Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent
1990-09-04
1991-07-16
Ro, Bentsu
Electricity: motive power systems
Motor-reversing
Armature or primary circuit control
318256, 318280, 318287, 318291, H02P 122
Patent
active
050327747
ABSTRACT:
An improved current sensing circuit is provided in, or for use with, a power delivery circuit having a current controlling device of the type which includes auxiliary current sensing terminals. The current sensing circuit is particularly useful in conjunction with a respective current sensing power MOSFET located in the "high side" of a switching circuit, such as an H-bridge switch for a bidirectional load. The current sensing circuit has two branches connected to the current sensing MOSFET and to a reference potential and constructed to provide an output voltage signal representative of the main current through the current sensing MOSFET. The first branch includes at least two transistors and a resistor serially connected between a current sense terminal of the MOSFET and a reference potential. The second branch also includes at least two serially connected transistors connected between a terminal of the MOSFET and the reference potential. The transistors are cross-connected between branches and provide an inverted current mirror and a current mirror. Fifth and sixth transistors may also be included as part of the current sensing circuit.
REFERENCES:
patent: 4494181 (1985-01-01), Ramlohr
patent: 4528496 (1985-07-01), Naokawa et al.
patent: 4562386 (1985-12-01), Goff
patent: 4575662 (1986-03-01), Lehnhoff
patent: 4616305 (1986-10-01), Damiano et al.
patent: 4654568 (1987-03-01), Mansmann
patent: 4667121 (1987-05-19), Fay et al.
patent: 4705997 (1987-11-01), Juzswik
patent: 4710685 (1987-12-01), Lehnhoff et al.
patent: 4710686 (1987-12-01), Guzik
patent: 4719396 (1988-01-01), Shimizu
patent: 4769619 (1988-09-01), Taylor
Integrated Circuit Engineering, Design, Fabrication and Applications, Glaser and Subak-Sharpe, pp. 503-515.
Bipolar and MOS Analog Integrated Circuit Design, A. B. Grebene, pp. 169-187.
Analysis and Design of Integrated Electronic Circuits, Paul M. Chirlian, pp. 132-134.
VLSI Handbook, Joseph Di Giacomo, pp. 29.14-29.15.
Electronic Devices and Circuits, Third Edition, D. A. Bell, pp. 398-399, 531, 537-538.
Integrated Circuits and Semiconductor Devices: Theory and Application, Second Edition, Deboo and Burrous, pp. 23, 91-92.
Modern MOS Technology: Process, Devices, and Design, DeWitt G. Ong, pp. 230-231.
Microelectronics, Second Edition, Millman and Grabel, pp. 123-402.
Electronic Devices and Circuit Theory, Third Edition, Boylestad and Nashelsky, pp. 507-509.
Electronic Integrated Systems Design, Hans R. Camenzind, Microelectronics Series, pp. 236-244.
Electronic Circuits Digital and Analog, Charles A. Holt, p. 483.
Nathan Zommer & Joseph Biran, IXYS Corporation, "Power Current Mirror Devices and their Applications", Sep. 1986, PCIM, pp. 14, 18 and 20.
IXYS/Samsung Joint Venture: Automotive Hi-Side Driver: file: Hi-Drv.SPC, 11/25/87, p. 1.
Motorola Semiconductor Technical Data, "Product Review, SMARTpower High Side Logic-to-Power Switch", Motorola Inc., 1986, p. NP198.
The Art of Electronics-Second Edition, Paul Horowitz and Winfield Hill-pp. 88-91-Cambridge University Press-1989.
"Microelectronic Circuits"-Adel S. Sedra and Kenneth C. Smith-pp. 433-436-Holt, Rinehart and Winston.
IEEE Power Electronics Specialists Conference, (PESC) '88 Record, vol. 2, Apr. 11, 1988, Kyoto JP, pp. 1319-1324; Jeffrey G. Mansmann et al.: "ASIC like HVIC for Interfacing to Half-Bridge Based Power Circuits".
Electro/86 and Mini/Micro Northeast Conference Record, vol. 11, 1986, Los Angeles U.S., pp. 1-4; Donald L. Zaremba Jr.: "How Current Sense Technology Improves Power MOSFET Switching Application", p. 3, Left-Hand Column, Paragraph 1-p. 4, Left-Hand Column, Last Paragraph; FIGS. 7a-9b.
Electro/87 and Mini/Micro Northeast Conference Record, vol. 12, 1987, Los Angeles U.S., pp. 1-8; Artusi et al.: "New Smartpower Devices Ease the Interfacing to Powr Loads", p. 1, Left-Hand Column, Paragraph 2-p. 4, Left-Hand Column, Paragraph 3; FIGS. 1, 3, 6.
Ro Bentsu
United Technologies Automotive Inc.
LandOfFree
Current sensing circuit for use with a current controlling devic does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Current sensing circuit for use with a current controlling devic, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Current sensing circuit for use with a current controlling devic will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-133388