide an integrated
solution to meet USB 5-V power requirements from a
1.8-V to 5.25-V Input Voltage (2.2-V Minimum
1.8-V to 5.25-V input supply. The features include a
Start-Up Voltage)
Hi-Speed USB compliant power output, output switch
Adjustable USB Current Limit
enable, current limit, and overcurrent fault reporting.
–
130 mA to 1400 mA (Typical)
The 1.8-V to 5.25-V input can be supplied by sources
Accurate 20% Current Limit at 1.4-A Setting
including dc/dc regulated supplies (e.g., 3.3 V), or
Powers up to Two Standard USB Ports
batteries such as single-cell Li+ or three-cell NiCd,
NiMH, or alkaline.
Auxiliary 5.1-V Output
Fast Overcurrent-Response Time – 5 ms
The USB power-switch current limit is programmable
Typical
via an external resistor from as low as 130 mA to as
high as 1400 mA (typical). Two standard USB ports
Small 3-mm × 3-mm × 0.9-mm SON-10 Package
can be supported from a single TPS2500 or TPS2501
15-kV / 8-kV System-Level ESD Capable
at the 1400-mA setting.
UL Listed - File No. E169910
Additionally, the boost converter output is available as
an auxiliary 5.1-V output to power additional loads.
The total current supplied by the USB output and the
auxiliary cannot exceed 1148 mA at VIN = 3 V.
BOOST EFFICIENCY
vs
OUTPUT AUXILIARY CURRENT
(1)
Requirement for USB applications only;
downstream
facing
ports
should be
bypassed with 120 mF minimum per hub.
(2)
Additional current can be supplied from
AUX if <1 A is required for USB ports;
total current should not exceed 1.1 A at
VIN = 3 V.
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
Eco-mode, PowerPAD are trademarks of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2008–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2500DRCT | 功能描述:電源開關 IC - USB Integr USB Pwr Sw w/ Boost Converter RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2500EVM-337 | 功能描述:電源管理IC開發工具 Eval Mod for TPS2500 RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS-250-10 | 制造商:PennEngineering (PEM) 功能描述: 制造商: 功能描述: 制造商:undefined 功能描述: |
| TPS2501DRCR | 功能描述:電源開關 IC - USB Integr USB Pwr Sw RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2501DRCT | 功能描述:電源開關 IC - USB Integr USB Pwr Sw RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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