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Power Inductors for Automotive application

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Contribute to down-sizing of ECU power circuit by small case size with higher current capability.
Low loss characteristic realizes high efficiency of power circuit of ECU and contribute to simplify thermal design process.
Metal composite monolithic structure realizes high reliability ECU design which is applied under severe environmental condition.
Heat resistance:150℃/2000h
Vibration:5Hz-2kHz/30G

Topics

Features

1.Contribute to down-sizing of ECU power circuit by small case size with high current capability
(30%-50% smaller than ferrite type)

Energy per volume

Graph of Energy per volume

DC Bias characteristics

Graph of DC Bias characteristics

2.Low loss characteristic realizes high efficiency of power circuit of ECU and contribute to simplify thermal design process.

ACR vs Frequency

Graph of ACR vs Frequency

3.Metal composite monolithic structure realizes high reliability ECU design which is applied under severe environmental condition.
・Heat resistance：150°C/2000 h
・Vibration:5 Hz - 2 kHz/30 G

Explanation of feature image

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Technology

Unique core technology which realizes “Top level high reliability “ in industry

Exploded view of PCC

  Ferrite type Panasonic
Structure Adhesion, assembly

Adhesion, assembly

 Monolithic

Monolithic
Air Gap GAP Non-GAP
  1. Metal magnetic material (Metal composite)
    Developed magnetic material which has High saturation magnetic flux density and low loss characteristic at high frequency.
  2. Wire wound molding coil
    Wire wound molding coil realizes smaller case size with high inductance value.
  3. Monolithic structure
    Monolithic structure of metal magnetic material and winding wire realizes vibration resistance.
  4. Terminal structure
    1. Gap structure between backside of terminal and core can reduce solder joint crack issue due to thermal stress
    2. Unique terminal structure which has no internal joint can realizes superior vibration resistance.

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AEC-Q200　compliant

Panasonic MC core type guarantees -40°C～150°C/2000cyc, 150°C/2000h reliability.

Reliability Test Items (Automotive grade standard)
Items Condition Evaluation time
Temperature cycling -40°C (10min) ~ +150°C(10min) 2000 cycles
Vibration 10G (5Hz ~ 2kHz) XYZ directions
(4h each)
30Ｇ(5Hz ~ 2kHz)
High temperature exposure 150°C 2000h
High Temperature operating Life 150°C,DC Rated current
Biased humidity 85°C, 85%RH 2000h
Operating life in humidity 85°C,85%RH,DC定格電流
Low temperature exposure -40°C 2000h
  • Evaluate solder cracks when mounted on PCB (Especially temperature cycling test)
  • Pre-treatment conditions: After 85°C, 85% RH, 168h, reflow-aging 3 times

Vibration conditions and reflow conditions can be individually handled according to customer conditions.

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Example

What is PCC?
Power Inductor for DC/DC converter, filter of ECU power circuit

Example for automotive

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Application by line-up

Application by line-up image

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