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Battery Formation and Testing System

Overview

This design leverages Renesas' high-performance 32-bit MCU series to enable bi-directional power conversion and highly accurate battery current and voltage measurement in battery formation and testing systems. It offers a cost-effective and comprehensive approach for enhanced performance and precision.

System Benefits​:

  • High-performance RA6T2 MCU helps to achieve high-performance bi-directional power conversion.
  • Feature-rich 24-bit ADC integrated into the RA2A1 MCU ensures highly accurate current and voltage measurement and control.

Block Diagram

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CN213: WEBConnector Line.334Connector Line.358TransformerLine.841Inductor Air Core.509Sheet.15Sheet.16Sheet.17Sheet.18Sheet.19Sheet.20Sheet.21Sheet.22Sheet.23Line.29Inductor Air Core.212Sheet.26Sheet.27Sheet.28Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Sheet.34LineLine.36Line.38Line.39Diode blockD I O D EDIODEConnector ArrowNegative Power RailLine.758Line.759230V/380V230V/380V230V/380VIntermediate Regulation BUSIntermediate Regulation BUSIntermediate Regulation BUSFET n-channel.188FET n-channelSheet.49Sheet.50Sheet.51Sheet.52Sheet.53Sheet.54Sheet.55DiodeSheet.57Sheet.58Sheet.59Line.60Line.62Line.63Connector 1.160Line.65Line.66Line.67Resistor - FixedLine.70Connector 1.160.71Line.72FET n-channel.74FET n-channelSheet.76Sheet.77Sheet.78Sheet.79Sheet.80Sheet.81Sheet.82Diode.83Sheet.84Sheet.85Sheet.86Line.87Line.88Line.89Connector 1.90Line.91Line.92Line.93Resistor - Fixed.94Line.97Connector 1.98Transformer Inductor Iron CoreLine.841Inductor Air Core.212Sheet.103Sheet.104Sheet.105Sheet.106Sheet.107Sheet.108Sheet.109Sheet.110Sheet.111Line.29Connector 1.160.113Connected signals lineLine.115Resistor - Fixed.116Ground - EarthSheet.118Sheet.119Sheet.120Sheet.121Line.122Connector 1.160.124Connector LineCircle.129Circle.130Connector Line.131Resistor - Fixed.132Resistor - Fixed.133Resistor - Fixed.134Line.135Battery 1-CellSheet.137Sheet.138Line 1pt.1552Line 1pt.1583Capacitor Non-polarizedSheet.142Sheet.143Sheet.144Sheet.145Ground - Earth.146Sheet.147Sheet.148Sheet.149Sheet.150Resistor - Fixed.151Line.152Line.153Line.154Connector Line.15540S Cell 168V40S Cell 168V40S Cell168VLine.157Connector 1.160.158Connector Line.159Line.161Sheet.163CircleCircle.127Battery Current Detection & MonitorBattery Current Detection & MonitorBattery Current Detection & MonitorLine.214Connector 1.160.215CircleCircle.127Connector 1.160.220Connector 1.160.222Battery Voltage Detection & MonitorBattery Voltage Detection & MonitorBattery Voltage Detection & MonitorConnector Line.274Connector 1.160.275Dual componentComponent block.631Gate DriverGate DriverGate DriverCircle.281Ground - Earth.283Sheet.284Sheet.285Sheet.286Sheet.287Ground - Earth.288Sheet.289Sheet.290Sheet.291Sheet.292Circle.296Circle.298I/O ControlI/O ControlI/O ControlCircle.303Line.304Circle.308Battery Testing Front-End x4Battery Testing Front-End x4Battery Testing Front-End x4Line Arrow.330Line Arrow.331Complimentary PWMComplimentary PWMComplimentary PWMComplimentary PWMComplimentary PWMComplimentary PWMConnector 1.160.338Negative Power Rail.343Line.758Line.759230V/380V230V/380V230V/380VLine.34712V12V12VLine Arrow.349RelayRelayRelayConnector Arrow.353Connector Arrow.354Connector Arrow.359Connected signals arrow3.3V/0.5Amax3.3V/0.5Amax3.3V/0.5AmaxLine Arrow.3625V/0.5Amax5V/0.5Amax5V/0.5AmaxCN213CN213CN213Buck RegulatorBuck RegulatorBuck RegulatorLDOLDOLDOLDOLDOLDOAC/DCAC/DCAC/DCSheet.365MCUMCUMCUADCADCADCADCADCADCPeripheralVDDVDDCANCANCANSheet.366MCUMCUMCUCMPCMPCMPGPIOGPIOGPIOPOEPOEPOEConnector Arrow.328Connector Arrow.32912-Bit ADC12-Bit ADC12-Bit ADCVDDVDDVDDCANCANCANSheet.367 Op AmpOp AmpOp AmpSheet.184CircleCircle.127Sheet.187CircleCircle.127Op Amp.203PeripheralOp Amp ComparatorSheet.206Sheet.207DriverSheet.209Sheet.210Sheet.211Op AmpPeripheralOp Amp ComparatorSheet.197Sheet.198DriverSheet.200Sheet.201Sheet.202Connector Line.221Connector Line.219Connected signals line.192Connected signals line.212Line ArrowLine Arrow.314Sheet.368Op AmpOp AmpOp AmpSheet.250CircleCircle.127Sheet.253CircleCircle.127Op Amp.256PeripheralOp Amp ComparatorSheet.259Sheet.260DriverSheet.262Sheet.263Sheet.264Op Amp.265PeripheralOp Amp ComparatorSheet.268Sheet.269DriverSheet.271Sheet.272Sheet.273Sheet.369Op AmpOp AmpOp AmpSheet.225CircleCircle.127Sheet.228CircleCircle.127Op Amp.231PeripheralOp Amp ComparatorSheet.234Sheet.235DriverSheet.237Sheet.238Sheet.239Op Amp.240PeripheralOp Amp ComparatorSheet.243Sheet.244DriverSheet.246Sheet.247Sheet.248Connector Line.279Connected signals line.280Connector Line.297Connector Line.299Connected signals line.301Connected signals line.302Connected signals line.305Connector Line.306Line Arrow.339Line Arrow.340Line Arrow.341Line Arrow.342

MCU

RA Arm Cortex-M MCUs

MCU

RA Arm Cortex-M MCUs

LDO

Linear Regulators (LDO)

LDO

Linear Regulators (LDO)

Buck Regulator

Buck Regulators (Integrated FETs)

AC/DC

Flyback & Forward Controllers

Gate Driver

Photocouplers/Optocouplers Motor Drive

Op Amp

General-purpose Op Amps

Op Amp

General-purpose Op Amps

Op Amp

General-purpose Op Amps

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