MULTI-CHIP MODULE FOR BATTERY POWER CONTROL
First Claim
1. A multi-chip module comprising:
- at least one integrated circuit (IC) chip;
at least one power device chip;
a metal leadframe structure including leads, at least two independent die mounting pads electrically isolated from one another, the at least two independent die mounting pads including a first pad for mounting at least one IC chip and a second pad for mounting at least one power device chip; and
bonding wires having more than one diameter connecting the at least one IC chip and the at least one power device chip to the leads.
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Accused Products
Abstract
A multi-chip module suitable for use in a battery protection circuit. The multi-chip module includes an integrated circuit chip, a first power transistor, a second power transistor, a first connection structure electrically coupling the integrated circuit chip to the first power transistor, a second connection structure electrically coupling the integrated circuit chip to the second power transistor, and a leadframe structure comprising a first lead, a second lead, a third lead and a fourth lead, wherein the integrated circuit chip, the first power transistor, and the second power transistor are mounted on the leadframe structure. A molding material covers at least part of the integrated circuit chip, the first power transistor, the second power transistor, the first connection structure, and the second connection structure.
87 Citations
20 Claims
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1. A multi-chip module comprising:
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at least one integrated circuit (IC) chip; at least one power device chip; a metal leadframe structure including leads, at least two independent die mounting pads electrically isolated from one another, the at least two independent die mounting pads including a first pad for mounting at least one IC chip and a second pad for mounting at least one power device chip; and bonding wires having more than one diameter connecting the at least one IC chip and the at least one power device chip to the leads. - View Dependent Claims (2, 3, 4, 5)
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6. A battery protection multi-chip module comprising:
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an integrated circuit chip; a power device chip housed in a single housing for regulating the charging and discharging of a battery external to the multi-chip module, the integrated circuit chip and the at least one power device chip forming at least part of a circuit; and wherein required external connections to the circuit are limited to four leads.
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7. A multi-chip module comprising:
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an integrated circuit chip; a first power transistor; a second power transistor; a first connection structure electrically coupling the integrated circuit chip to the first power transistor; a second connection structure electrically coupling the integrated circuit chip to the second power transistor; a leadframe structure comprising a first lead, a second lead, a third lead and a fourth lead, wherein the integrated circuit chip, the first power transistor, and the second power transistor are mounted on the leadframe structure; and a molding material covering at least part of the integrated circuit chip, the first power transistor, the second power transistor, the first connection structure, and the second connection structure, wherein the first lead provides an electrical connection to the first power transistor and the second lead provides an electrical connection to the second power transistor, and wherein the first and second leads are at a first end of the multi-chip module, and the third and fourth leads are at a second end of the multi-chip module. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A method comprising:
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obtaining a leadframe structure comprising a first lead, a second lead, a third lead and a fourth lead; mounting an integrated circuit chip to the leadframe structure; mounting at least one semiconductor chip comprising a first power transistor and a second power transistor on the leadframe structure; attaching a first connection structure to the integrated circuit chip and to the first power transistor; attaching a second connection structure to the integrated circuit chip and to the second power transistor; and molding a material around at least part of the integrated circuit chip, the first power transistor, the second power transistor, the first connection structure, and the second connection structure, thereby forming a multichip module, wherein the first lead provides an electrical connection to the first power transistor and the second lead provides an electrical connection to the second power transistor, and wherein the first and second leads are at a first end of the multi-chip module, and the third and fourth leads are at a second end of the multi-chip module. - View Dependent Claims (17, 18)
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19. A method comprising:
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obtaining a metal leadframe structure including leads, at least two independent die mounting pads electrically isolated from one another, the at least two independent die mounting pads including a first pad for mounting at least one IC chip and a second pad for mounting at least one power device chip; mounting the at least one IC chip to the first pad; mounting the at least one power device chip to the second pad; and attaching bonding wires having more than one diameter to the at least one IC chip and the at least one power device chip to the leads. - View Dependent Claims (20)
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Specification