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                      | HITACHI HOME | UP | SEARCH | HITACHI
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                      February 15, 2000
                      Hitachi Releases P-Channel Power MOS FETs with 50% Lower On-Resistance than Previous Hitachi Models, for Power Control in Notebook PCs, etc.
                      -Industry's lowest on-resistance of 5.5m ohm in small SOP-8 surface-mount package, for smaller, energy-saving systems-
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                                          ΢ּ

                                          Hitachi, Ltd. (TSE: 6501) today announced the HAT1048R, HAT1051T, and HAT1054R 
                                          P-channel power MOS FETs, featuring an on-resistance only half that of previous Hitachi 
                                          models, for use as power management switches and overcharge/discharge protection 
                                          circuit switches in notebook PCs and similar portable information products.  Sample 
                                          shipments of HAT1048R/HAT1054R and HAT1051T will begin on February 28 and 
                                          March 31 2000 in Japan.
                                          
                                          These products allow a single chip to be used in systems that previously required two 
                                          chips in parallel, making it possible to create smaller systems with fewer parts.  Of the 
                                          three new models, the HAT1048R achieves a low on-resistance of 5.5m ohm (typ.) at a -30 
                                          V breakdown voltage-the industry's highest performance for an SOP-8 (Hitachi package 
                                          code) small surface-mount package-enabling systems to be made smaller while offering 
                                          energy-saving features.
                                          
                                          Portable information products such as notebook PCs are equipped with power 
                                          management or similar functions to provide longer operation on battery power, and P-
                                          channel power MOS FETs, which allow the drive circuitry to be simplified, are used as 
                                          power control switches for this purpose.  At the same time, the increasing power 
                                          consumption of MPUs in recent years has brought a demand for a  much lower on-
                                          resistance of these power MOS FETs.
                                          
                                          In the new HAT1048R, HAT1051T, and HAT1054R, a cell density 2.5 times that of 
                                          previous products has been achieved through the use of a 0.5um process, and cell 
                                          structure optimization has been implemented to achieve a lower on-resistance 
                                          characteristic, resulting in a 50% lower on-resistance per unit chip area than previous 
                                          Hitachi products.
                                          
                                          The HAT1048R has -30 V breakdown voltage, 4.5 V drive capability, and offers a low 
                                          on-resistance of 5.5m ohm (typ., at 10 V drive), the industry's highest performance for an 
                                          SOP-8.  The HAT1051T has -30 V breakdown voltage, 4.5 V drive capability, employs a 
                                          TSSOP-8 (Hitachi package code) thin type package, and offers an on-resistance of 12m
                                           ohm (typ., at 10 V drive).  The HAT1054R, which comes in the form of two devices 
                                          mounted in an SOP-8 package, has -20 V breakdown voltage, 2.5 V drive capability, and 
                                          an on-resistance of 24m ohm (typ., at 4.5 V drive).
                                          
                                          Future plans include the development of various products offering different breakdown 
                                          voltages and packages, suitable for a wide range of applications including small motor 
                                          drive and automotive equipment.
                                          
                                          < Typical Applications >
                                          Power control (power management) switches for notebook PCs and similar portable 
                                          information products
                                          Smart battery protection circuits
                                          
                                          < Prices in Japan >	(For Reference)
                                          Part Number	Package		Type				Sample Price (Yen)
                                          HAT1048R	SOP-8		P-channel FET (1 device)	150		
                                          HAT1051T	TSSOP-8		P-channel FET (1 device)	110		
                                          HAT1054R	SOP-8		P-channel FET (2 devices)	110		
                                          
                                          Hitachi Releases P-Channel Power MOSFETs with 50% Lower On-Resistance

                                           

                                          < Specifications >



                                          Part Number




                                          Package




                                          Type


                                          Maximum Ratings

                                          10 V RDS (on) (m ohm)

                                          4.5 V RDS (on) (m ohm)

                                          2.5 V RDS (on) (m ohm)

                                          VDSS (V)

                                          ID (A)

                                          Pch (W)


                                          Typ


                                          Max


                                          Typ


                                          Max


                                          Typ


                                          Max

                                          HAT1048R

                                          SOP-8

                                          P-channel FET
                                          (1 device)

                                          -30

                                          -16

                                          2.5

                                          5.5

                                          7

                                          9.5

                                          13.5

                                          -

                                          -

                                          HAT1051T

                                          TSSOP-8

                                          P-channel FET
                                          (1 device)

                                          -30

                                          -9

                                          1.3

                                          12

                                          15

                                          20

                                          28

                                          -

                                          -

                                          HAT1054R

                                          SOP-8

                                          P-channel FET
                                          (2 devices)

                                          -20

                                          -6

                                          2

                                          -

                                          -

                                          24

                                          30

                                          35

                                          50

                                          RDS(on): On-resistance

                                           




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