45
Features
•Harmonic Current Attenuation to EN61000-3-2
•EMI Filtering to EN55022, Level B
•Transient Immunity to EN61000-4-5
•575W Rated Power Output
•Autoranging 115/230Vac Input
•Microprocessor Control
•Inrush Current Limiting
Product Highlights
The ENMods system is a new AC front end solution for compliance to electromagnetic compatibility (EMC) standards. It consists of the MiniHAM — a passive harmonic attenuation module and the FARM3 — an auto ranging AC-DC front end module. Combined with the filtering and hold-up capacitors as specified herein, the ENMods system provides full compliance to:
EN61000-3-2 Harmonic Current
EN55022, Level B Conducted Emissions
EN61000-4-5 Surge Immunity
EN61000-4-11 Line Disturbances
The MiniHAM is the first passive product specifically designed for compliance to EN harmonic current limits. Unlike active PFC solutions, the MiniHAM generates no EMI, greatly simplifying and reducing system noise filtering requirements. It is also considerably smaller and more efficient than active alternatives and improves MTBF by an order of magnitude. Optimized for operation on the DC bus (provided by the FARM3) rather than directly on the AC line, it will provide harmonic current compliance up to 600W of input power at 230Vac.
The 115/230Vac input FARM3 is a new member of Vicor’s Filter and Autoranging Module product line that has been optimized for use as the front end for the MiniHAM. Both modules are in Vicor’s standard Mini half-brick package. Together with Vicor’s 1st or 2nd Generation 300V input DC-DC converters, they form the basis of a low noise, high efficiency, rugged, simple and reliable EN compliant power system.
PRELIMINARY
Data Sheet
ENModsTM
Component Power Front End System for EN Compliance
Each module: 2.28 x 2.2 x 0.5 in 57,9 x 55,9 x 12,7 mm
Absolute Maximum Ratings
Parameter |
Rating |
Unit |
Notes |
L to N voltage (FARM3) |
264 |
Vrms |
Continuous |
L to N voltage (FARM3) |
280 |
Vrms |
100ms |
+Out to –Out voltage (FARM3) |
400 |
Vdc |
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BOK to –Out voltage (FARM3) |
16 |
Vdc |
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EN to –Out voltage (FARM3) |
16 |
Vdc |
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Mounting torque |
4-6(0.45-0.68) |
in-lbs (N-m) |
6 each, 4-40 screw |
Pin soldering temperature |
500 (260) |
°F (°C) |
<5 sec; wave solder |
Pin soldering temperature |
750 (390) |
°F (°C) |
<7 sec; hand solder |
Output current |
3.5 |
A |
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Thermal Resistance
Parameter |
Typ |
Unit |
Baseplate to sink; flat, greased surface |
0.16 |
°C/Watt |
Baseplate to sink; with thermal pad (P/N 20264) |
0.14 |
°C/Watt |
Baseplate to ambient |
8.0 |
°C/Watt |
Baseplate to ambient; 1000 LFM |
1.9 |
°C/Watt |
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Part Numbering
EN1 |
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C |
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1 |
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1 |
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Pin Style** |
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Baseplate |
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Type* |
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C = –20°C to +100°C |
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1 |
= Short Pin |
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= Slotted |
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T = –40°C to +100°C |
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= Long Pin |
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= Threaded |
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H = –40°C to +100°C |
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S = Short ModuMate |
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= Thru-hole |
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N = Long ModuMate |
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M = –55°C to +100°C |
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*EN1 product includes one each MiniHAM and FARM3 with same product grade, pin and baseplate style. **Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
ENMods System: FARM3 and MiniHAM |
Rev. 1.3 |
Page 1 of 12 |
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Electrical Characteristics
Electrical characteristics apply over the full operating range of input voltage, output power and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate. Performance specifications are based on the ENMods system as shown in Figure 1a.
FARM3 MODULE SPECIFICATIONS (see Figure 3 thru Figure 7 for operating characteristics)
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Parameter |
Min |
Typ |
Max |
Unit |
Notes |
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Operating input voltage |
90 |
115 |
132 |
Vac |
Autoranging (doubler mode) |
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Operating input voltage |
180 |
230 |
264 |
Vac |
Autoranging (bridge mode) |
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Input undervoltage |
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90 |
Vac |
No damage |
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AC line frequency |
47 |
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63 |
Hz |
C-,T-, H- and M-Grade |
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Power factor |
0.68 |
0.72 |
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Typical line |
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Inrush current |
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30 |
Amps |
264Vac line voltage |
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Efficiency |
94 |
96 |
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% |
Full load |
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AC Bus OK (BOK) |
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Low state resistance |
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15 |
Ω |
To negative output - Bus normal |
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Low state current |
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50 |
mA |
Bus normal |
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High state voltage |
14.8 |
15.0 |
15.2 |
Vdc |
Bus abnormal, 27k internal pull up to 15Vdc (see Figure12) |
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BOK true threshold |
235 |
240 |
245 |
Vdc |
Output Bus voltage |
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BOK false threshold |
200 |
205 |
210 |
Vdc |
Output Bus voltage |
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Module Enable (EN) |
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Low state resistance |
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15 |
Ω |
To negative output - Converters disabled |
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Low state current |
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50 |
mA |
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High state voltage |
14.8 |
15.0 |
15.2 |
Vdc |
150k internal pull up to 15Vdc (see Figure 11) |
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Enable threshold |
235 |
240 |
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Vdc |
Output bus voltage |
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Disable threshold |
185 |
190 |
195 |
Vdc |
Output bus voltage |
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AC Bus OK - Module Enable, differential error* |
15 |
17 |
20 |
Vdc |
AC Bus OK and Module Enable thresholds track |
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* Tracking error between BUS OK and Enable thresholds
MINIHAM MODULE SPECIFICATIONS (when used in accordance with Figure 1a)
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Parameter |
Min |
Typ |
Max |
Unit |
Notes |
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Output power |
0 |
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575 |
Watts |
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Efficiency @115Vac |
93 |
94 |
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% |
Full load |
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Efficiency @ 230Vac |
96 |
97 |
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% |
Full load |
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Output voltage |
250 |
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375 |
Vdc |
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External hold-up capacitance |
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3,300 |
µF |
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ELECTROMAGNETIC COMPATIBILITY (configured as illustrated in Figures 1a and 1b)
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Harmonic currents |
EN61000-3-2, Amendment 14 |
50-625W, 230Vac input 575W output (see Figure 2) |
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Input line disturbances |
EN61000-4-11 |
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Input surge withstand |
EN61000-4-5 |
2kV–50 |
µs common mode |
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1kV–50 |
µs differential mode |
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Conducted emissions |
EN55022, Level B |
(See Figures 8a thru 8c) |
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
ENMods System: FARM3 and MiniHAM |
Rev. 1.3 |
Page 2 of 12 |
|
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Electrical Characteristics (continued)
MODULE GENERAL SPECIFICATIONS
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Parameter |
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Min |
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Typ |
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Max |
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Unit |
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Notes |
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Safety approvals |
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FARM3 |
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TÜV + VDE EN60950, CE Marked (pending) |
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MiniHAM |
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CE Marked (pending) |
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Isolation (in to out) |
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None |
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Isolation provided by DC-DC converter(s) |
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Dielectric withstand (I/O to baseplates) |
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1500 |
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Vrms |
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Baseplate earthed |
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Leakage current |
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2.5 |
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mA |
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264Vac |
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MTBF |
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>1,000,000 |
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Hours |
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25˚C, Ground Benign |
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Baseplate material |
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Aluminum |
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Cover |
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Dupont Zenite / Aluminum |
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Pin material |
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–Style 1 & 2 |
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Copper, Tin/Lead solder dipped |
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–Style S & N (ModuMate compatible) |
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FARM3 |
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3.1(88) |
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MiniHAM |
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5.1(145) |
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Size |
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2.25 x 2.2 x 0.5 |
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Inches |
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Vicor’s standard mini half-brick package |
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57,9 x 55,9 x 12,7 |
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Storage temperature |
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(C-, T-Grade) |
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-40 |
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(H-Grade) |
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-55 |
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(M-Grade) |
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-65 |
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Operating temperature |
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(C-Grade) |
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-20 |
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(T-, H-Grade) |
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(M-Grade) |
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820 F |
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Holdup Box (HUB) |
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HUB820-S |
2200 |
F |
HUB2200-S |
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1200 F |
HUB1200-S |
2700 |
F |
HUB2700-S |
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1800 F |
HUB1800-S |
3300 |
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HUB3300-S |
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V5 |
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F1 |
C3 |
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N |
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+ |
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R1 |
C1 |
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+In |
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N |
N |
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N |
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N/+ |
N/+ |
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EMI GND |
BOK |
C7 |
V1 |
NC |
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D3 |
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AC line Input |
Filter |
V3 |
MINI |
PC (Gate In) |
DC-DC |
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ST |
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Vicor 300Vin |
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(Fig.1b) |
SR |
EN |
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NC |
HAM |
NC |
C9 |
Converter |
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C8 |
V2 |
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PR (Gate Out) |
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L |
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L/– |
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R2 |
C2 |
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PE |
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V6 |
R3 |
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C4 |
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D1 |
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C5 |
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Part |
Description |
Vicor |
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Part Number |
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C1,2 |
Holdup capacitors |
see text |
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F2 |
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C3 – 6 |
4700pF |
01000 |
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Sizing PCB traces: |
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+In |
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D4 |
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C7,8 |
Film Cap., 0.8µ F |
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All traces shown in bold carry significant |
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PC (Gate In) |
Vicor 300Vin |
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C9,C10 |
.001µ F |
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current and should be sized accordingly. |
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D2 |
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DC-DC |
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R1,2 |
150kΩ , 0.5W |
00127-1503 |
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C10 |
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PR (Gate Out) |
Converter |
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R3 |
499Ω , 0.125W |
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–In |
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V1,2 |
MOV 220V |
20461-220 |
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V3 |
270V MOV |
03040 |
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V5,V6 |
BBS75 Gas Tube |
26107 |
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C6 |
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F1,2 |
3A, PC Tron |
02178 |
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D1,2 |
Diode (1N4006) |
00670 |
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D3,D4 |
1N5817 |
26108 |
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To additional converters |
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Figure 1a—ENMods system and DC-DC converter interconnection drawing |
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
ENMods System: FARM3 and MiniHAM |
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|
Rev. 1.3 |
Page 3 of 12 |
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Operating Characteristics
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Vicor |
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Part |
Description |
Part Number |
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R1 |
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C1 |
1.0µ F |
02573 |
Input |
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L3 |
C2 |
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Output |
C2, C3 |
4700pF |
01000 |
L2/N |
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N |
C4 |
0.33µ F |
00927 |
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F1 |
6.3A Fuse(5mm) |
22985 |
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L1 |
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R4 |
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V1 |
C1 |
R3 |
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Fuse Holder |
25318 |
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L |
F1 |
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L1 |
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L2 |
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L1, L2 |
27µ H |
14563 |
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F1 |
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R2 |
C3 |
C4 |
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L3 |
1.3mH |
15016 |
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PE |
R1, R2 |
10Ω |
00126-10R0 |
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PE |
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R3 |
150kΩ , 0.5W |
00127-1503 |
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R4 |
2.2Ω , 2W |
25896 |
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V1 |
MOV |
03040 |
Figure 1b — Input EMI filter for EN55022, Level B compliance
Harmonic Current
10.00 |
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1.00 |
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(A) |
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Odd Harmonic Limits |
Current |
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*Even Harmonic Limits |
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Measured Values |
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0.10 |
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0.01 |
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2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 |
Harmonic Number
Figure 2 — Measured harmonic current at 230VAC, 575W vs. EN spec limits
*Measured values of even harmonics are below 0.01A
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
ENMods System: FARM3 and MiniHAM |
Rev. 1.3 |
Page 4 of 12 |
Set your site on VICOR at www.vicorpower.com