BCM6123xD1E5126yzz
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
General Powetrain PRIMARY to SECONDARY Specification (Forward Direction)
Primary Input Voltage range,
continuous
VPRI_DC
260
410
V
V
VPRI_DC voltage where µC is initialized,
(ie VAUX = Low, powertrain inactive)
VPRI µController
VµC_ACTIVE
120
Disabled, EN Low, VPRI_DC = 380V
TINTERNAL ≤ 100ºC
2
PRI to SEC Input Quiescent Current
IPRI_Q
mA
4
VPRI_DC = 380V, TINTERNAL = 25ºC
VPRI_DC = 380V
9.8
12
16
15
20
5.9
PRI to SEC No Load Power
Dissipation
PPRI_NL
W
VPRI_DC = 260V to 410V, TINTERNAL = 25ºC
VPRI_DC = 260V to 410V
VPRI_DC = 410V, CSEC_EXT = 100µF, RLOAD_SEC = 50% of
full load current
4
PRI to SEC Inrush Current Peak
IPRI_INR_PK
A
TINTERNAL ≤ 100ºC
10
DC Primary Input Current
Transformation Ratio
IPRI_IN_DC
K
At ISEC_OUT_DC = 25.7A, TINTERNAL ≤ 100ºC
Primary to secondary, K = VSEC_DC / VPRI_DC, at no load
3.5
A
1/8
V/V
Secondary Output Current
(continuous)
ISEC_OUT_DC
ISEC_OUT_PULSE
PSEC_OUT_DC
PSEC_OUT_PULSE
25.7
32.2
1200
1500
A
A
10ms pulse, 25% Duty cycle, ISEC_OUT_AVG ≤ 50% rated
Secondary Output Current (pulsed)
ISEC_OUT_DC
Secondary Output Power
(continuous)
Specified at VPRI_DC = 410V
W
W
Secondary Output Power
(pulsed)
Specified at VPRI_DC = 410V; 10ms pulse, 25% Duty
cycle, PSEC_AVG ≤ 50% rated PSEC_OUT_DC
VPRI_DC = 380V, ISEC_OUT_DC = 25.7A
VPRI_DC = 260V to 410V, ISEC_OUT_DC = 25.7A
VPRI_DC = 380V, ISEC_OUT_DC = 12.85A
VPRI_DC = 380V, ISEC_OUT_DC = 25.7A
97.1
96.4
97.2
96.5
97.6
PRI to SEC Efficiency (ambient)
PRI to SEC Efficiency (hot)
ηAMB
%
97.7
97
ηHOT
η20%
%
%
PRI to SEC Efficiency
(over load range)
5.14A < ISEC_OUT_DC < 25.7A
92
RSEC_COLD
RSEC_AMB
RSEC_HOT
FSW
VPRI_DC = 380V, ISEC_OUT_DC = 25.7A, TINTERNAL = -40°C
VPRI_DC = 380V, ISEC_OUT_DC = 25.7A
13
21
16.7
24.2
35
23
31
PRI to SEC Output Resistance
mΩ
VPRI_DC = 380V, ISEC_OUT_DC = 25.7A, TINTERNAL = 100°C
Frequency of the Output Voltage Ripple = 2x FSW
30
40
Switching Frequency
1.12
1.18
1.23
MHz
mV
CSEC_EXT = 0µF, ISEC_OUT_DC = 25.7A, VPRI_DC = 380V,
20MHz BW
195
Secondary Output Voltage Ripple
VSEC_OUT_PP
TINTERNAL ≤ 100ºC
300
Primary Input Leads Inductance
(Parasitic)
Frequency 2.5MHz (double switching frequency),
Simulated lead model
LPRI_IN_LEADS
LSEC_OUT_LEADS
LIN_INT
6.7
1.3
nH
nH
µH
Secondary Output Leads Inductance
(Parasitic)
Frequency 2.5MHz (double switching frequency),
Simulated lead model
Primary Input Series Inductance
(Internal)
Reduces the need for input decoupling inductance in
BCM arrays
0.56
BCM® Bus Converter
Page 6 of 30
Rev 1.1
01/2017
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