BCM3814x60E10A5yzz
Electrical Specifications (Cont.)
Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of -40°C ≤ TCASE
≤100°C (T-Grade); all other specifications are at TCASE = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
General Powertrain High Voltage Side to Low Voltage Side Specification (Forward Direction) Cont.
Effective HI Side Capacitance
(Internal)
CHI_INT
CLO_INT
CLO_OUT_EXT
CLO_OUT_AEXT
Effective Value at 54VHI_DC
Effective Value at 9VLO_DC
11.2
202
µF
µF
µF
Effective LO Side Capacitance
(Internal)
Effective LO Side Output Capacitance
(External)
Excessive capacitance may drive module into SC
protection
6000
Effective LO Side Output Capacitance
(External)
CLO_OUT_AEXT Max = N * 0.5 * CLO_OUT_EXT MAX, where N
= the number of units in parallel
Powertrain Protection High Voltage Side to Low Voltage Side (Forward Direction)
Startup into a persistent fault condition. Non-Latching
fault detection given VHI_DC > VHI_UVLO+
Auto Restart Time
tAUTO_RESTART
VHI_OVLO+
VHI_OVLO-
490
63
560
71
ms
V
HI Side Overvoltage Lockout
Threshold
67
65
2
HI Side Overvoltage Recovery
Threshold
61
69
V
HI Side Overvoltage Lockout
Hysteresis
VHI_OVLO_HYST
tHI_OVLO
V
HI Side Overvoltage Lockout
Response Time
100
1
µs
ms
A
From powertrain active. Fast Current limit protection
disabled during Soft-Start
HI Side Soft-Start Time
tHI_SOFT-START
ILO_OUT_OCP
tLO_OUT_OCP
ILO_OUT_SCP
tLO_OUT_SCP
tOTP+
LO Side Output Overcurrent Trip
Threshold
180
195
125
204
3
240
LO Side Output Overcurrent
Response Time Constant
Effective internal RC filter
ms
A
LO Side Output Short Circuit
Protection Trip Threshold
LO Side Output Short Circuit
Protection Response Time
1
µs
°C
Overtemperature Shutdown
Threshold
Temperature sensor located inside controller IC
(Internal Temperature)
BCM® in a VIA Package
Page 6 of 39
Rev 1.4
09/2016
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