BCM400P500T1K8A31 Datasheet, PDF (11/23 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

BCM400y500x1K8A31
High Level Functional State Diagram
Conditions that cause state transitions are shown along arrows. Sub-sequence activities listed inside the state bubbles.
Application
of V_IN
V_μC < V_IN < V_{IN_UVLO+}
STANDBY SEQUENCE
EN High
Powertrain Stopped
Fault
Auto-
recovery
V_IN > V_{IN_UVLO+}
STARTUP SEQUENCE
EN High
ENABLE falling edge,
or OTP detected
Powertrain Stopped
Input OVLO or UVLO,
Output OCP,
or UTP detected
t_{UVLO+_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 1.3
05/2015
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