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The signal is a 1 kHz square wave at ±12 volts generated by the EVSE to detect the presence of the vehicle, communicate the maximum allowable charging current, and control charging begin/end. [ 21 ] ^ Top row is spaced 6.8 mm (0.27 in) above the centerline of the connector and the pins are spaced 15.7 mm (0.62 in) apart about the centerline.
The control protocol is a variation of LIN which retains the analog voltage level signaling from SAE J1772. The positive level of the LIN signal waveform can change from 12 volts to 9 or 6 volts (known as State A, State B, and State C in J1772). An earlier version of this LIN-based control protocol was published in Annex D of IEC 61851 edition 3.
CCS1 (Combined Charging System Combo 1) plug as used in North America. It is an extension of the J1772 standard AC charging connector. CCS Combo 1 vehicle inlet showing the J1772 and the two DC fast-charging pins Connectors: Incomplete Combo 2 (left) showing the two large direct current (DC) pins below, while the four alternating current (AC) pins for neutral and three-phase are removed, while ...
AC Level 1: Connects directly to a standard 120 V North American outlet; capable of supplying 6–16 A (0.7–1.92 kilowatts or "kW") depending on the capacity of a dedicated circuit. AC Level 2 : Uses 240 V (single phase) or 208 V (three phase) power to supply between 6 and 80 A (1.4–19.2 kW).
Typical public AC charger installation. Tethered (cable permanently attached) & untethered (dedicated socket outlet only) configurations. 3φ: 32A: 480V 4 EVSE rectifies AC grid & supplies DC power to EV using tethered cable with bidirectional communication – 200A: 400V DC, dedicated (IEC 62196-3) "fast DC" Current conversion handled by EVSE ...
The North American Charging System (NACS), standardized as SAE J3400, is an electric vehicle (EV) charging connector standard maintained by SAE International. [1] Developed by Tesla, Inc., it has been used by all North American market Tesla vehicles since 2021 and was opened for use by other manufacturers in November 2022.