Picor Corporation picorpower.com
QPI-6
Rev 2.6, Page 2 of 13
QPI-6
QUIETPOWER
Absolute Maximum Ratings – Exceeding these parameters may result in permanent damage to the product.
Input Voltage, BUS+ to BUS-, continuous
-80 to 80 Vdc
Input Voltage, BUS+ to BUS-, 100ms transient
-100 to 100 Vdc
BUS+/ BUS- to Shield pads, hi-pot
-1500 to 1500 Vdc
Input to output current, continuous @ 25°C TA
14 Adc
Input to output current, 10 seconds @ 25°C TA
20 Adc
Power dissipation, @ 65°C TA, 14 A
(2)
2.3 W
Operating temperature - TA
-40 to 125 °C
Thermal resistance
(2) - R
20 °C/W
Thermal resistance
(2) - R
J-PCB
8 °C/W
Storage temperature, JEDEC Standard J-STD-033B
-55 to 125 °C
Reflow temperature, 20 s exposure
245 °C
ESD, Human body model (HBM)
-2000 to 2000 V
Electrical Characteristics – Parameter limits apply over the operating temp. range, unless otherwise noted.
Parameter
Notes
Min
Typ
Max
Units
BUS+ to BUS- input range
Measured at 14 A, 65°C ambient temperature
(2)
30
80
Vdc
BUS+ to QPI+ voltage drop
Measured at 14 A, 65°C ambient temperature
(2)
135
mVdc
BUS- to QPI- voltage drop
Measured at 14 A, 65°C ambient temperature
(2)
29
mVdc
Common mode attenuation
VBUS = 48 V, Frequency = 250 KHz, line impedance = 50Ω
40
dB
Differential mode attenuation
VBUS = 48 V, Frequency = 250 KHz, line impedance = 50Ω
80
dB
Input bias current at 80 V
Input current from BUS+ to BUS-
8
mA
Note 2: See
Pad Descriptions
Pad Number
Name
Description
LGA Pattern (Top View)
12, 13, 14
BUS+
Positive bus potential
1, 15, 16
BUS-
Negative bus potential
7, 8, 9
QPI+
Positive input to the converter
2, 3, 4
QPI-
Negative input to the converter
5, 6
Shield
Shield connects to the system chassis or to a safety ground.
10
THERM1
These pads are electrically isolated from the internal circuitry of
the QPI-6. Either connecting THERM1 to QPI+ and THERM2 to
BUS+, or to copper region(s) not connected to Shield, is
recommended to help with thermal management.
11
THERM2
Ordering Information
Part Number
Description
QPI-6LZ
(3)
QPI-6 LGA Package, RoHS Compliant
QPI-6LZ-01
QPI-6 LGA Package, RoHS Compliant, Open Frame Package
Note 3: QPI-6LZ is a non-hermetically sealed package. Please read the “Post Solder Cleaning” section on page 12.
QPI-6 Evaluation Boards
Part #
Description:
QPI-6-EVAL1
A QPI-6LZ mounted on a small evaluation board with screw terminal blocks to allow for easy connection into an
existing system.
QPI-6-CB1
A QPI-6LZ mounted on a carrier board designed for use with DOSA compliant footprint dc-dc converters. Screw
terminal blocks to allow for easy connection into an existing system.
THERM2
BUS-
QPI+
QPI-
Shield
BUS+
1
2
3
4
5
6
15
16
12
11
10
9
7
8
13
14
THERM1