参数资料
型号: TPS2074DB
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封装: GREEN, PLASTIC, SSOP-24
文件页数: 19/29页
文件大小: 732K
代理商: TPS2074DB
www.ti.com
68 F
m
D+
D–
GND
5V
0.1 F
m
0.1 F
m
DP0
DM0
EECLK
EEDATA
EXTMEM
SUSPEND
C
D
A
B
SN75240
BUSPWR
RESET
VCC1_3.3
VCC2_3.3
10 F
m
XTAL1
XTAL2
33pF
6MHz
33pF
1.5kW
TSTPLL
TSTMODE
GND
PWRON1
OVRCUR1
PWRON2
OVRCUR2
PWRON3
OVRCUR3
PWRON4
OVRCUR4
EN1
OC1
EN2
OC2
EN3
OC3
EN4
OC4
3.3V_OUT
4.7 F
m
0.1 F
m
SP
GATE
6Vto9V
Supply
(1)
IRLZ24N
(1)
0.1 F
m
68 F
m
VEXT
PG
BPMODE
DP0_RST
1.5kW
BP
EN_REG
DGND
AGND
0.1 F
m
0.01 F
m
33 F
m
PG_DLY
CP_M
CP_P
BP_DIS
VCP
D+
D–
GND
5V
SN75240
33 F
m
33 F
m
33 F
m
OUT4
OUT3
OUT2
OUT1
TPS2071
TUSB2046B
DM4
DP4
DM3
DP3
DM2
DP2
DM1
DP1
Downstream
Ports
0.1 F
m
Upstream
Ports
0.1 F
m
C
D
A
B
B0271-01
SLVS287B – SEPTEMBER 2000 – REVISED SEPTEMBER 2007
(1)
This hybrid hub can also be implemented by connecting a 5-V power supply to the SP input of the TPS2071 and
eliminating the external FET. However, this type of implementation is best suited for the TPS2074/75 (see the
TPS2074, TPS2075 Four-Port USB Hub Power Controllers data sheet, SLVS288, for details).
Figure 38. USB Hybrid Hub Using TPS2071 Power Controller and TUSB2046 Hub Controller
26
Copyright 2000–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2070 TPS2071
相关PDF资料
PDF描述
TPS2071DAPRG4 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO32
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
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