Vehicle-mounted charger, integrated circuit of vehicle-mounted DC/DC, and electric vehicle
An on-board charger and integrated circuit technology, which is applied to electric vehicles, electric vehicle charging technology, battery circuit devices, etc., can solve the problems of unfavorable platformization, large assembly volume, and low integration, so as to reduce the cost of the whole vehicle and improve The effect of integration degree and total weight reduction
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Example Embodiment
[0058] Example 1
[0059] Such as figure 1 As shown, the vehicle-mounted charger and vehicle-mounted DC / DC integrated circuit of this embodiment includes a PFC module 1, a high-voltage AC-side power switch module 2, an AC transformation module 3, a mode switching module 4, a high-voltage DC-side power switch module 5. DC transformer module 6, low-voltage DC side power switch module 7, and main control module 8.
[0060] The PFC module 1, the high voltage AC side power switch module 2 and the AC transformation module 3 are electrically connected in sequence, the low voltage DC side power switch module 7 is electrically connected to the DC transformation module 6, and the AC transformation module 3 and the DC transformation module 6 pass mode The switching module 4 is electrically connected with the high-voltage DC side power switch module 5; the mode switching module 4 is electrically connected with the main control module 8.
[0061] The PFC module 1 is also electrically connected t...
Example Embodiment
[0083] Example 2
[0084] Such as figure 2 As shown, the on-board charger and on-board DC / DC integrated circuit of this embodiment is a further improvement of Embodiment 1, specifically:
[0085] The PFC module 1 includes a first inductor L1, a first capacitor C1, a first power switch tube unit Q1, a second power switch tube unit Q2, a third power switch tube unit Q3, and a fourth power switch tube unit Q4.
[0086] Wherein, one end of the first inductor L1 is electrically connected to one end of the external power supply, and the other end of the first inductor L1 is electrically connected to one end of the first power switch tube unit Q1 and one end of the third power switch tube unit Q3; One end of the switching tube unit Q2 and one end of the fourth power switching tube unit Q4 are electrically connected to the other end of the external power supply;
[0087] The other end of the first power switch tube unit Q1 and the other end of the second power switch tube unit Q2 are electri...
Example Embodiment
[0125] Example 3
[0126] The on-board charger and on-board DC / DC integrated circuit in the electric vehicle embodiment 1 or 2 of this embodiment.
[0127] The electric vehicle of this embodiment is equipped with an on-board charger and an on-board DC / DC integrated circuit, which optimizes the layout space of the entire vehicle and reduces the cost of the entire vehicle.
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