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參數(shù)資料
| 型號(hào)： | TPS2071DAPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO32 |
| 封裝： | PLASTIC, HTSSOP-32 |
| 文件頁(yè)數(shù)： | 1/29頁(yè) |
| 文件大?。?/td> | 732K |
| 代理商： | TPS2071DAPRG4 |
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1
FEATURES
DESCRIPTION
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32
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18
17
NC
EN1
AGND
NC
PG
SP
NC
VEXT
GATE
3.3V_OUT
BPMODE
(1)
DP0_RST
EN_REG
EN2
DGND
PG_DLY
BP_DIS
BP
OUT1
OUT2
OUT3
OUT4
OC4
OC3
OC2
OC1
EN4
EN3
CP_M
CP_P
VCP
NC-Nointernalconnection
DAP Package
(TopView)
P0073-01
SLVS287B – SEPTEMBER 2000 – REVISED SEPTEMBER 2007
www.ti.com
FOUR-PORT USB HUB POWER CONTROLLERS
Each port has a current-limited 107-m
N-channel
MOSFET
high-side
power
switch
for
500-mA
2
Complete USB Hub Power Solution
self-powered
operation.
Each
port
also
has
a
Meets USB Specifications 1.1 and 2.0
current-limited 560-m
N-channel MOSFET high-side
power switch for 100-mA bus-powered operation. All
Independent Thermal and Short-Circuit
the
N-channel
MOSFETs
are
designed
without
Protection
parasitic diodes, preventing current backflow into the
3.3-V Regulator for USB Hub Controller
inputs.
Overcurrent Logic Outputs
For
applications
not
requiring
a
5-V
regulator
4.5-V to 5.5-V Operating Range
controller, use the TPS2074 or TPS2075 device.
CMOS- and TTL-Compatible Enable Inputs
185 μA Bus-Power Supply Current
Available in 32-Pin HTSSOP PowerPAD
Package
–40°C to 85°C Ambient Temperature Range
The TPS2070 and TPS2071 provide a complete USB
hub power solution by incorporating four major
functions: current-limited power switches for four
ports, a 3.3-V 100-mA regulator, a 5-V regulator
controller for self-power, and a DP0 line control to
signal attach/detach of the hub.
These devices are designed to meet bus-powered
and self-powered hub requirements. These devices
are also designed for hybrid hub implementations and
allow for automatic switching from self-powered mode
to bus-powered mode if loss of self-power is
experienced (can be disabled by applying a logic high
to BP_DIS).
(1)
Pin
12
is
active-low
(BPMODE)
for
TSS2070 and active-high (BPMODE) for
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 2000–2007, 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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS2070DAPG4 | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO32 |
| TPS2074 | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| TPS2075R | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| TPS2074R | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| TPS2102DBVTG4 | POWER SUPPLY SUPPORT CKT, PDSO5 |
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