On-board Charger Solution – Energy Efficient & Space Optimized – Performance Unleashed!

Advancements in technology, particularly in electric vehicles, are making a positive impact by enabling faster, more energy-efficient, and environmentally friendly transportation. To meet the growing demands of modern users, advanced on-board charger (OBC) solutions not only enhance charging efficiency but also ensure safety and improve system reliability, delivering a smarter and more sustainable driving experience for both Electric Vehicles (EVs) and Plug-in Hybrid Electric Vehicles (PHEVs).

EPI Vietnam Technologies, the official distributor of Toshiba & Alphawire in Vietnam, introduces Toshiba’s cutting-edge on-board charger solution, designed to reduce power consumption and minimize circuit board size, thereby enhancing overall system performance.

These advanced solutions feature a range of semiconductor products suitable for DC-DC converters, power supply units, and more. Toshiba’s offering includes reverse battery protection circuits and load switches, providing a higher level of safety compared to conventional solutions by preventing damage from incorrect battery connections. Additionally, isolation-designed control circuits and electrostatic discharge (ESD) protection enhance system durability and reliability.

Toshiba’s Automotive On-board Charger solutions integrate multiple advanced technologies to maximize efficiency, including AI-driven charging optimization and energy management, extending battery life. Partnering with Toshiba & Alphawire, EPI Vietnam Technologies is committed to delivering optimal and superior solutions to customer.

Main components used in the circuit:

  1. XPQR3004PB N-ch MOSFET – Toshiba

Specifications:

  • AEC-Q101 Qualified
  • Low On-Resistance: RDS(ON) = 0.23 mΩ (typ.) (VGS = 10 V)
  • Low Leakage Current: IDSS = 10 µA (max) (VDS = 40 V)
  • Enhancement Mode: Vth = 2.0 to 3.0 V (VDS = 10 V, ID = 1.0 mA)

Learn more: XPQR3004PB

2. TLX9185A Transistor Output Photocoupler của Toshiba 

Specifications:

  • Isolation Voltage: 3750 Vrms (min)
  • Collector-Emitter Breakdown Voltage: 200V (min)
  • Switching Current: 100% (min)
  • Saturation Current: 30% (min)
  • Collector-Emitter Saturation Voltage: 0.4V (max)
  • Maximum Off-State Current: 10 μA
  • Turn-On Time: 100 μs (max)
  • Turn-Off Time: 500 μs (max)

Learn more: TLX9185A

3. TPD7106FGate Driver For Switch – Toshiba 

Specifications:

  • Integrated charge pump circuit (External charge pump capacitor required).
  • Output current: -10mA / +400mA, controllable via parallel N-channel power MOSFETs.
  • Integrated reverse power connection protection.
  • Integrated diagnostic output for low charge pump voltage.
  • Operating voltage (DC): –18 to 27 V.
  • SSOP16 package.

Learn more: TPD7106F 

4. 5853HOOKUP 26 (7/34) AWG Silver Plated CopperAlphawire 

Specifications:

  • Conductor Type: 26 AWG (7/34) Silver-Plated Copper
  • Insulation Thickness: 0.010 inch (PTFE)
  • Overall Diameter: 0.039 inch ± 0.004 inch
  • Voltage Rating: 600 Vrms
  • Operating Temperature: -60 to 200°C

Learn more: 5853

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Block diagram

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