參數(shù)資料
型號(hào): PD69101ILQ
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PQCC24
封裝: 4 X 5 MM, ROHS COMPLIANT, PLASTIC, QFN-24
文件頁(yè)數(shù): 15/18頁(yè)
文件大小: 448K
代理商: PD69101ILQ
1 Port PSE PoE PD69101 Controller
Detailed Pinout Description
PIN
PIN NAME
PIN TYP E
DESCRIPTION
0
Exposed PAD
Analog Gnd
Exposed PAD; metal plate on the IC bottom side connected to
analog ground.
A high quality ground plane (about 500 mil inch over 500 mil inch)
should be deployed around this pin whenever possible.
WWW
.
1
CURRENT_SET
Digital Input
2
AF/AT
Digital Input
User input to set AF / AT and maximum current limit.
Use Pull-up resistors to DVDD or Pull-Down resistors to DGND to set
mode of operation according to the detailed tables (page 4).
Microse
m
i
3
DVDD
Power In
Regulated Input Voltage (3.3 V) for internal digital circuitry.
Should be externally connected to pin 4.
4
VAUX3P3
Power In
Voltage regulation in 3.3 VDC.
To be connected to pin 5.
.CO
M
A 4.7 uF capacitor to AGND is recommended.
5
DRV_VAUX3P3
Power Out
Internal voltage regulator out 3.3 VDC.
To be connected externally to pin 4.
6
VAUX5
Power
Regulated 5 VDC voltage filter.
A 1 uF capacitor to AGND is recommended.
7
AGND
Power
Analog GND
Supply voltage for the internal analog circuit. Place a low ESR
bypass capacitor, not less than 1 uF, as close as possible to AGND
and this pin with low impedance traces.
8
V_MAIN
Power
9
PORT_NEG
Analog I/O
Negative output of the port.
10
PORT_SENSE
Analog Input
Sense resistor port input (connected to 0.5, 1% Ohm resistor to
GND).
11
QGND
Power
Quiet analog ground: used for sensitive analog cells.
12
I_REF
Analog I/O
Resistor reference. Connect 30.1 K 1% resistor to QGND.
13
LED0
Open Drain
I/O
14
LED1
Open Drain
I/O
Port Status Direct LED indications – see detailed table description.
This is a High voltage, Open drain, Active low (SINK) output pin.
Recommended to be connected to LED and Vmain through a
~18.2 Kohm (~3 mA) resistor
15
N/C
Analog I/O
16
N/C
Analog I/O
Test pin; for production use only.
Keep open; not connected.
17
TRIM
Analog Input
Zapping Input for IC production trimming.
Should be connected to DVDD.
18
SYNC
Digital I/O
Synchronization open drain IO pin between master and slave, for 4-
Pair applications
In ALT A 2 Pair mode (Switch) this pin should be pulled down to
DGND via a 4.7 Kohm resistor.
In 4 Pair mode, connect the SYNC pin of Master and Slave and pull it
up to the DVDD with 4.7 Kohm resistor
19
DGND
Digital I/O
Digital GND.
20
RESET_N
Digital Input
Reset input / On-Off command (Active Low).
21
MODE 0
Test I/O
22
MODE 1
Test I/O
Configuration Input Pins: Used to set Mode of operation and Test
mode at production.
Typically connected to DGND.
PD69101
See Table Below
23
Master/Slave
Digital Input
If connected to DVDD (3.3 VDC): Master mode
If connected to GND: Slave mode (4 pair application)
Copyright 2009
Microsemi
Rev. 1.1, 08-March-10
Analog Mixed Signal Group
2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308
6
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