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器件3D模型￥ 31.631
TPS23861PW 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电池管理芯片
封装:
TSSOP-28
描述:
TEXAS INSTRUMENTS TPS23861PW 芯片, 电源控制器, PSE, 以太网供电, 3.3V, TSSOP-28
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P5P23P24Hot
典型应用电路图在P39P87
原理图在P1P22P25P85
封装尺寸在P102P104P105
标记信息在P102
封装信息在P101P102P103P104P105
技术参数、封装参数在P6
应用领域在P1P87
电气规格在P7P8P9P10
导航目录
TPS23861PW数据手册
Page:
of 108 Go
若手册格式错乱，请下载阅览PDF原文件
14
13
12
11
10
9
8
7
6
5
4
3
2
1 VDD
SCL
SDAI
SDAO
DGND
SEN3
DRAIN3
GATE3
KSENSB
SEN4
DRAIN4
GATE4
15
16
17
18
19
20
21
22
23
24
25
26
27
28VPWR
N/C
AOUT
AIN
SHTDWN
A3
AGND
GATE2
DRAIN2
SEN2
KSENSA
GATE1
DRAIN1
SEN1
RESET
INT
R
SEN2
C
VDD
C
VPWR
R
DRN1
R
DRN2
R
SEN1
D
P2A
C
P2
Q
P2
R
S2A
R
S2B
D
P2B
F
P2
VPWR
P2
+
-
RJ45
&
XFMR
D
P1A
C
P1
Q
P1
R
S1A
R
S1B
D
P1B
F
P1
VPWR
P1
+
-
RJ45
&
XFMR
(Optional)
(Optional)
TPS23861PW
R
RST
PORT RESET
VPWR
VDD
Copyright © 2016, Texas Instruments Incorporated
87
TPS23861
www.ti.com
SLUSBX9G –MARCH 2014–REVISED OCTOBER 2016
Product Folder Links: TPS23861
Submit Documentation FeedbackCopyright © 2014–2016, Texas Instruments Incorporated
8.3 Typical Application
Typical applications are shown for several port counts. The TPS23861 is an effective choice for port counts less
than the 4 ports provided, and these applications clearly show the connections for unused ports.
Applications are shown for both Auto Mode as well as Semi-Auto Mode. Operation in any mode except Auto
Mode require I
2
C host support. The TPS23861 provides useful telemetry in multi port applications to aid in
implementing port power management.
8.3.1 Two Port, Auto Mode Application with External Port Reset
Figure 48. Two Port Auto Mode Application With Port Reset
8.3.1.1 Design Requirements
Table 12. Design Parameters
DESIGN PARAMETER VALUE
Operating mode Auto Mode
Number/type of ports Two type 2 ports
Other requirements Push button port reset
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