Picor Corporation · picorpower.com

QPI-6

Rev 2.6, Page 2 of 13

QPI-6

QUIETPOWER



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

14 Adc

20 Adc

(2)

2.3 W

-40 to 125 °C

Thermal resistance

20 °C/W

Thermal resistance

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

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

Figure 12 for the current de-rating curve.

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