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Low-Cost Smart Instrument Cluster

Overview

A low-cost smart instrument cluster is a specialized system designed for developing low-end bike clusters. It simplifies system development with a single-chip architecture tailored for cluster applications, offering custom-segmented LCD designs and optimized power consumption for automotive environments.

System Benefits:

  • Simplifies system development with a single-chip architecture for cluster applications.
  • Supports custom-segmented LCD designs for tailored displays.
  • Delivers a complete system design with power efficiency suitable for automotive use.
  • Includes an MCU with on-chip modules like an LCD controller, stepper motor driver, sound generation, and real-time clock (RTC), reducing BOM cost and saving space.
  • Features turn-by-turn navigation capability using the world's smallest and lowest power Bluetooth® Low Energy system-on-chip (SoC).

Block Diagram

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4:3 ratioConnector Arrow.109Connector Arrow.111Connector Arrow.112Connector Arrow.117Sheet.1Sheet.2Sheet.3Sheet.4WS074WS074WS074GreenPAK Level TranslatorGreenPAK Level TranslatorGreenPAK Level TranslatorEncoder + User SwitchesEncoder + User SwitchesEncoder + User SwitchesVehicle InputsVehicle Inputs (Fuel, Battery, Speed, RPM, Tell-Tales)Vehicle Inputs(Fuel, Battery, Speed, RPM, Tell-Tales)Stepper MotorStepper MotorStepper MotorBuzzerBuzzerBuzzerTell-Tale LEDsTell-Tale LEDsTell-Tale LEDsCAN TransceiverCAN TransceiverCAN TransceiverLCD SegmentLCD SegmentLCD SegmentLCD/LED Segment DisplaySheet.33Sheet.34Sheet.35Sheet.36Sheet.37Sheet.38Sheet.39Sheet.40Sheet.41Sheet.42Sheet.43Sheet.44Sheet.45Sheet.46Sheet.47Sheet.48Sheet.49Sheet.50Sheet.51Sheet.52Sheet.53Sheet.54Sheet.55Sheet.56Sheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62ONONSheet.63OFFOFFSheet.64Sheet.65Sheet.66Sheet.67Sheet.68Sheet.69Sheet.70Sheet.71Battery 12V.186Sheet.74Sheet.75Sheet.76Sheet.7712V Battery12V Battery12V BatteryConnector ArrowConnector Arrow.80Connector LineConnected signals arrowConnected signals arrow.83Bi-directionalAntennaSheet.86Sheet.87Sheet.88Sheet.89Sheet.90Connector Line.913.3V3.3V3.3VVertical Wire Bundle222Sheet.95Connected signals arrow.96Connected signals arrow.975V5V5V5V5V5VBi-directional.100Vertical Wire Bundle.101222Sheet.103Connector Arrow.105Connector Line.106Connected signals arrow.107Connected signals arrow.108Bi-directional.113Vertical Wire Bundle.114 222Sheet.116Connector Arrow.118DC/DC BuckDC/DC BuckDC/DC BuckBluetooth Low EnergyBluetooth Low EnergyBluetooth Low EnergyLDOLDOLDOSheet.119MCUMCUMCUADCADCADCVDDVDDVDDUARTUARTUARTGPIOGPIOGPIOGPIOGPIOGPIOPWMPWMPWMPWMPWMPWMGPIOGPIOGPIO CANCANCANLVDLVDLVD

MCU

RL78 Low-Power 8 & 16-Bit MCUs

DC/DC Buck

Buck Regulators (Integrated FETs)

LDO

Linear Regulators (LDO)

Bluetooth Low Energy

Bluetooth Low Energy

GreenPAK Level Translator

GreenPAK with Asynchronous State Machine

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