US20190140444A1 - Overvoltage Protection and Linear Regulator Device Module - Google Patents

Overvoltage Protection and Linear Regulator Device Module Download PDF

Info

Publication number
US20190140444A1
US20190140444A1 US16/093,951 US201616093951A US2019140444A1 US 20190140444 A1 US20190140444 A1 US 20190140444A1 US 201616093951 A US201616093951 A US 201616093951A US 2019140444 A1 US2019140444 A1 US 2019140444A1
Authority
US
United States
Prior art keywords
tvs
linear regulator
clamping voltage
regulator module
device array
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US16/093,951
Other languages
English (en)
Inventor
Teddy C.T TO
Wei hua Tian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Littelfuse Semiconductor (Wuxi) Co Ltd
Original Assignee
Littelfuse Semiconductor (Wuxi) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Littelfuse Semiconductor (Wuxi) Co Ltd filed Critical Littelfuse Semiconductor (Wuxi) Co Ltd
Assigned to LITTELFUSE SEMICONDUCTOR (WUXI) CO., LTD. reassignment LITTELFUSE SEMICONDUCTOR (WUXI) CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TIAN, Weihua, TO, TEDDY C.T.
Publication of US20190140444A1 publication Critical patent/US20190140444A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/618—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series and in parallel with the load as final control devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
    • H01L29/861—Diodes
    • H01L29/866—Zener diodes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps

Definitions

  • Embodiments relate to the field of semiconductor devices, and more particularly to overvoltage protection devices and linear regulators.
  • Over-voltage protection devices are used to protect electronic circuits and components from damage due to over-voltage fault conditions.
  • Linear regulators constitute a class of device used to maintain a steady output voltage and protect against overvoltage conditions. Linear regulators may be used for protection applications in many different contexts, including automotive, aircraft, and military vehicle applications, to name a few. Different technologies may set different standards for operation, where the different standards may vary widely depending on the power or voltage to be dissipated to a safe level.
  • an apparatus may include a transient voltage suppression (TVS) device array coupled to a first input terminal and a second input terminal; and a linear regulator module having a pair of inputs connected to a respective pair of outputs of the TVS device array, wherein the TVS device array includes at least one TVS diode is connected between a first output and second output of the pair of outputs to generate a first clamping voltage signal, and wherein the linear regulator module is configured to generate a second clamping voltage signal having a second clamping voltage independent of a first clamping voltage of the first clamping voltage signal received from the TVS device array.
  • TVS transient voltage suppression
  • a method of a method of providing overvoltage protection may include receiving a voltage pulse in a transient voltage suppression (TVS) device array coupled to a first input terminal and a second input terminal, wherein the TVS device array includes at least one TVS diode is connected between the first input terminal and second input terminal; outputting a first clamping voltage signal from the TVS device array; receiving the first clamping voltage signal at a linear regulator module having a pair of inputs connected to a respective pair of outputs of the TVS device array; and outputting a second clamping voltage signal from the linear regulator, the second clamping voltage signal having a second clamping voltage less than a first clamping voltage of the first clamped voltage signal.
  • TVS transient voltage suppression
  • FIG. 1 presents a schematic of an apparatus according to embodiments of the disclosure
  • FIG. 2A presents a schematic of another apparatus according to embodiments of the disclosure.
  • FIG. 2B presents a schematic of a charge pump of the apparatus of FIG. 2A ;
  • FIG. 3 presents a schematic of another apparatus according to embodiments of the disclosure.
  • FIG. 4 presents a schematic of another apparatus according to embodiments of the disclosure.
  • FIG. 5 presents a schematic of another apparatus according to embodiments of the disclosure.
  • FIG. 6 presents a schematic of another apparatus according to embodiments of the disclosure.
  • FIG. 7 presents a schematic of another apparatus according to embodiments of the disclosure.
  • the terms “on,” “overlying,” “disposed on” and “over” may be used in the following description and claims. “On,” “overlying,” “disposed on” and “over” may be used to indicate that two or more elements are in direct physical contact with one another. Also, the term “on,”, “overlying,” “disposed on,” and over, may mean that two or more elements are not in direct contact with one another. For example, “over” may mean that one element is above another element while not contacting one another and may have another element or elements in between the two elements.
  • a hybrid apparatus including a linear regulator and a transient voltage suppression (TVS) device array. These components together provide protection against events such as DC power line overvoltage events and inrush current, including events taking place on a millisecond (ms) time scale.
  • ms millisecond
  • a hybrid apparatus is provided that affords protection for automotive, aircraft, and military vehicle applications, where protection requirements for DC power systems may vary in order to provide proper protection for electronics equipment.
  • the hybrid apparatus of the present embodiments may especially provide this overvoltage protection while maintaining efficient operation for a given system.
  • a hybrid apparatus may be incorporated in or disposed on a carrier or a board, such as a circuit board as known in the art.
  • the apparatus may include a TVS device array having a two dimensional array of conductive nodes to accommodate TVS diodes mutually arranged among one another in electrical series and in electrical parallel fashion.
  • the array of TVS diodes may be adjusted for different surge requirements, where a single TVS diode is employed or a set of TVS diodes in series together with a parallel configuration of TVS diodes, depending on the surge test requirement.
  • the TVS diode array may be mounted on a circuit board in a through-hole configuration or alternatively may be arranged as a plurality of surface mounted devices.
  • FIG. 1 presents a schematic of an apparatus 100 according to embodiments of the disclosure.
  • the apparatus 100 may provide overvoltage protection for a variety of applications where the type of overvoltage condition or surge may vary substantially.
  • the apparatus 100 may be employed to satisfy the needs to help clamp down overvoltage to a low or safe level as required by different Standards.
  • the apparatus 100 may include a TVS device array 102 coupled to a first input terminal 110 and a second input terminal 112 .
  • the apparatus 100 may clamp the voltage to provide an output voltage clamped to an acceptable level during the overvoltage condition. This clamping may protect a given component electrically connected to output terminals of the apparatus 100 .
  • the apparatus 100 may further include a linear regulator module 104 having a pair of inputs connected to a respective pair of outputs of the TVS device array 102 , where the architecture of the linear regulator module 104 and variants of the linear regulator module 104 are described below.
  • the TVS device array 102 may generate a first clamping voltage signal, where this signal is transmitted to the linear regulator module 104 , while the linear regulator module generates a second clamping voltage signal, wherein the second clamping voltage signal is independent of the first clamping.
  • the TVS device array 102 may clamp the voltage to a first clamping voltage, while the linear regulator generates as second clamping voltage that is less than the first clamping voltage.
  • the apparatus 100 may be particularly effective to regulate overvoltage events and inrush current on a direct current (DC) power line where the duration of the event is on the order of milliseconds.
  • DC direct current
  • FIG. 2A presents a schematic of another apparatus, shown as apparatus 200 , according to some embodiments of the disclosure.
  • the apparatus 200 may include the TVS device array 102 as described above, as well as linear regulator module 210 coupled to the output of the TVS device array 102 .
  • the TVS device array may contain a five by five matrix of TVS device positions or conductive nodes 203 , as shown.
  • the linear regulator module 210 includes a charge pump 20 output DC voltage filter 208 coupled to an output of the linear regulator module 210 .
  • the TVS diode 206 may be configured to set a maximum clamping voltage for the linear regulator module 210 according to a specific design.
  • the linear regulator module 104 further includes a metal oxide field effect transistor, MOSFET 202 , where the MOSFET 202 is coupled to an output of the TVS device array 102 .
  • the MOSFET 202 may be interoperative with the TVS diode 206 to output the second clamping voltage signal at a voltage of 50 V or less.
  • the TVS device array 102 when populated with devices, may include diodes such as Zener diodes having a clamping voltage setting the clamping voltage for the TVS device array.
  • the TVS diode 206 may be a Zener diode in some embodiments, and in particular, the breakdown voltage of the TVS diode 206 may be 40 V or less in some embodiments.
  • the TVS device array 102 may be arranged as a two dimensional array, where the array represents a set of electrically interconnected pads or conductive nodes 203 , where different configurations of TVS diodes may be connected to desired nodes to provide the appropriate overvoltage protection.
  • the TVS device array 102 may represent a two dimensional circuit pattern configurable with at least one TVS diode placed at a given position (electrical node) in the pattern, to form an array of one or more electrically connected TVS diodes.
  • a first set of TVS diodes (a given column of TVS diodes) in the TVS device array 102 is connected in electrical series between the first input terminal 110 and second input terminal 112 , wherein at least one additional set of TVS diodes (another column of TVS diodes) is connected in electrical series between the first input terminal 110 and second input terminal 112 .
  • the individual columns of TVS diodes may be arranged wherein the first set of TVS diodes is arranged in electrical parallel fashion to the at least one additional set of TVS diodes.
  • this arrangement provides flexibility for addressing overvoltage surges for a variety of applications, where the number of TVS devices and the configuration of TVS devices in a TVS device array may be selectable according to the application in order to clamp an overvoltage event to an acceptable level before being received by an input terminal of a linear regulator.
  • the breakdown voltage of the TVS diode 206 may be tailored according to the application.
  • the use of a TVS device array to clamp voltage provided to the linear regulator module 210 reduces the power dissipated by a MOSFET in an overvoltage event, and accordingly increases the upper limit of power handled by the apparatus 200 , as detailed below.
  • FIG. 2B presents a schematic of a charge pump 204 of the apparatus 200 of FIG. 2A .
  • the charge pump 204 may be designed as a 12V charge pump, while the embodiments are not limited in this context.
  • the charge pump 204 is built based on a known IC 555 , and acts as a MOSFET driver to help drop out the input voltage to a lower output voltage. While this embodiment involves a linear DC regulator built using a charge pump and MOSFET, in other embodiments other type of DC/DC linear regulators may be used in conjunction with a TVS device array.
  • FIG. 3 presents a schematic of another apparatus, shown as apparatus 300 , according to embodiments of the disclosure.
  • the apparatus 300 may be a variant of the apparatus 200 , where a particular set of TVS diodes of the different positions of the TVS device array 102 is selected for use.
  • FIG. 3 also presents an operation scenario where an overvoltage event represented by a 202V, 350 ms waveform takes place.
  • the apparatus 300 may be designed for use in a 24V 150 W auto system, for example.
  • the input voltage waveform 304 before an overvoltage event, the voltage between first input terminal 110 and second input terminal 112 is 24V as designed for the auto system.
  • the TVS device array is populated with a device group 302 configured to process the overvoltage event.
  • the device group 302 represents a column of TVS devices arranged in electrical series, where the effective clamping voltage of the TVS device array may be a sum of the clamping voltages of the individual TVS devices of the device group 302 .
  • all the TVS diodes may be the same, and a clamping voltage of approximately 17 V may apply to a given TVS device.
  • the device group 302 being arranged in electrical series using five TVS devices, may exhibit a clamping voltage of approximately 85 V.
  • This behavior is exhibited by the waveform 306 , where the waveform 306 represents the voltage output by the TVS device array 102 in response to the input voltage waveform 304 .
  • a maximum voltage of 85V is output as a transient corresponding to the duration where the input voltage waveform 304 exceeds 85V.
  • the linear regulator module 310 is configured to output a waveform 308 in response to the overvoltage event generating the input voltage waveform 304 .
  • the TVS diode 206 may be configured to generate a clamping voltage of 36V, so the maximum voltage output by the linear regulator 310 is 36V, lasting for the duration where the waveform 306 exceeds 36V, as shown. Accordingly, in this example, a 24V 150 W auto system may be protected against a 202 V 350 ms overvoltage event, where the apparatus 300 outputs a 36 V for just a short duration.
  • FIG. 4 presents a schematic of another apparatus, shown as apparatus 400 , according to other embodiments of the disclosure.
  • the apparatus 400 may be a variant of the apparatus 200 , where a particular set of TVS diodes of the different positions of the TVS device array 102 is selected for use.
  • FIG. 4 also presents an operation scenario where an overvoltage event represented by a 101 v, 400 mS waveform takes place.
  • the apparatus 400 may be designed for use in a 12 V 100 W Auto system, for example.
  • the input voltage waveform 404 before an overvoltage event, the voltage between first input terminal 110 and second input terminal 112 is 12V as designed for the auto system.
  • the TVS device array is populated with a device group 402 configured to process the overvoltage event.
  • the device group 402 represents a portion of a column of three TVS devices arranged in electrical series, where the effective clamping voltage of the TVS device array may be a sum of the clamping voltages of the individual TVS devices of the device group 402 .
  • all the TVS diodes may be the same, and a clamping voltage of approximately 17 V may apply to a given TVS device.
  • the device group 402 being arranged in electrical series using three TVS devices, may exhibit a clamping voltage of approximately 50 V.
  • This behavior is exhibited by the waveform 406 , where the waveform 406 represents the voltage output by the TVS device array 102 in response to the input voltage waveform 404 .
  • a maximum voltage of 50 V is output as a transient corresponding to the duration where the input voltage waveform 404 exceeds 50V.
  • the linear regulator module 410 module is configured to output a waveform 408 in response to the overvoltage event generating the input voltage waveform 404 .
  • the TVS diode 206 may be configured to generate a clamping voltage of 30V, so the maximum voltage output by the linear regulator module 410 is 30V, lasting for the duration where the waveform 406 exceeds 24V, as shown. Accordingly, in this example, a 12V 100 W auto system may be protected against a 101 V 400 ms overvoltage event, where the apparatus 400 outputs a 30 V for just a short duration.
  • FIG. 5 presents a schematic of another apparatus, shown as apparatus 500 , according to other embodiments of the disclosure.
  • the apparatus 500 may be a variant of the apparatus 200 , where a particular set of TVS diodes of the different positions of the TVS device array 102 is selected for use.
  • FIG. 5 also presents an operation scenario where an overvoltage event represented by a 100 V, 50 ms waveform takes place.
  • the apparatus 500 may be designed for use in a 28 V 600 W Military system, for example.
  • the apparatus 500 may be designed to protect against overvoltage pulses, such as a series of five pulses occurring at one second intervals.
  • the voltage between first input terminal 110 and second input terminal 112 is 28V as designed for the military system.
  • a peak voltage of 100 V is experienced between the first input terminal 110 and second input terminal 112 .
  • This voltage propagates through the TVS device array 102 .
  • the TVS device array is populated with a device group 502 configured to process the overvoltage event.
  • the device group 502 represents a two by three array of TVS devices as shown, where two columns of devices are arranged electrically in parallel to one another, where a given column includes three TVS devices arranged in electrical series.
  • the effective clamping voltage of the TVS device array may be a sum of the clamping voltages of the individual TVS devices within a given column of the device group 502 .
  • all the TVS diodes may be the same, and a clamping voltage of approximately 17 V may apply to a given TVS device.
  • the device group 502 having a given column where three TVS devices are arranged in electrical series, may exhibit a clamping voltage of approximately 50 V.
  • This behavior is exhibited by the waveform 506 , where the waveform 506 represents the voltage output by the TVS device array 102 in response to the input voltage waveform 504 .
  • a maximum voltage of 50 V is output as a transient corresponding to the duration where the input voltage waveform 504 exceeds 50V.
  • the linear regulator module 510 is configured to output a waveform 508 in response to the overvoltage event generating the input voltage waveform 504 .
  • the TVS diode 206 may be configured to generate a clamping voltage of 36V, so the maximum voltage output by the linear regulator module 510 is 36V, lasting for the duration where the waveform 506 exceeds 36V, as shown.
  • a 28V 600 W military system may be protected against a 100 V 50 ms overvoltage event (e.g., 5 pulses in 5 seconds, where each pulse energy is less than 60 Joules), or series of overvoltage events, where the apparatus 500 outputs a 36 V signal for just a short duration.
  • FIG. 6 presents a schematic of another apparatus, shown as apparatus 600 , according to other embodiments of the disclosure.
  • the apparatus 600 may be a variant of the apparatus 200 , where a particular set of TVS diodes of the different positions of the TVS device array 102 is selected for use.
  • FIG. 6 also presents an operation scenario where an overvoltage event represented by a 600 V, 10 ⁇ s waveform takes place.
  • the apparatus 600 may be designed for use in a 28 V 100 W aircraft system, for example.
  • the input voltage waveform 604 before an overvoltage event, the voltage between first input terminal 110 and second input terminal 112 is 28 V as designed for the aircraft system.
  • the TVS device array is populated with a device group 602 configured to process the overvoltage event.
  • the device group 602 represents a portion of a column of three TVS devices arranged in electrical series, where the effective clamping voltage of the TVS device array may be a sum of the clamping voltages of the individual TVS devices of the device group 602 .
  • all the TVS diodes may be the same, and a clamping voltage of approximately 33 V may apply to a given TVS device.
  • the device group 602 being arranged in electrical series using three TVS devices, may exhibit a clamping voltage of approximately 100 V.
  • This behavior is exhibited by the waveform 606 , where the waveform 606 represents the voltage output by the TVS device array 102 in response to the input voltage waveform 604 .
  • a maximum voltage of 100 V is output for a very short time corresponding to the duration where the input voltage waveform 504 exceeds 100V.
  • the linear regulator module 610 is configured to output a waveform 608 in response to the overvoltage event generating the input voltage waveform 604 .
  • the TVS diode 206 may be configured to generate a clamping voltage of 36V, so the maximum voltage output by the linear regulator module 610 is 36V, lasting for the duration where the waveform 606 exceeds 36V, as shown. Accordingly, in this example, a 28V 100 W aircraft system may be protected against a 600 V 10 ⁇ s overvoltage event, where the apparatus 500 outputs a 36 V for just a short duration.
  • FIG. 7 presents a schematic of another apparatus, shown as apparatus 700 , according to other embodiments of the disclosure.
  • the apparatus 700 may include a TVS device array 102 , as discussed in the aforementioned embodiments, where any particular set of TVS diodes of the different positions of the TVS device array 102 may be populated onto the TVS device array 102 as discussed above.
  • the apparatus 700 may differ from the aforementioned embodiments in that two different linear regulators are arranged in electrical series with the TVS device array 102 and are arranged in electrical series with one another. As shown in FIG. 7 , a first linear regulator 710 coupled directly to the output of the TVS device array 102 may be connected on an output side to a second linear regulator 712 .
  • the first linear regulator 710 may be arranged in the event of an overvoltage event to output a clamping voltage of 58 V to the second linear regulator 712 .
  • the second linear regulator 712 in turn may be arranged to output a clamping voltage of 38 Vm for example.
  • the embodiments are not limited in this context. This multiple linear regulator topology provides greater flexibility in handling high voltage overvoltage events, including higher current, for example.
  • the MOSFET 202 may be embodied as an IRFP4568.
  • an initial input transient over voltage may be 100V 50 ms, while a thermal resistance of the MOSFET Rth(j-c) is 0.29 C/W, and the clamping voltage for the linear regulator 104 module is 40V.
  • a target upper junction temperature may be 150° C.
  • the power handling capability may be doubled with respect to an apparatus having just one linear regulator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Emergency Protection Circuit Devices (AREA)
US16/093,951 2016-04-15 2016-04-15 Overvoltage Protection and Linear Regulator Device Module Abandoned US20190140444A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/079354 WO2017177429A1 (en) 2016-04-15 2016-04-15 Overvoltage protection and linear regulator device module

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/079354 A-371-Of-International WO2017177429A1 (en) 2016-04-15 2016-04-15 Overvoltage protection and linear regulator device module

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/728,589 Continuation US10998719B2 (en) 2016-04-15 2019-12-27 Overvoltage protection and linear regulator device module

Publications (1)

Publication Number Publication Date
US20190140444A1 true US20190140444A1 (en) 2019-05-09

Family

ID=60041376

Family Applications (2)

Application Number Title Priority Date Filing Date
US16/093,951 Abandoned US20190140444A1 (en) 2016-04-15 2016-04-15 Overvoltage Protection and Linear Regulator Device Module
US16/728,589 Active US10998719B2 (en) 2016-04-15 2019-12-27 Overvoltage protection and linear regulator device module

Family Applications After (1)

Application Number Title Priority Date Filing Date
US16/728,589 Active US10998719B2 (en) 2016-04-15 2019-12-27 Overvoltage protection and linear regulator device module

Country Status (6)

Country Link
US (2) US20190140444A1 (de)
KR (1) KR102518650B1 (de)
CN (1) CN109643892B (de)
DE (1) DE112016006736T5 (de)
TW (1) TWI743099B (de)
WO (1) WO2017177429A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10910501B2 (en) * 2018-09-05 2021-02-02 Monolith Semiconductor, Inc. Stucture and method for SIC based protection device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2582577B (en) * 2019-03-25 2022-03-23 Ge Aviat Systems Ltd Method and apparatus for operating a power distribution system
DE102019111378A1 (de) * 2019-05-02 2020-11-05 Dehn Se + Co Kg Asymmetrische Überspannungsschutzvorrichtung, Gleichstromschaltungsanordnung sowie Gleichstromnetz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601632A (en) * 1969-10-06 1971-08-24 Us Navy Means for increasing the reliability of electronic circuits incorporating zener diodes
CN200969512Y (zh) * 2006-11-15 2007-10-31 西安华科光电有限公司 直流浪涌抑制器
CN201726130U (zh) * 2010-07-27 2011-01-26 长城信息产业股份有限公司 一种直流抗浪涌电路
CN105068636A (zh) * 2015-08-25 2015-11-18 山东超越数控电子有限公司 一种应用于加固计算机中的防冲击浪涌电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003682A1 (de) * 2005-01-26 2006-08-24 Siemens Ag Schutzschaltung in einem Stromversorgungseingang einer elektrischen Einrichtung und Verwendung einer Schutzschaltung
US7538997B2 (en) * 2006-05-31 2009-05-26 Alpha & Omega Semiconductor, Ltd. Circuit configurations to reduce snapback of a transient voltage suppressor
TWM305497U (en) * 2006-08-08 2007-01-21 Chao Long Technology Corp Over-voltage circuit breaker
US7558036B2 (en) * 2006-08-23 2009-07-07 Hamilton Sundstrand Corporation High speed lightning regulator circuit with self test attributes
DE102011121975A1 (de) * 2010-12-30 2012-07-05 Secop Gmbh System und Verfahren zum Schutz einer energieverbrauchenden Schaltung
US8755161B2 (en) * 2012-06-28 2014-06-17 Trimble Navigation Limited Overvoltage protection circuit with self biased latch
CN202712837U (zh) * 2012-07-16 2013-01-30 洛阳隆盛科技有限责任公司 一种输入直流抗尖峰及过压浪涌电路
CN203398780U (zh) * 2013-07-31 2014-01-15 山东超越数控电子有限公司 一种车载防浪涌电压保护装置
CN104917368A (zh) * 2014-03-14 2015-09-16 西南科技大学 时间可调电容充电放电控制装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601632A (en) * 1969-10-06 1971-08-24 Us Navy Means for increasing the reliability of electronic circuits incorporating zener diodes
CN200969512Y (zh) * 2006-11-15 2007-10-31 西安华科光电有限公司 直流浪涌抑制器
CN201726130U (zh) * 2010-07-27 2011-01-26 长城信息产业股份有限公司 一种直流抗浪涌电路
CN105068636A (zh) * 2015-08-25 2015-11-18 山东超越数控电子有限公司 一种应用于加固计算机中的防冲击浪涌电路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10910501B2 (en) * 2018-09-05 2021-02-02 Monolith Semiconductor, Inc. Stucture and method for SIC based protection device

Also Published As

Publication number Publication date
WO2017177429A1 (en) 2017-10-19
KR102518650B1 (ko) 2023-04-06
TW201810853A (zh) 2018-03-16
US10998719B2 (en) 2021-05-04
CN109643892B (zh) 2021-07-30
DE112016006736T5 (de) 2019-01-03
US20200136379A1 (en) 2020-04-30
CN109643892A (zh) 2019-04-16
KR20190018416A (ko) 2019-02-22
TWI743099B (zh) 2021-10-21

Similar Documents

Publication Publication Date Title
US10998719B2 (en) Overvoltage protection and linear regulator device module
US10367350B2 (en) Central combined active ESD clamp
EP4071812B1 (de) Schutzschaltung mit einer fet-vorrichtung, die von einem geschützten bus mit der masse gekoppelt ist
EP3203251A2 (de) Gemeinsamer ableiter zum schutz von mehreren lastleitungen eines halbleiterleistungsreglers vor transienten überspannungen mit einer prüfschaltung
US20220247306A1 (en) Short-circuit protection systems and methods for flying capacitor based buck-boost converters
EP3514907B1 (de) Überspannungsschutzvorrichtung und mehrstufige überspannungsschutzvorrichtung
US20170222432A1 (en) Electronic control device
US10050436B2 (en) Protection device for an electrical power system
EP1650845A2 (de) Vorrichtung zum Schutz vor Überspannungen in Folge eines Lastabwurfs
US9793257B1 (en) Electrostatic discharge protection device having an adjustable triggering threshold
US10090672B2 (en) Shared transient voltage suppressor having built-in-test capability for solid state power controllers
US7492561B2 (en) Protective circuit
US20030090919A1 (en) Device for protecting loads supplied by an alternator
US20220038089A1 (en) Method and Switching Circuit for Connecting and Disconnecting Current to a Load Having Inductance
US12132471B2 (en) Lightning protection for power MOSFETs
US20240056069A1 (en) Lightning protection for power mosfets
US20240340002A1 (en) Aircraft solid state power controller, aircraft power supply system, and method of switching an aircraft solid state power controller
JP2024504799A (ja) 過電圧保護回路
US20170070046A1 (en) Capacitor based lightning clamp
O’Shea et al. Overvoltage Protection Devices for the Automotive Power Network

Legal Events

Date Code Title Description
AS Assignment

Owner name: LITTELFUSE SEMICONDUCTOR (WUXI) CO., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TO, TEDDY C.T.;TIAN, WEIHUA;REEL/FRAME:048046/0374

Effective date: 20190116

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION