On-Board Charger (OBC)
On-Board Charger (OBC)
■ Circuit block
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Voltage measuring circuits (input/output)
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- Voltage measuring circuits
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Chip resistor (high-precision chip resistor)RecommendedERA*A ERA*V/K/P /ERJPBhigh-precision＜Feature＞
- 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.
Noise filter (input/output)
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- Noise elimination
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Film Capacitors (Automotive, Industrial and Infrastructure Use)RecommendedECWFG seriesHigh reliability High safety＜Feature＞
- ❶ High reliability : The film capacitor offers high resistance to humidity and thermal impact, and conforms to AEC-Q200.
- ❷ High safety : High safety: With its security mechanism (fuse), the film capacitor ensures high safety (it puts the circuit into an opened state in failure mode).
Full-wave rectifying circui、PFC circuit
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- Voltage smoothing
- Film Capacitors (Automotive, Industrial and Infrastructure Use)RecommendedECWFG / EZPVHigh reliability High safety
＜Feature＞
- ❶ High reliability : The film capacitor offers high resistance to humidity and thermal impact, and conforms to AEC-Q200.
- ❷ High safety : With its security mechanism (fuse), the film capacitor ensures high safety (it puts the circuit into an opened state in failure mode).
Voltage conversion circuit
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- Suppressing gate-driving noise by the switching element
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Chip resistor (small and high-power chip resistor)
DC/DC converter
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- Noise elimination, switching, and smoothing
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Conductive polymer hybrid aluminum electrolytic capacitorRecommendedZK/ZT serieshigh capacitance high ripple-suppression low ESR＜Feature＞
- ❶ A capacitor offers high capacitance, low ESR, and high ripple-suppression performance, contributing to a reduction in the size of the circuit and an increase in the power capacity (low voltage and large current) of the circuit.
- ❷ Having capacitance characteristics to cut off high-frequency components, the capacitor eliminates a wide range of high-frequency noise that is generated by the high-frequency switching of the circuit.
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- Voltage conversion
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Automotive power inductorRecommendedLP serieslarge current low DCR High vibration resistance＜Feature＞
- ❶ An inductor made of a metal magnetic material suffers less power loss and carries a large current, contributing to a reduction in the size of the circuit and an increase in the power capacity (low voltage and large current) of the circuit.
- ❷ Having loss characteristics in a higher frequency range (low ACR), the inductor contributes to the suppression of power loss caused by high-frequency switching of the circuit.
Communication I/F
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- Static electricity measures
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Chip varistorRecommendedEZJP series 1005 sizesmall size High performance＜Feature＞
- ❶ With a wide range of capacitance characteristics, these components suppress electrostatic noise (ESD) while keeping the communication quality of the circuit intact.
- ❷ With its capacitance ranging from 8 pF to 250 pF, the chip varistor operates effectively at low and high communication speeds.
Related information
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