Invention Grant
- Patent Title: Power field-effect transistor (FET), pre-driver, controller, and sense resistor integration for multi-phase power applications
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Application No.: US14965697Application Date: 2015-12-10
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Publication No.: US09870984B2Publication Date: 2018-01-16
- Inventor: Indumini Ranmuthu
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Gregory J. Albin; Charles A. Brill; Frank D. Cimino
- Main IPC: H01L23/495
- IPC: H01L23/495 ; H01L27/088 ; H01L25/065 ; H01L23/00

Abstract:
Techniques are described for integrating power field-effect transistors (FETs), pre-drivers, controllers, and/or resistors into a common multi-chip package for implementing multi-phase bridge circuits. The techniques may provide a multi-chip package with at least two high-side (HS) FETs and at least two low-side (LS) FETs, and place the at least two HS FETs or the at least LS FETs on a common die. Placing at least two FETs on a common die may reduce the number of die and the number of thermal pads (i.e., die pads) needed to implement a set of power FETs, thereby decreasing component count of a multi-phase bridge circuit and/or allowing a more compact, higher current density multi-phase bridge circuit to be obtained without significantly increasing thermal power dissipation of the circuit.
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