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VI-HAM™, VE-HAM™

Actual Size:

4.6 x 2.4 x 0.5in

(116,8 x 61,0 x 12,7mm)

VxHAMxL

NRTL

High-Boost Harmonic Attenuation Module

Features & Benefits

•

675 Watts output power

•

Unity power factor

•

85 – 264V

universal input

•

Meets EN61000-3-2

•

Short circuit protection

•

Input surge limiting

•

High efficiency

•

RoHS compliant

•

For use with Vicor V375, VI-26x

and VI-J6x DC-DC Converters

Absolute Maximum Ratings

Parameter

L to N voltage

Mounting torque

Pin soldering temperature

Operating temperature

Storage temperature

Auxiliary output

Rating

265

280

5 [0.57]

750

[400]

–55 to +85

–65 to +100

Unit

in .lbs [N.m]

°F

[°C]

°C

M-Grade

Notes

Continuous

100ms

# 6-32 or m3.5

Product Overview

The high-boost HAM (Harmonic Attenuator

Module) is a universal AC input, PFC

front-end module that has been optimized

for use with the Vicor V375 series of

DC-DC converters.

A single high-boost HAM may be used with

any combination of V375 series DC-DC

converters which are available in Micro,

Mini and Maxi packages with up to 600

Watts of output power. Versions without

internal diode bridges (HAMD and BAMD)

can be operated in parallel to provide power

expansion capability. The combination of

the high-boost HAM with V375 DC-DC

converters results in a power conversion

system with twice the power density, fewer

components and lower cost compared to

previous HAM-based solutions.

In addition, the high-boost HAM is fully

compatible with Vicor VI-26x and VI-J6x

series DC-DC converters. This gives designers

the freedom to choose from the industry’s

broadest selection of DC-DC converters with

outputs from 2 to 95V

, 50 – 600 Watts.

The user need only provide external hold-up

capacitors, a few discrete components, and

a line filter (available from Vicor).

Part Numbering

VI - HAM

RoHS Designator

= Non RoHS Compliant

= RoHS Compliant

Product Grade Temperatures (°C)

Grade

Operating

Storage

–10 to +85

–40 to +100

–25 to +85

–40 to +100

–40 to +85

–55 to +100

–55 to +85

–65 to +100

Output

= 675W

Product Type

HAM

= Harmonic Attenuator Module

HAMD

= Harmonic Attenuator Module

Driver

BAMD

= Harmonic Attenuator Module

Booster

(HAMD and BAMD can be used in parallel

or in arrays for applications that require more

power than that available from a single HAM)

For application information please see the

Design Guide

at www.vicorpower.com.

VI-HAM™, VE-HAM™

Page 1 of 10

Rev 2.8

01/2019

VxHAMxL

Electrical Characteristics

Electrical characteristics apply over the specified operating voltage range, output load and baseplate temperature, unless otherwise specified.

All temperatures refer to the operating temperature of the baseplate. Specifications apply for AC mains having no more than 5% total harmonic distortion.

Input Specifications (HAM-xL, HAMD-xL, BAMD-xL)

Parameter

Operating input voltage

HAM, HAMD, BAMD

AC line frequency

Power factor

Total harmonic distortion

(line current)

Inrush current

CM Filter Inductance

DM Filter Inductance

0.2

0.35

0.75

Min

0.99

7.5

8.5

Amps

Typ

Max

264

Unit

Notes

Rectified AC for HAMD, BAMD

Unit will operate at 400Hz but may not meet

PF or THD specs

115 / 230V

, 50 – 100% load

115V

, sinusoidal input, full load

230V

, sinusoidal input, full load

230V

, full load

115V

, full load

External to HAM module (see Fig. 10)

Output Specifications

Parameter

Maximum output power

Output voltage

278

360

Efficiency

External hold up capacitance

per HAM

Ride through / hold up time

Ripple

Short circuit shut down current

500

100

280

365

Min

Typ

Max

675

282

370

3,000

Unit

Watts

µF

Vp-p

Notes

See power derating graph, Fig.3

115V

230V

In (see Fig. 3)

115V

, sinusoidal input, full load

230V

, sinusoidal input, full load

Includes external rectifier

loss for HAMD and BAMD

300W, 500µF minimum, external to HAM

675W, 1,000µF minimum, external to HAM

675W output with 1,000µF hold up capacitor, external to HAM

115V

, full load, 1,000µF hold up capacitor, external to HAM

230V

, full load, 1,000µF hold up capacitor, external to HAM

Foldback current limiting

Control Specifications

Parameter

Power OK threshold

Module enable/disable

threshold

Auxiliary output

240

Min

Typ

270

250

260

Max

Unit

≤ 3mA

Do not overload or add external capacitance

Notes

Function no longer supported

VI-HAM™, VE-HAM™

Page 2 of 10

Rev 2.8

01/2019

VxHAMxL

Electrical Characteristics (Cont.)

Electromagnetic Compatibility

Parameter

Transient / surge immunity

Line disturbance / immunity

Flicker / inrush

Harmonic current

Standard

EN61000-4-5

EN61000-4-11

EN61000-3-3

EN61000-3-2

Notes

1kV L-N, 2kV L-PE, 30205 filter and 30076 MOV

Main’s interruption or brown out

20A peak inrush at 230V

input

7.5% THD

Safety Specifications

Parameter

Isolation (IN to OUT)

Dielectric withstand

(I/O to baseplate)

Capacitance

2,121

150

Min

Typ

None

Max

Unit

Notes

Isolation provided by DC-DC converters

Baseplate earthed

Input to baseplate

Agency Approvals

Safety Standards

UL60950-1, EN60950-1, CSA 60950-1

Markings

cTÜVus, cURus

CE Marked

Notes

Low Voltage Directive

General Specifications

Parameter

Min

Typ

4.6 x 2.4 x 0.5

[116,8 x 61,0 x 12,7]

6.4 (180)

Solder plate

over copper alloy

GE ULtem 2100 black

#7310 UL94-VO rated

420,000

424,000

818,000

100

°C

hrs

Baseplate temperature

GB, 25°C

Max

Unit

[mm]

oz [g]

Notes

Size

Weight

Pin material

Cover material

Thermal shut down

MTBF

HAM

HAMD

BAMD

VI-HAM™, VE-HAM™

Page 3 of 10

Rev 2.8

01/2019

VxHAMxL

Technical Description

The HAM (Figure 1) consists of a full-wave rectifier, a

high-frequency zero-current switching (ZCS) boost converter,

active inrush current limiting, short-circuit protection, control and

housekeeping circuitry. The incoming AC line is rectified and fed

to the boost converter. The control circuitry varies the operating

frequency of the boost converter to maintain the output voltage

of the HAM above the peak of the incoming line, while forcing

the input current to follow the waveshape and phase of the line

voltage. The AC input current follows the voltage waveform and a

power factor better than 0.99 is achieved. Operating efficiency of

the boost converter is optimized at any incoming line voltage by an

adaptive output voltage (Figure 3) control scheme.

The output voltage of the HAM is a function of incoming AC line

voltage (Figure 3). On a nominal 115V

line, the output voltage

of the HAM is 280V

— well within the input operating voltage

range of Vicor V375 DC-DC converters. Above 180V

input, the

output voltage linearly increases with input voltage. At 230V

the

delivered voltage will be approximately 365V

. For any given input

line voltage, the HAM maintains enough headroom between the

output voltage and peak input voltage to ensure high-quality active

power factor correction without sacrificing operating efficiency.

Line

Recti-

fier

ZCS

Boost

Converter

Current

Sense

Inrush

& Short

Circuit

Protection

OUT

–

Voltage

Waveform

High-Frequency

Control

Output Voltage

Control

Module Enable

& House-

keeping

Power OK

Circuitry

Aux. Supply

Note:

Non-Isolated

Output

Gate IN

Gate OUT

NOTE: No input-to-output isolation.

Without PFC

With PFC

Figure 1 —

HAM block diagram

Figure 2 —

Input voltage and current wave forms,

with and without power factor correction

425

700

400

375

350

derate output power 11W/V for V

<110V

325

300

275

95 105 115 125 135 145 155 165 175 185 195 205 215 225 235 245 255 265

110

250

Output Power (W)

650

600

550

500

450

400

Input Voltage

RMS

Rated Output Power

Output Voltage

Figure 3 —

Output voltage and power rating versus input voltage

VI-HAM™, VE-HAM™

Page 4 of 10

Rev 2.8

01/2019

Output Voltage (V

)

VxHAMxL

GND

L2/N

LINE

Vicor

Line Filter

P/N 30205

6.3A

GATE IN

GATE OUT

VI-HAM-xL

+ OUT

P/OK

E/O

A/S

– OUT

+IN

L2/N

LOAD

L2/N

–IN

V375

DC-DC

Converters

Y-Capacitor

Component

Designation

C2, C3

R3*

D2, D3

D4, D5

C5–C8

F1, F2

Description

0.1µF ceramic, 50V

0.01µF ceramic, 5V

Hold up capacitor,

500 – 3,000µF

Vicor

Part Number

50k

250 , 0.25W

100k , 2W

1N4691 zener, 6.2V

1N4006 diode, 800V

00670

1N5817 schottky diode, 20V

26108

275V MOV

30076

4,700pF Y2 cap.

01000

Use recommended fusing for specific

DC-DC Converters

10A, 250V

Available as a HUB

from Vicor (see

adjoining table)

R3*

+IN

G ATE IN

G ATE OUT

–IN

VI-26x or

VI-J6x

DC-DC

Converters

Y-Capacitor

Hold-up Box (HUB)

µF

A 100kΩ, 2 Watt resistor is used for every

1,000µF of hold-up capacitance.

Figure 4 —

Connection diagram HAM / DC-DC converters

Pin Function / Description

L1 and L2/N (HAM)

An appropriate line filter is required to limit conducted emissions

and ensure reliable operation of the HAM, see Page 8. Connect

single phase AC mains to the input of the line filter via a 10A,

250V fuse. Connect the output of the filter to L1 and L2/N of the

HAM. Do not put an X-capacitor across the input of the HAM or

use a line filter with an X-capacitor on its output as power factor

correction may be impacted.

+IN, –IN (HAMD, BAMD)

These pins are connected to the output of the external bridge

rectifier in HAMD / BAMD configurations (Figure 5).

GATE IN (HAM)

The user should not make any connection to this pin.

GATE IN (HAMD)

This pin provides line voltage envelope and phase information for

power factor correction. This connection must be made through

the synchronization diodes between the line filter and bridge

rectifier (Figure 5).

GATE IN (BAMD)

The GATE IN pin is an interface pin to the GATE OUT pin of a

HAMD or BAMD depending on configuration. The user should

not make any other connection to this pin.

GATE OUT

The GATE OUT pin is a synchronization pin for HAMD/BAMD

arrays; the user should not make any other connection to this pin.

+OUT and –OUT

Connect the +OUT of the HAM to the +IN of the respective Vicor

DC-DC converters with the recommended fuse. Connect the

–OUT of the HAM to the –IN of the converters. In addition, an

external hold-up capacitor of 1,000µF with a minimum voltage

rating of 450V

, is required (across the output of the HAM) for

16 ms ride through time at full power (500µF for half power,

etc). This capacitor must be in close proximity to the HAM. Do

not exceed 3,000µF of total output capacitance. Lower values

of capacitance may be used for reduced hold up requirements,

but not less than 500µF. Lower capacitance values may degrade

power factor specifications.

VI-HAM™, VE-HAM™

Page 5 of 10

Rev 2.8

01/2019

型号	VE-HAM-CL-01	VI-BAMD-IL	VE-BAMD-ML	VE-BAMD-IL	VE-BAMD-CL	VI-BAMD-CL	VE-BAMD-EL	VI-HAM-18	VE-HAMD-CL-01	VE-HAM-CL-03
描述	RF Modules HB VE-HAM-CL-01 ROHS	RF Modules HB VI-BAMD-IL	RF Modules HB VE-BAMD-ML ROHS	RF Modules HB VE-BAMD-IL ROHS	RF Modules HB VE-BAMD-CL ROHS	RF Modules HB VI-BAMD-CL	RF Modules HB VE-BAMD-EL ROHS	RF Modules VI-HAM-18	RF Modules HB VE-HAMD-CL ROHS	RF Modules HB VE-HAM-CL ROHS
厂商名称	VICOR	VICOR	VICOR	VICOR	VICOR	VICOR	VICOR	VICOR	VICOR	VICOR
产品种类	射频模块	-	-	射频模块	射频模块	-	射频模块	射频模块	射频模块	射频模块