Battery Management System(BMS)

Cell balance adjustment circuit

• Suppressing gate-driving noise by the switching element

  

  Chip resistor (high-precision chip resistor / small and high-power chip resistor)

  Recommended

  ERJH / HP / ERJB / ERJP

  High heat resistance High power Surge resistance

  ＜Feature＞

  1. ❶ Contributes to mechanical and electrical integration of in-vehicle units in harsh thermal environments and improved set reliability with excellent heat resistance and thermal shock resistance.
  2. ❷ With its original resistance pattern, electrode structure, etc., the chip resistor is small in size and yet handles high-power operations, thus contributing to a reduction in the size of the circuit.

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Voltage measurement

• Voltage measurement on the battery module and BMS unit

  

  Chip resistor (high-precision chip resistor)

  Recommended

  ERA*A ERA*V/K/P /ERJPB

  High precision

  ＜Feature＞

  1. ❶ A chip resistor with a thin-film structure offers a small resistance tolerance and a low TCR, contributing to high-precision control of the output characteristics of the circuit.

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DC/DC converter

• Noise reduction, switching, and smoothing

  

  Conductive polymer hybrid aluminum electrolytic capacitor

  Recommended

  ZKU / ZTU series

  Large capacitance High ripple current Low ESR

  ＜Feature＞

  1. ❶ Its high capacitance, low ESR, and high ripple performance contribute to circuit miniaturization and higher power features (low voltage and high current).
  2. ❷ Improved capacitance characteristics at high frequencies contribute to the elimination of noise, including high frequency components generated by high frequency switching of circuits over a wide band of frequencies.

• Voltage conversion

  

  Automotive power inductor

  Recommended

  LP series

  Large Current Low DCR

  ＜Feature＞

  1. ❶ Contributes to circuit miniaturization and higher power features (low voltage and high current) due to the low loss and high current performance of metallic magnetic materials.
  2. ❷ Improved loss characteristics (low ACR) at higher frequencies contribute to the suppression of losses in high frequency switching circuits.

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Transceiver I/F

• Static electricity measures

  

  Chip varistor

  Recommended

  EZJP series 1005 size

  Small size high performance

  ＜Feature＞

  1. ❶ Contributes to the suppression of electrostatic (ESD) noise while maintaining circuit communication quality with a lineup of products having a wide range of capacitance characteristics.
  2. ❷ Chip varistors support low to high communication speeds with capacitance characteristics ranging from 8 to 250 pF.

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The information presented is current as of the publication date and may be subject to future changes and updates.