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參數資料
| 型號： | TPS2420RSAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16 |
| 封裝： | 4 X 4 MM, PLASTIC, QFN-16 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 1368K |
| 代理商： | TPS2420RSAR |
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LTCH
GND
CT
IFLT
IMAX
VIN
1
16
6
5
7
8
9
TPS2420
UDG-09017
EN
(A)
15-V
SMAJ15A
(A)
C
VIN
40.2kW
49.9kW
0.1 mF
IMON
VOUT
13
14
15
10
FLT
PG
63.4kW
}Optional:
tosystem
monitor
(A)
C
LOAD
In
p
u
t
V
o
lt
a
g
e
B
u
s
O
u
tp
u
t
to
v
o
lt
a
g
e
b
u
s
o
r
D
C
/D
C
c
o
n
v
e
rt
e
r
(A)Requiredonlyinsystemswithleadand/orloadinductance.
11
12
2
3
4
VIN
VOUT
3.0Vto20.0V
www.ti.com
SLUS903C – JANUARY 2009 – REVISED AUGUST 2010
3-V to 20-V INTEGRATED FET HOT SWAP CONTROLLER
Check for Samples: TPS2420
1
FEATURES
DESCRIPTION
2
Integrated 30-m
Pass MOSFET
The
TPS2420
provides
highly
integrated
load
protection for 3-V to 20-V applications. The TPS2420
3.0-V to 20-V Bus Operation
protects loads, minimizes inrush current, and safely
Programmable Fault Current
shuts down in the event of a fault. The programmable
Programmable Hard Current Limit
fault current threshold starts the fault timer while
Programmable Fault Timer
allowing the current to pass to the load uninhibited.
The programmable current limit threshold sets the
Internal MOSFET Power Limiting Foldback
maximum current allowed into the load, for both
Latching and Auto-Retry Operation
inrush and severe load faults. Both events use the
Analog Current Monitor Output
programmable timer which inhibits all current to the
load when it expires.
Powergood Output
Fault Output Indicator
The
dual
protection
thresholds
are
useful
in
applications such as disk drives. The start-up and
4 mm × 4 mm QFN
seek currents are typically higher than the nominal
–40°C to 125°C Junction Temperature Range
current and during this time the load needs a low
UL Listed - File Number E169910
impedance path to deliver the power. If a failure at
the load occurs, the current limit does not allow the
current to exceed the programmed threshold. This
APPLICATIONS
protects both the load and the integrity of the power
RAID Arrays
supply. The internal MOSFET is protected by power
Telecommunications
limit circuitry which ensures that the MOSFET
Plug-In Circuit Boards
remains within its safe operating area (SOA) during
Disk Drives
all operating states.
The TPS2420 also allows the system to monitor load
currents with no need for a shunt in the power path.
The gain of the current monitor can be scaled to the
application. Fault and power good outputs are
provided for improved system management and
sequencing control.
This device can be programmed to either latch-off or
retry in the event of a fault. All of this functionality is
packed into a 16-pin 4 × 4 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
PowerPad is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2009–2010, 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 |
|---|---|
| TPS2420RSAT | 功能描述:熱插拔功率分布 Int FET 0-5A Dual Fault Threshold RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2420RSAT | 制造商:Texas Instruments 功能描述:Hot Swap Contoller IC |
| TPS2421-1DDA | 功能描述:熱插拔功率分布 3-20V Integ FET 0-5A Hot Swap RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2421-1DDAR | 功能描述:熱插拔功率分布 3-20V Integ FET 0-5A Hot Swap RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2421-1EVM-02 | 功能描述:電源管理IC開發工具 TPS2421-1 Hot Swap Controller Eval Mod 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 |
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