Discover supercharged solutions from Littelfuse to enhance safety, efficiency, and reliability for AC, DC, and wireless EV charging.
Explore an in-depth overview of the global electric vehicle (EV) charging market. Littelfuse offers a step-by-step look at the features and benefits of their EV charging solutions for AC, DC, and wireless charging stations, as well as each type of charger’s block diagram.
Types of electric vehicle charging stations
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| US | AC Level 1 | |
| 120V AC, 1-phase, 12A or 16A max. continuous current |
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| Rest of World | Mode 1 (AC) | Mode 2 (AC) | ||
| 250V AC, 1-phase, 16A max. -OR- 480V AC, 3-phase, 16A max. Cord with no pilot or auxiliary connections |
250V AC, 1-phase, 32A max. -OR- 480V AC, 3-phase, 32A max. Cord with control pilot & shock protection |
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| Delivers AC power from the wall socket to vehicle’s on-board charger Typically takes 8-12 hours* to charge fully depleted battery |
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* Charge time dependent on vehicle’s battery capacity and charge acceptance rate
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| US | AC Level 2 | |
| 208V-240V AC, 1-phase, ≤ 80A max. continuous current |
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| Rest of World | Mode 3 (AC) | |
| 250V AC, 1-phase, 32A max. -OR- 480V AC, 3-phase, 63A max. Permanently connected to AC supply with control pilot & shock protection |
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| Delivers AC power from the electrical supply to vehicle’s on-board charger Typically takes 4-6 hours* to charge fully depleted battery |
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* Charge time dependent on vehicle’s battery capacity and charge acceptance rate
AC charging station
| 1. Power Board |  |
3. Control Board |
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• Fuse • MOV • AC Contactor • AC Relay |
• Reed Relay • TVS Diode • Diode Array • Linear Optocoupler • Solid State Relay • Rotary Switch |
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| 2. Charging Gun | 4. Auxiliary Power Supply | |
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• Reed Sensor • Temperature Sensor • Snap Switch |
• Fuse • PPTC • MOV • SIDACtor® • Schottky Diode |
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| US | DC Fast Charger | |
| 380V-600V AC, 3-phase input; DC output |
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| Rest of World | Mode 4 (DC) | |
| AC or DC input supply, cord or permanently connected, with control pilot & shock protection | ||
| Delivers DC power, bypassing the vehicle’s
on-board charger Typically provides 80% charge of fully depleted battery within 15 to 30 minutes* |
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* Charge time dependent on vehicle’s battery capacity and charge acceptance rate
DC charging station
| 1. Power Board |  |
6. Power Distribution Unit |
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• Reed Sensor • Snap Switch |
• Fuse |
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| 2. Charging Gun | 7. Input Protection | |
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• TVS Diode Array • Polymer ESD • Tactile Switch |
• Fuse • Surge Protection Device • TVS Diode • Current Transformer • AC Earth Fault Relay |
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| 3. Communication | 8. DC Output Protection | |
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• Reed Sensor • Temperature Sensor • Snap Switch |
• DC Fuse • HVDC Contactor • Earth Fault Relay | |
| 4. Rectification & PFC | 9. Auxiliary Power Supply | |
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• SiC / Si MOSFET • Rectifier Diode / Module • Gate Driver • Temperature Sensor |
• Fuse • MOV, GDT, SIDACtor® + MOV • Si MOSFET • Rectifier Diode | |
| 5. DC-DC Conversion | 10. Charging Plug | |
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• SiC / Si MOSFET • Rectifier Diode / Module • Gate Driver • Temperature Sensor |
• Temperature Sensor • Reed Sensor • Snap Switch |
LEARN MORE - EV CHARGING SOLUTIONS PDF
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