BCM384y120x1K5AC1
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+
STARTUP SEQUENCE
VIN > VIN_UVLO+
STANDBY SEQUENCE
EN High
EN High
Powertrain Stopped
Powertrain Stopped
ENABLE falling edge,
or OTP detected
tUVLO+_DELAY expired
ONE TIME DELAY
INITIAL STARTUP
Input OVLO or UVLO,
Output OCP,
Fault
Auto-
or UTP detected
recovery
ENABLE falling edge,
FAULT
or OTP detected
SUSTAINED
OPERATION
SEQUENCE
Input OVLO or UVLO,
Output OCP,
EN High
EN High
or UTP detected
Powertrain Stopped
Powertrain Active
Short Circuit detected
BCM® Bus Converter
Rev 1.4
05/2015
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