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PDF BCM380P475T1K2A31 Data sheet ( Hoja de datos )
| Número de pieza | BCM380P475T1K2A31 | |
| Descripción | Fixed Ratio DC-DC Converter | |
| Fabricantes | Vicor | |
| Logotipo |  |
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Features
• Up to 1200 W continuous output power
• 1876 W/in3 power density
• 97.9% peak efficiency
• 4242 Vdc isolation
• Parallel operation for multi-kW arrays
• OV, OC, UV, short circuit and thermal protection
• 6123 through-hole ChiP package
n 2.494” x 0.898” x 0.286”
(63.34 mm x 22.80 mm x 7.26 mm)
• PMBusTM management interface*
Typical Applications
• 380 DC Power Distribution
• High End Computing Systems
• Automated Test Equipment
• Industrial Systems
• High Density Power Supplies
• Communications Systems
• Transportation
BCM® Bus Converter
BCM380y475x1K2A31
®S
C US C NRTL US
Fixed Ratio DC-DC Converter
Product Ratings
VIN = 380 V (260 – 410 V)
VOUT = 47.5 V (32.5 – 51.3 V)
(NO LOAD)
POUT = up to 1200 W
K = 1/8
Product Description
The VI Chip® Bus Converter (BCM) is a high efficiency Sine
Amplitude Converter (SAC), operating from a 260 to 410 VDC
primary bus to deliver an isolated ratiometric output from
32.5 to 51.3 VDC.
The BCM380y475x1K2A31 offers low noise, fast transient
response, and industry leading efficiency and power density. In
addition, it provides an AC impedance beyond the bandwidth
of most downstream regulators, allowing input capacitance
normally located at the input of a POL regulator to be located at
the input of the BCM module. With a K factor of 1/8, that
capacitance value can be reduced by a factor of 64x, resulting
in savings of board area, material and total system cost.
The BCM380y475x1K2A31, combined with the D44TL1A0
Digital Supervisor and I13TL1A0 Digital Isolator, provide a
secondary referenced PMBus™ compatible telemetry and
control interface. This interface provides access to the BCM’s
internal controller configuration, fault monitoring, and other
telemetry functions.
Leveraging the thermal and density benefits of Vicor’s ChiP
packaging technology, the BCM module offers flexible thermal
management options with very low top and bottom side
thermal impedances. Thermally-adept ChiP-based power
components, enable customers to achieve low cost power
system solutions with previously unattainable system size,
weight and efficiency attributes, quickly and predictably.
*When used with D44TL1A0 and I13TL1A0 chipset
BCM® Bus Converter
Page 1 of 23
Rev 1.4
05/2015
vicorpower.com
800 927.9474
1 page  
BCM380y475x1K2A31
Electrical Specifications
Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TINTERNAL
≤ 125°C (T-Grade); All other specifications are at TINTERNAL = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min Typ Max Unit
Input voltage range, continuous
Input voltage range, transient
VIN µController Active
Quiescent current
No load power dissipation
Inrush current peak
DC input current
Transformation ratio
Output power (continuous)
Output power (pulsed)
Output current (continuous)
Output current (pulsed)
Efficiency (ambient)
Efficiency (hot)
Efficiency (over load range)
Output resistance
Switching frequency
Output voltage ripple
Input inductance (parasitic)
Output inductance (parasitic)
Input Series inductance (internal)
Effective Input capacitance (internal)
VIN_DC
VIN_TRANS
VµC_ACTIVE
IQ
PNL
IINR_P
IIN_DC
K
POUT_DC
POUT_PULSE
IOUT_DC
IOUT_PULSE
hAMB
hHOT
h20%
ROUT_COLD
ROUT_AMB
ROUT_HOT
FSW
VOUT_PP
LIN_PAR
LOUT_PAR
LIN_INT
CIN_INT
Powertrain
Full current or power supported, 50 ms max,
10% duty cycle max
VIN voltage where µC is initialized,
(ie VAUX = Low, powertrain inactive)
Disabled, EN Low, VIN = 380 V
TINTERNAL ≤ 100ºC
VIN = 380 V, TINTERNAL = 25ºC
VIN = 380 V
VIN = 260 V to 410 V, TINTERNAL = 25ºC
VIN = 260 V to 410 V
VIN = 410 V, COUT = 100 µF,
RLOAD = 25% of full load current
TINTERNAL ≤ 100ºC
At POUT = 1200 W, TINTERNAL ≤ 100ºC
K = VOUT / VIN, at no load
10 ms pulse, 25% Duty cycle, PTOTAL = 50% rated POUT_DC
10 ms pulse, 25% Duty cycle, ITOTAL = 50% rated IOUT_DC
VIN = 380 V, IOUT = 25.7 A
VIN = 260 V to 410 V, IOUT = 25.7 A
VIN = 380 V, IOUT = 12.85 A
VIN = 380 V, IOUT = 25.7 A, TINTERNAL = 100°C
5.14 A < IOUT < 25.7 A, TINTERNAL ≤ 100ºC
VIN = 380 V, IOUT = 25.7 A, TINTERNAL = -40°C
VIN = 380 V, IOUT = 25.7 A
VIN = 380 V, IOUT = 25.7 A, TINTERNAL = 100°C
Frequency of the Output Voltage Ripple = 2x FSW
COUT = 0 F, IOUT = 25.7 A, VIN = 380 V,
20 MHz BW
TINTERNAL ≤ 100ºC
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
Reduces the need for input decoupling
inductance in BCM arrays
Effective value at 380 VIN
260
260
5.9
97.1
96.4
97.2
96.5
92
13
21
30
1.12
2
9.8
4
1/8
97.6
97.7
97
16.7
24.2
35
1.18
195
6.7
1.3
1.2
0.37
410 V
410 V
120 V
mA
4
12
16
W
15
20
10
3.5
1200
1500
25.7
32.2
A
A
V/ V
W
W
A
A
%
%
%
23
31 mΩ
40
1.23 MHz
mV
300
nH
nH
µH
µF
BCM® Bus Converter
Page 5 of 23
Rev 1.4
05/2015
vicorpower.com
800 927.9474
5 Page 
BCM380y475x1K2A31
High Level Functional State Diagram
Conditions that cause state transitions are shown along arrows. Sub-sequence activities listed inside the state bubbles.
Application
of VIN
VμC < VIN < VIN_UVLO+
STANDBY SEQUENCE
EN High
Powertrain Stopped
Fault
Auto-
recovery
VIN > VIN_UVLO+
STARTUP SEQUENCE
EN High
ENABLE falling edge,
or OTP detected
Powertrain Stopped
Input OVLO or UVLO,
Output OCP,
or UTP detected
tUVLO+_DELAY expired
ONE TIME DELAY
INITIAL STARTUP
FAULT
SEQUENCE
EN High
Powertrain Stopped
ENABLE falling edge,
or OTP detected
Input OVLO or UVLO,
Output OCP,
or UTP detected
Short Circuit detected
SUSTAINED
OPERATION
EN High
Powertrain Active
BCM® Bus Converter
Page 11 of 23
Rev 1.4
05/2015
vicorpower.com
800 927.9474
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet BCM380P475T1K2A31.PDF ] | |
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