摘要:
An object of the present invention is to mount, for example, 12 arms compactly on a single semiconductor power module, to dispose DC terminals and AC terminals on an edge of the module and to keep inductance of a power circuit at a low level. According to the invention, two sets of upper arms (100,104 and 102,106) are disposed on the upper right and left sides of an insulated substrate 108, two sets of lower arms (101,105 and 103,107) are disposed on the lower right and left sides of the insulated substrate, the two sets of upper arms are mounted on a first wiring pattern C01 as wiring patterns on the insulated substrate, the two sets of lower arms are mounted respectively on second and third wiring patterns CO2 and CO2 disposed under the first wiring pattern, the first wiring pattern C01 is extended between the second and third wiring patterns, wiring from a positive terminal T01 is connected to the extended end portion, and three insulated substrates 108 are mounted in parallel to constitute a 12-in-1 module.
摘要:
The present invention relates to a plasma display apparatus, comprising a plasma display (8) ; a light emitting discharge circuit (401) having a semiconductor device which drives electrodes of the plasma display (8); and a power collector circuit (402) for collecting a charge current and a discharge current of the plasma display, having a reverse blocking IGBT (300). The reverse blocking IGBT (300) includes a first semiconductor layer (218, 210) of a first conductive type (p); a first main electrode (252) formed on one surface of the first semiconductor layer (218); a second semiconductor layer (211) of second conductive type (n) formed to be connected to the first semiconductor layer (210) ; a second main electrode (250) formed on the second semiconductor layer (211) opposite to the first main electrode (252); an insulated gate electrode (254) which controls a current flowing from the first main electrode (252) to the second main electrode (250); and a diode region, formed in the first and second semiconductor layers (210, 211), to prevent a current flowing in a reverse direction to the current flowing from the first main electrode (252) to the second main electrode (250).
摘要:
A plasma display apparatus which in its driving circuit mounts at least one of IGBTs (1, 2) having diodes (1b, 2b) built-in which are reverse conducting in a driving device which supplies a light emitting current and IGBTs (3, 4) having diodes (3b, 4b) built-in which have a reverse blocking function in a driving device which collects and charges the power.
摘要:
In a semiconductor device having a first terminal 101 (source terminal) and a second terminal 102 (drain terminal), the substrate main surface of a semiconductor chip is on the (110) face, the main contact face of an n-type region 2 and a p-type region 4 is the {111} face perpendicular to the (110) face, elongated n-type regions 2 and elongated p-type regions 4 which are arranged alternately and adjacently form a voltage holding area, said first terminal 101 is connected to said p-type regions through wiring, and said second terminal 102 is connected to said n-type regions 2. Also, said p-type region is formed to cover the bottom corners of a gate polycrystalline silicon layer 8.
摘要:
In a semiconductor device having a first terminal 101 (source terminal) and a second terminal 102 (drain terminal), the substrate main surface of a semiconductor chip is on the (110) face, the main contact face of an n-type region 2 and a p-type region 4 is the {111} face perpendicular to the (110) face, elongated n-type regions 2 and elongated p-type regions 4 which are arranged alternately and adjacently form a voltage holding area, said first terminal 101 is connected to said p-type regions through wiring, and said second terminal 102 is connected to said n-type regions 2. Also, said p-type region is formed to cover the bottom corners of a gate polycrystalline silicon layer 8.
摘要:
A semiconductor module comprising a plurality of switching device chips (35) disposed on a metal substrate (30) are provided with main electrodes (35C, 35E) on the main surfaces of the chips (35) and a control electrode (35G); at least one diode chip (36) disposed on the metal substrate (30) is provided with main electrodes (36A, 35K) on the main surface of said chip (36); an electrode plate (31) disposed on the metal substrate (30) through an insulation plate (32a) and connected with a plurality of conductive portions of the other main electrodes of the switching device chip (35) and the diode chip (36); first and second lead terminals for connecting the one main electrode (35C) of the switching device chip (35) with the one main electrode (36A) of the diode chip (36), and a resin case (103) for covering the module, wherein the first and second lead terminals are brought out to an outside of the resin case.
摘要:
In the IGBT having at least a p+n-pn+ structure from the collector to the emitter, the n layer with higher density than the n- layer is formed between the n- layer and the p layer. The n layer is a barrier for holes, and as the holes are stored in the n- layer, ON voltage is reduced.