BCM6123xD1E5126yzz
Electrical Specifications (Cont.)
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
Powertrain Supervisory Limits PRIMARY to SECONDARY (Forward Direction)
Primary Overvoltage Lockout
Threshold
VPRI_OVLO+
VPRI_OVLO-
VPRI_OVLO_HYST
tPRI_OVLO
420
405
434.5
424
10.5
100
235
245
10
450
440
V
V
Primary Overvoltage Recovery
Threshold
Primary Overvoltage Lockout
Hysteresis
V
Primary Overvoltage Lockout
Response Time
µs
V
Primary Undervoltage Lockout
Threshold
VPRI_UVLO-
220
230
250
260
Primary Undervoltage Recovery
Threshold
VPRI_UVLO+
VPRI_UVLO_HYST
tPRI_UVLO
V
Primary Undervoltage Lockout
Hysteresis
V
Primary Undervoltage Lockout
Response Time
100
µs
From VPRI_DC = VPRI_UVLO+ to powertrain active, EN
Primary Undervoltage Startup Delay tPRI_UVLO+_DELAY floating, (i.e One time Startup delay from application
of VPRI_DC to VSEC_DC
20
ms
)
Secondary Output Overcurrent Trip
Threshold
ISEC_OUT_OCP
tSEC_OUT_OCP
tOTP+
28
37
50
A
ms
°C
°C
°C
s
Secondary Output Overcurrent
Response Time Constant
Effective internal RC filter
3.2
Overtemperature Shutdown
Threshold
Temperature sensor located inside controller IC
125
Overtemperature Recovery
Threshold
tOTP–
105
110
3
115
-45
Undertemperature Shutdown
Threshold
Temperature sensor located inside controller IC;
Protection not available for M-Grade units.
tUTP
Startup into a persistent fault condition. Non-Latching
fault detection given VPRI_DC > VPRI_UVLO+
Undertemperature Restart Time
tUTP_RESTART
BCM® Bus Converter
Page 8 of 30
Rev 1.1
01/2017
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