Onboard Charging Module (OBCM)

Onboard Charging Module (OBCM) Content

Description

Electric vehicles (EVs) are becoming more present every day, with the adoption of EVs growing at an exponential rate. Onboard charging (OBC) is a very important part of EVs, since it determines the maximum possible charge rate while an AC charger is connected to the vehicle. The maximum charge capability for a fully electric vehicle is typically between 6.6kW and 22kW, and for a plug-in hybrid vehicle is typically between 3.3kW and 7.2kW.
MPS’s large portfolio of automotive-grade isolated solutions includes isolated gate drivers, isolated gate driver power supplies, digital isolators, Hall-effect current sensors, and non-isolated DC/DC converters. Our solutions are designed to meet the strictest high-power specifications by employing capacitive isolation for high CMTI and magnetic noise immunity.
MPS’s robust isolated solutions provide everything you need to power the next generation of onboard chargers.
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Block Diagram

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Isolated Current Sensor
Isolated Current Sensor
Isolated Current Sensor
Isolated Current Sensor
Isolated Current Sensor
Isolated Current Sensor
PFC Temperature Sensor
PFC Temperature Sensor
Primary Temperature Sensor
Primary Temperature Sensor
Secondary Temperature Sensor
Secondary Temperature Sensor
3-Phase PFC Power Stage
3-Phase PFC Power Stage
DC/DC Primary Power Stage
DC/DC Primary Power Stage
DC/DC Secondary Power Stage
DC/DC Secondary Power Stage
Isolated Current Sensor (Hall Sensor)
Isolated Current Sensor (Hall Sensor)
Isolated Current Sensor (Hall Sensor)
Isolated Current Sensor (Hall Sensor)
Isolated Gate Driver
Isolated Gate Driver
Isolated Gate Driver
Isolated Gate Driver
Isolated Gate Driver
Isolated Gate Driver
MCU
MCU
MCU
MCU
HV Load Battery
HV Load Battery
Digital Isolator
Digital Isolator
Voltage Reference (Shunt/Series)
Voltage Reference (Shunt/Series)
Voltage Reference (Shunt/Series)
Voltage Reference (Shunt/Series)
Gate Driver Isolated DC/DC Supply
Gate Driver Isolated DC/DC Supply
Buck, Boost, and LDO (Secondary Power Supply)
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Isolated DC/DC Supply
Isolated DC/DC Supply
Diagnostics
Diagnostics
Gate Driver Isolated DC/DC Supply
Gate Driver Isolated DC/DC Supply
Buck, Boost, and LDO (Secondary Power Supply)
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Voltage Supervisor and Watchdog Timer
Voltage Supervisor and Watchdog Timer

Components List

Technical Forum