BQ50120QTA20 SYNQOR [SynQor Worldwide Headquarters], BQ50120QTA20 Datasheet

BQ50120QTA20

Manufacturer Part Number

BQ50120QTA20

Description

Quarter-brick DC Bus Converter

Manufacturer

SYNQOR [SynQor Worldwide Headquarters]

Datasheet

1.BQ50120QTA20.pdf (12 pages)

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Product # BQ50120QTA20

• Ultra-high efficiency, >96% at full rated load current

• Delivers up to 20 amps (240 Watts) of output current

• Input voltage range: 42V – 53V

• Fixed frequency switching provides predictable EMI per-

• Industry standard quarter-brick bus converter pin-out

• Industry standard size: 1.45” x 2.3” (36.8x58.4mm)

• Total height only 0.43” (10.9mm), permits better airflow

• Total weight: 1.5 oz. (42 grams)

• Flanged pins designed to permit surface mount solder-

• On/Off control referenced to input side

• Current sharing allowed without the use of any external

(power) with minimal derating - no heatsink required

formance

and smaller card pitch

ing (can avoid wave solder) using FPiP technique

circuitry.

T T h h e e B B u u s s Q Q o o r r

e e r r a a t t i i o o n n , , b b o o a a r r d d - - m m o o u u n n t t a a b b l l e e , , i i s s o o l l a a t t e e d d , , f f i i x x e e d d s s w w i i t t c c h h i i n n g g f f r r e e q q u u e e n n - -

c c y y d d c c / / d d c c c c o o n n v v e e r r t t e e r r t t h h a a t t u u s s e e s s s s y y n n c c h h r r o o n n o o u u s s r r e e c c t t i i f f i i c c a a t t i i o o n n t t o o

a a c c h h i i e e v v e e e e x x t t r r e e m m e e l l y y h h i i g g h h c c o o n n v v e e r r s s i i o o n n e e f f f f i i c c i i e e n n c c y y . . T T h h e e p p o o w w e e r r

d d i i s s s s i i p p a a t t e e d d b b y y t t h h e e c c o o n n v v e e r r t t e e r r i i s s s s o o l l o o w w t t h h a a t t a a h h e e a a t t s s i i n n k k i i s s n n o o t t

r r e e q q u u i i r r e e d d , , w w h h i i c c h h s s a a v v e e s s c c o o s s t t , , w w e e i i g g h h t t , , h h e e i i g g h h t t , , a a n n d d a a p p p p l l i i c c a a t t i i o o n n

e e f f f f o o r r t t . . T T h h e e B B u u s s Q Q o o r r s s e e r r i i e e s s p p r r o o v v i i d d e e s s a a n n i i s s o o l l a a t t e e d d s s t t e e p p d d o o w w n n

v v o o l l t t a a g g e e f f r r o o m m 4 4 8 8 V V t t o o a a 1 1 2 2 V V i i n n t t e e r r m m e e d d i i a a t t e e b b u u s s w w i i t t h h n n o o r r e e g g u u - -

l l a a t t i i o o n n i i n n a a s s t t a a n n d d a a r r d d “ “ q q u u a a r r t t e e r r - - b b r r i i c c k k ” ” m m o o d d u u l l e e . . B B u u s s Q Q o o r r c c o o n n - -

v v e e r r t t e e r r s s a a r r e e i i d d e e a a l l f f o o r r c c u u s s t t o o m m e e r r s s w w h h o o n n e e e e d d m m u u l l t t i i p p l l e e o o u u t t p p u u t t s s

a a n n d d w w i i s s h h t t o o b b u u i i l l d d o o r r b b u u y y p p o o i i n n t t o o f f l l o o a a d d c c o o n n v v e e r r t t e e r r s s t t o o w w o o r r k k

w w i i t t h h a a 1 1 2 2 V V r r a a i i l l . . R R o o H H S S C C o o m m p p l l i i a a n n t t ( ( s s e e e e p p a a g g e e 1 1 2 2 ) ) . .

Operational Features

Mechanical Features

Contr

Operational Features

Mechanical Features

Contr

ol Features

42-53V

™ ™

B B Q Q 5 5 0 0 1 1 2 2 0 0 Q Q T T A A 2 2 0 0 b b u u s s c c o o n n v v e e r r t t e e r r i i s s a a n n e e x x t t - - g g e e n n - -

Input

Phone 1-888-567-9596

Output

12V

240W

Power

www.synqor.com

att

2000Vdc

Isolation

• Input under-voltage lockout and over-voltage

• Output current limit and short circuit protection

• Output over-voltage protection

• Thermal shutdown

• 2000V, 30 MΩ input-to-output isolation

• UL/cUL 60950-1 recognized (US & Canada), basic

• TUV certified to EN60950-1

• Meets 72/23/EEC and 93/68/EEC directives

• Meets UL94V-0 flammability requirements

shutdown protects against abnormal input voltages

insulation rating

Safety Features

Doc.# 005-2BQ512J Rev. E

otection Features

BQ50120QTA20 Module

DC Bus Conver

Quar

BQ50120QT

ter-brick

pecification

Bus

03/17/06

echnical

Bus

echnical

Conver

ter

A20

Page 1

Related parts for BQ50120QTA20

BQ50120QTA20 Summary of contents

Page 1

... Flanged pins designed to permit surface mount solder- ing (can avoid wave solder) using FPiP technique Contr ol Features Contr ol Features • On/Off control referenced to input side • Current sharing allowed without the use of any external circuitry. Product # BQ50120QTA20 Phone 1-888-567-9596 12V 240W att 2000Vdc 12V 240W att ...

Page 2

... Refer to section on Keep Out Areas under Application Considerations for details. 10) The flanged pins are designed to permit surface mount soldering (allowing to avoid the wave soldering process) through the use of the flanged pin-in-paste technique. Product # BQ50120QTA20 Phone 1-888-567-9596 2.30 (58.4) 0.14 (3.6) 2 ...

Page 3

... Note 3: For modules with isolation voltage rating of 2250V, order the Feature Set option C. See last page for ordering details. Note 4: Higher values of isolation capacitance can be added external to the module. Product # BQ50120QTA20 Phone 1-888-567-9596 =48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient tem- Min ...

Page 4

... Contact the factory for official product family qualification documents. OPTIONS SynQor provides various options for Logic Sense, Pin Length and Feature Set for this family of DC/DC converters. Please consult the last page for information on available options. Product # BQ50120QTA20 Phone 1-888-567-9596 Min. Typ. Max. ...

Page 5

... Ambient Air Temperature ( Figure 5: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 0 LFM through 400 LFM with air flowing from pin 3 to pin 1 (nominal input voltage). Product # BQ50120QTA20 Phone 1-888-567-9596 10 42 Vin 48 Vin 52 Vin 12 14 ...

Page 6

... Figure 9: Turn-on transient at full load (resistive load) (2 ms/div Vout (5V/div ON/OFF Pin (5V/div). Figure 11 : Output voltage response to step-change in load current (50%-75%- 50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF, 100 m and 1µF ceramic cap. Top trace: Vout (200mV/div), Bottom trace: Iout (5A/div). Product # BQ50120QTA20 Phone 1-888-567-9596 ...

Page 7

... Figure 17: Load current (20A/div function of time when the con- verter attempts to turn on into a 1 mΩ short circuit. Top trace (200µs/div expansion of the on-time portion of the bottom trace. Product # BQ50120QTA20 Phone 1-888-567-9596 Figure 14: Input reflected ripple current through a 10 ...

Page 8

... Front End Figure A: Example of Intermediate Bus Architecture using BusQor bus converter and NiQor non-isolated converters Product # BQ50120QTA20 Phone 1-888-567-9596 with the input voltage range of the non-isolated converters being employed. The BusQor architecture is very scalable, meaning multiple bus converters can be connected directly in parallel to allow current sharing for higher power applications ...

Page 9

... Figure D: Output Short Circuit and Auto-Resetting protection diagram (not to scale) Product # BQ50120QTA20 Phone 1-888-567-9596 the short circuit persists, the output voltage will go through repeat- ed cycles of shutdown and restart with a duty cycle of 350µs (On) and 250ms (Off) respectively. The BusQor module returns (auto resetting) to normal operation once the short circuit is removed ...

Page 10

... Primary Figure F: Keep Out Areas for BusQor module Product # BQ50120QTA20 Phone 1-888-567-9596 For applications that require mounting parts BELOW the BusQor module, one should be aware of potential high levels of electro- magnetic interference, in addition to safety keep out. Users are advised to consult SynQor Applications engineering in such applications ...

Page 11

... BusQor module. details on PCB layout. Contact SynQor application engineering Vin Figure H: BusQor Output Paralleling for increased current output. Product # BQ50120QTA20 Phone 1-888-567-9596 for further assistance on PCB trace design. The current share performance of two paralleled modules is illus- trated in the graph in Figure J. In this graph the percent devia- tion from ideal sharing (50%) is plotted for each module versus the total output load current at 48Vin ...

Page 12

... Address: 155 Swanson Road Boxborough, MA 01719 USA Product # BQ50120QTA20 Phone 1-888-567-9596 ORDERING INFORMATION The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQor converters, please ensure that you use the complete 15 character part number consisting of the 12 character base part number and the additional 3 characters for options ...

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