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MAX5922AEUI+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
______________________________________________________________________________________ 19
Chip Information
TRANSISTOR COUNT: 8687
PROCESS: BiCMOS
PART PIN-PACKAGE DETECTION COLLISION AVOIDANCE PD DETECTION DISABLE
MAX5922AEUI 28 TSSOP Selectable —
MAX5922BEUI 28 TSSOP Disabled Selectable
MAX5922CEUI 28 TSSOP Enabled Selectable
Selector Guide
Pin Configuration
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OUT
OUT
N.C.
DET_DIS (DCA)
CLASS
V
DIG
TP3
EN
ZC_EN
LATCH
DGND
CL0
CL1
CL2
TP2
TP1
ZC
POK
FAULT
RDT
UVLO
AGND_S
N.C.
RCL
IN
N.C.
DRAIN
DRAIN
TSSOP
TOP VIEW
MAX5922A
MAX5922B
MAX5922C
( ) MAX5922A ONLY.
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
20 ______________________________________________________________________________________
Typical Application Circuits
MAX5922A/MAX5922B
DATA
LAN SWITCH
+48V IN
+48V OUT
RJ45
+48V POWER OVER
SIGNAL PAIRS
CAT5
RJ45
PD
POWERED DEVICE
(IP PHONES, WIRELESS LAN
ACCESS NODE, SECURITY
CAMERA, ETC.)
POWER SENT OVER SIGNAL PAIRS
MAX5922A/MAX5922C
MIDSPAN HUB
+48V IN
+48V OUT
RJ45
+48V POWER OVER
SPARE PAIRS
CAT5
RJ45
PD
POWERED DEVICE
(IP PHONES, WIRELESS LAN
ACCESS NODE, SECURITY
CAMERA, ETC.)
POWER SENT OVER SPARE PAIRS
CAT5
RJ45 RJ45
8
5
9
18
17
16
7
UVLO
RCL
RDT
CL0
CL1
CL2
AGND_S
AGND
11
10
12
24
20
21
22
25
19
V
DIG
POK
FAULT
ZC
CLASS
LATCH
ZC_EN
EN
DCA*
DGND
IN DRAIN OUT
4 1, 2 27, 28
MAX5922
OPEN-DRAIN
OUTPUTS
REFERENCED
TO DGND
OPEN-DRAIN OUTPUTS
REFERENCED TO DGND
680nF
R
RDT
18.2kΩ
1%
R
RCL
150Ω
1%
+48V
R
SENSE
0.5Ω
1%
48V
OUTPUT TO
PORT
OFF
ON
CONNECT DCA TO VDIG
FOR MIDSPAN MODE
NOTE: ALL SIGNAL AND DIGITAL INPUTS/OUTPUTS ARE
REFERENCED TO DGND. DGND CAN BE ±4V FROM AGND_S.
*MAX5922A ONLY. MAX5922B/MAX5922C DO NOT HAVE A DCA PIN.
0.1µF
100V
47µF
100V
1Ω
5%
1/16W
100Ω
10µF
10V
1µF
10V
V
DIG
1.65V TO 5.5V
(REF TO DGND)
B1100LB
100V, 1A
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 21
© 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages
.)
TSSOP4.40mm.EPS
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

MAX5922AEUI+T

Mfr. #:
Buy MAX5922AEUI+T
Manufacturer:
Maxim Integrated
Description:
Hot Swap Voltage Controllers 48V Single-Port Network Power Switch
Lifecycle:
New from this manufacturer.
Delivery:
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