WO2007138819A1 - 電源装置、試験装置および安定化装置 - Google Patents
電源装置、試験装置および安定化装置 Download PDFInfo
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- WO2007138819A1 WO2007138819A1 PCT/JP2007/059323 JP2007059323W WO2007138819A1 WO 2007138819 A1 WO2007138819 A1 WO 2007138819A1 JP 2007059323 W JP2007059323 W JP 2007059323W WO 2007138819 A1 WO2007138819 A1 WO 2007138819A1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/31721—Power aspects, e.g. power supplies for test circuits, power saving during test
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/30—Marginal testing, e.g. by varying supply voltage
- G01R31/3004—Current or voltage test
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31917—Stimuli generation or application of test patterns to the device under test [DUT]
Definitions
- the present invention relates to a power supply device, a test device, and a stabilization device.
- the present invention relates to a power supply apparatus, a test apparatus, and a stabilization apparatus that stably supply a power supply voltage to an electronic device.
- This application is related to the following Japanese application. For designated countries where incorporation by reference is permitted, the contents described in the following application are incorporated into this application by reference and made a part of this application.
- Patent application 2006-154076 Application date June 1, 2006
- Patent Document 1 and Patent Document 2 include a parallel load section connected in parallel to the power supply output terminal, and when the power supply current increases, the current consumption of the parallel load section is stopped to prevent a decrease in power supply voltage. A power supply is disclosed.
- Patent Document 1 Japanese Patent Laid-Open No. 2004-347421
- Patent Document 1 JP-A-2006-105620
- an object of the present invention is to provide a power supply device, a test device, and a stability device that can solve the above-described problems. This object is achieved by a combination of features described in the independent claims.
- the dependent claims define further advantageous specific examples of the present invention.
- a power supply device for supplying a power supply current to an electronic device, wherein the current output outputs an output current including the power supply current at least in part.
- the power supply device is connected between the current output unit and the ground in parallel with the electronic device and the overvoltage suppressing load unit, and at least part of the output current output by the current output unit when the load is instructed to turn on
- the voltage drop compensation load section that stops consuming the voltage drop compensation current when it is instructed to turn off the load, and the output voltage of the current output section is the low pass section
- the voltage drop output by the voltage drop compensation load section is kept on when the value below the lower reference voltage obtained by subtracting the predetermined lower offset voltage is maintained, and the output voltage becomes less than the lower reference voltage.
- a voltage drop compensation control unit that turns off the voltage drop compensation load unit may be further provided.
- the power supply device includes a power supply line connecting the output of the current output unit and the power supply terminal of the power supply device connected to the power input terminal of the electronic device, and the current output unit and the power supply terminal. And a power supply side capacitor connected between the ground and the voltage drop compensation load section and the voltage excess suppression load section between the branch point and the power supply side capacitor. When the load is instructed to turn on, the voltage drop compensation current and overvoltage suppression current may flow to ground.
- the power supply device cuts off the cutoff frequency of the low-pass unit until the output current of the current output unit becomes a new reference value. Is set to a higher frequency compared to after the output current becomes a new reference value.
- a cut-off frequency control unit may be further provided.
- the power supply device When the reference value of the output current output from the current output unit is changed, the power supply device is connected between the current output unit and the ground until the output current of the current output unit becomes a new reference value.
- a load disconnection control unit that electrically disconnects the voltage drop compensation load unit may further be provided.
- the voltage drop compensation control unit When the voltage drop compensation load unit is turned off, the voltage drop compensation control unit has a predetermined third offset smaller than the lower offset voltage from the voltage output by the low-pass unit.
- the voltage drop compensation load section may be turned off until the voltage drops to the third reference voltage or higher, and when the output voltage exceeds the third reference voltage, the voltage drop compensation load section may be turned on again.
- the voltage excess suppression control unit adds a predetermined fourth offset voltage smaller than the upper offset voltage to the voltage output from the low-pass unit when the voltage excess suppression load unit is turned on.
- the voltage excess suppression load section may be turned on until it becomes less than the fourth reference voltage, and when the output voltage becomes less than the fourth reference voltage, the voltage excess suppression load section may be turned off again.
- a test apparatus for testing an electronic device, and at least a part of the current output unit that outputs an output current including a power supply current supplied to the electronic device. And an output voltage of the current output unit is input, and a low-pass unit that passes a low-frequency component lower than a predetermined cutoff frequency is connected in parallel with the electronic device between the current output unit and the ground, When it is instructed to turn on the load, it consumes the overvoltage suppression current that is at least part of the output current output by the current output unit, and when instructed to turn off the load, it consumes the overvoltage suppression current.
- Overvoltage suppression load section A voltage excess suppression control unit that turns on the voltage excess suppression load unit when the output voltage becomes equal to or higher than the upper reference voltage, and a current measurement unit that measures the power supply current supplied to the electronic device.
- a test apparatus is provided that includes a determination unit that determines the quality of the electronic device based on the measurement result of the current measurement unit. [0013] The test apparatus is connected in parallel with the electronic device and the overvoltage suppression load section between the current output section and the ground, and at least part of the output current output by the current output section when the load is instructed to turn on.
- the voltage drop compensation load section that stops consuming the voltage drop compensation current when it is instructed to turn off the load, and the output voltage of the current output section is the low pass section
- the voltage drop output by the voltage drop compensation load section is kept on when the value below the lower reference voltage obtained by subtracting the predetermined lower offset voltage is maintained, and the output voltage becomes less than the lower reference voltage.
- a voltage drop compensation control unit that turns off the voltage drop compensation load unit may be further provided.
- the test apparatus includes a power supply line that connects between the output of the current output unit and the power input terminal of the electronic device, an electronic device between the contact between the output of the current output unit and the power input terminal, and the ground.
- a device-side capacitor connected in parallel with the device, a contact point between the device-side capacitor and the power supply line, a branch point between the outputs of the current output unit, and a power-side capacitor connected to the ground.
- the voltage drop compensation load section and the voltage excess suppression load section are connected between the wiring between the branch point and the power supply side capacitor and the ground, and when directed to turn on the load, the voltage drop compensation current and voltage Excess suppression current may flow to ground.
- the test apparatus sequentially executes the first test and the second test in which the reference values of the output currents output from the current output unit are different, the voltage is applied between the current output unit and the ground.
- a load disconnection control unit that electrically disconnects the lowering compensation load unit to change the reference value of the output current may be further provided.
- a stabilization device added to a current output device that outputs a power supply current supplied to an electronic device as an output current, the output voltage of the current output device being input,
- a low-pass section that passes a low-frequency component lower than a predetermined cutoff frequency is connected in parallel with the electronic device between the current output device and the ground, and when the load is instructed to turn on, the current output device
- a voltage excess suppression load unit that consumes at least a part of the output current to be output and stops consuming the voltage excess suppression current when instructed to turn off the load, and a current output device
- the output voltage is an upper reference voltage obtained by adding a predetermined upper offset voltage to the voltage output by the low-pass section. When the output voltage exceeds the upper reference voltage and the voltage excess suppression load is turned on, the voltage excess is exceeded.
- a stabilizing device including a suppression control unit is provided.
- the stabilization device is connected in parallel with the electronic device and the overvoltage suppression load section between the current output device and the ground, and outputs at least the output current output by the current output device when instructed to turn on the load.
- the voltage drop compensation load unit that consumes a part of the voltage drop compensation current and stops consuming the voltage drop compensation current when the load is instructed to turn off, and the output voltage of the current output device passes through the low frequency range. Voltage power output by the unit Voltage drop compensation when a value equal to or higher than the lower reference voltage obtained by subtracting the predetermined downward offset voltage is maintained. The load unit is kept on and the output voltage becomes less than the lower reference voltage.
- a voltage drop compensation control unit that turns off the voltage drop compensation load unit may be further provided.
- a stable power supply voltage can be supplied to an electronic device.
- FIG. 1 shows the configuration of a test apparatus 10 according to an embodiment of the present invention together with an electronic device 100.
- FIG. 2 shows the configuration of a power supply apparatus 16 according to an embodiment of the present invention together with an electronic device 100.
- (A) is the power supply current (I) output from the current output unit 30 and the electronic device 100
- DD An example of DD is shown. (Indicates an example of the first load current I flowing in the voltage drop compensation load section 42. (C) indicates the voltage excess suppression load section 44.
- (D) is the power input terminal of electronic device 100
- (E) is the cutoff frequency of the low-pass section 38.
- FIG.4 Switching timing of the first load control signal S when hysteresis is set for the reference voltage An example of a ring is shown.
- FIG. 6 shows an example of the configuration of the low-pass section 38 according to the embodiment of the present invention.
- FIG. 7 shows an exemplary configuration of a voltage drop compensation controller 46 according to an embodiment of the present invention.
- FIG. 8 shows an exemplary configuration of a voltage excess suppression control unit 48 according to the embodiment of the present invention.
- FIG. 9 shows a configuration of a power supply device 16 according to a modification of the embodiment of the present invention, together with the electronic device 100.
- Second resistor for filter 118 ⁇ Fourth resistor for filter, 121 ⁇ ⁇ ⁇ Comparator for negative side control, 122 ⁇ ⁇ ⁇
- For negative side control 1st resistor, 123 ... 2nd resistor for negative side control, 124 ... 3rd resistor for negative side control, 125 ... 4th resistor for negative side control, 126 ... Power supply for negative side control, 127 ⁇ Negative side control fifth resistor, 128 ⁇ Inverter circuit, ⁇
- FIG. 1 shows a configuration of a test apparatus 10 according to this embodiment together with an electronic device 100.
- the test apparatus 10 tests the electronic device 100 that is a device under test.
- the test apparatus 10 includes a pattern generation unit 12, a test signal supply unit 14, a power supply device 16, a power supply measurement unit 18, a determination unit 20, and a control unit 22.
- the pattern generator 12 generates a test pattern indicating a pattern of a test signal to be supplied to the electronic device 100.
- the test signal supply unit 14 supplies a test signal corresponding to the test pattern generated by the pattern generation unit 12 to the electronic device 100.
- the power supply device 16 supplies a power supply voltage to the power supply input terminal of the electronic device 100.
- the power measurement unit 18 measures the power supply current supplied to the power input terminal of the electronic device 100.
- the determination unit 20 determines the quality of the output signal output from the electronic device 100 according to the test signal. In response to this, the determination unit 20 determines the quality of the electronic device 100 based on the measurement result of the power supply measurement unit 18.
- the control unit 22 controls the pattern generation unit 12, the test signal supply unit 14, the power supply device 16, the power supply measurement unit 18, and the determination unit 20.
- FIG. 2 shows the configuration of the power supply device 16 according to this embodiment together with the electronic device 100.
- the power supply device 16 includes a current output unit 30, a power supply line 32, a device side capacitor 34, a power source side capacitor 36, a low-pass unit 38, a cutoff frequency control unit 40, and a voltage drop compensation load unit. 42, a voltage excess suppression load unit 44, a voltage drop compensation control unit 46, and a voltage excess suppression control unit 48.
- the test apparatus 10 includes a power supply line 32, a device-side capacitor 34, a power-side capacitor 36, a low-pass unit 38, a cut-off frequency control unit 40, a voltage on a performance board provided with the electronic device 100.
- a drop compensation load unit 42, a voltage excess suppression load unit 44, a voltage drop compensation control unit 46, and a voltage excess suppression control unit 48 may be provided.
- the test apparatus 10 can form on the performance board a stabilization device that stabilizes the power supply voltage supplied to the electronic device 100.
- the current output unit 30 receives at least a part of the power supply current I supplied to the electronic device 100.
- Output current I including it is output.
- the power supply line 32 is connected to the output of the current output unit 30 and the electronic device. Connect to the power input terminal of the chair 100.
- the device-side capacitor 34 is connected in parallel with the electronic device 100 between the contact 52 between the output of the current output unit 30 and the power input terminal of the electronic device 100 and the ground.
- the device side capacitor 34 smoothes the power supply voltage supplied to the power input terminal of the electronic device 100.
- the device-side capacitor 34 may be provided in the immediate vicinity of the electronic device 100.
- the power supply side capacitor 36 is connected between the contact 52 between the device side capacitor 34 and the power supply line 32 and the branch point 54 between the outputs of the current output unit 30 and the ground. That is, the power supply side capacitor 36 is provided closer to the current output unit 30 than the device side capacitor 34 on the power supply line 32.
- the power supply side capacitor 36 smoothes the power supply voltage supplied to the power supply input terminal of the electronic device 100.
- the low-pass section 38 receives the output voltage V of the current output section 30, and performs a predetermined cut
- the low-pass unit 38 may input the output voltage V of the low-pass unit 38 in the immediate vicinity of the electronic device 100 by inputting the voltage between the terminals of the device-side capacitor 34. Power
- the cutoff frequency control unit 40 sets the reference value of the output current I output from the current output unit 30.
- the cutoff frequency of the low-pass section 38 is higher than that after the output current becomes the new reference value until the output current of the current output section 30 becomes the new reference value.
- the cut-off frequency control unit 40 increases the cut-off frequency of the low-pass unit 38 when the supply of power supply voltage to the electronic device 100 is started, and charges the device-side capacitor 34 and the power-side capacitor 36. Lower the cut-off frequency after completion!
- the voltage drop compensation load unit 42 is connected in parallel with the electronic device 100 between the output of the current output unit 30 and the ground, and the output current that the current output unit 30 outputs when the load is instructed to turn on.
- the voltage drop compensation current I which is at least part of I, is consumed to turn off the load.
- the voltage drop compensation load unit 42 includes a first resistor 62 provided between the output of the current output unit 30 and the ground, and a cable that connects the first resistor 62 and the ground. 1st switch 64 that switches whether or not.
- the first switch 64 is connected to the first resistor 62 when instructed to turn on the load. Is connected to the lands, and a voltage drop compensation current I is passed through the first resistor 62 to indicate the load is turned off.
- the voltage drop compensation current I flowing through the first resistor 62 is stopped by opening the first resistor 62 and the ground.
- the first switch 64 is connected between the first resistor 62 and ground.
- the voltage drop compensation load section 42 may be connected between the wiring between the branch point 54 and the power supply side capacitor 36, and the ground.
- the power supply side capacitor 36 can absorb the spike voltage even when a spike voltage is generated by the switching of the voltage drop compensation load section 42. Therefore, the power supply power supplied to the electronic device 100 can be absorbed.
- the pressure can be made more stable.
- the overvoltage suppression load section 44 is connected in parallel with the electronic device 100 and the voltage drop compensation load section 42 between the current output section 30 and the ground, and when the load is instructed to turn on, the current output section 30 consumes overvoltage suppression current I, which is at least part of the output current output
- the voltage excess suppression load unit 44 is connected to the second resistor 66 provided between the output of the current output unit 30 and the ground, and whether to connect the second resistor 66 and the ground. And a second switch 68 for switching between.
- the second switch 68 connects between the second resistor 66 and the ground when instructed to turn on the load, and consumes the overvoltage suppression current I to the second resistor 66.
- the second resistor 66 and the ground are opened to stop the consumption of the overvoltage suppression current I by the second resistor 66.
- the second switch 68 has a second resistor 6
- the overvoltage suppression load unit 44 may be connected between the wiring between the branch point 54 and the power supply side capacitor 36, and the ground.
- the power supply side capacitor 36 can absorb the spike voltage more even when a spike voltage is generated by switching of the voltage excess suppression load section 44. Therefore, the power supply power supplied to the electronic device 100 can be absorbed.
- the pressure can be made more stable.
- the voltage drop compensation control unit 46 includes the output voltage V power low-pass unit 38 of the current output unit 30.
- the voltage drop compensation control unit 46 outputs the output voltage V power S.
- the first load control signal S is turned on when the lower reference voltage V is higher than the lower reference voltage V, and the first switch 64 is turned off when the output voltage V becomes lower than the lower reference refl OUT reference voltage V. Output.
- the voltage excess suppression control unit 48 includes the output voltage V power low-pass unit 38 of the current output unit 30.
- the voltage excess suppression control unit 48 outputs the output voltage V force S
- the second switch 68 is turned off when the voltage is lower than the upper reference voltage V, and the second load control signal S is turned on that turns the second switch 68 on when the output voltage V is higher than the upper reference ref2 OUT reference voltage V. ref2 H.
- FIG. 3A shows a power supply current (I) output from the current output unit 30 and the electronic device 10.
- Figure 3 (B) shows the voltage drop compensation.
- Figure 3 (C) shows negative overvoltage suppression.
- FIG. 1 An example of the second load current I flowing in the load portion 44 is shown.
- Figure 3 (D) shows the power of electronic device 100.
- Figure 3 (E) shows the low-pass section 38.
- FIG. 3 (F) shows an example of the reference voltage V output by the low-pass section 38.
- Fig. 3 (D) shows an example of the reference voltage V output by the low-pass section 38.
- the current output unit 30 starts to output voltage
- the cut-off frequency control unit 40 sets the cut-off frequency of the low-pass unit 38 higher than that during the test. Set.
- the device-side capacitor 34 and the power-source side capacitor 36 output the output current I output from the current output unit 30. To charge. Therefore, in the period T, the output voltage V rises linearly.
- the power supply current I rises linearly as the output voltage V rises.
- the voltage drop compensation control unit 46 turns on the voltage drop compensation load unit 42. Therefore, during period ⁇ , the voltage drop compensation current I is proportional to the output voltage V.
- the compensation control unit 46 turns off the voltage excess suppression load unit 44 and stops the consumption of the voltage excess suppression current I by the voltage excess suppression load unit 44.
- the voltage excess suppression control unit 48 is
- the overvoltage suppression load unit 44 may be forcibly turned off until the output voltage V reaches the predetermined voltage.
- the low-pass section 38 is the output voltage
- the reference voltage V delayed from V is output. Therefore, the reference voltage V is
- test apparatus 10 can test the electronic device 100 (after the period T).
- the cut-off frequency control unit 40 performs a low-frequency operation after the reference voltage V has stabilized at a predetermined value.
- the cutoff frequency control unit 40 outputs a stable reference voltage V during the test even if the output voltage V fluctuates quickly.
- the reference voltage V can be raised more quickly before starting.
- the period until the test can be started can be shortened.
- the cut-off frequency control unit 40 starts to change the voltage generated by the current output unit 30 and the force also passes for a predetermined time. After that, the cut-off frequency can be switched to a lower value, or the reference voltage V can be detected.
- the cut-off frequency may be switched low depending on whether or not the force reaches a constant value.
- the voltage drop compensation control unit 46 is connected to the voltage drop compensation load unit 42 refl.
- the voltage excess suppression control unit 48 turns off the voltage excess suppression load unit 44. Therefore, during the period T, the overvoltage suppression load unit 44 is connected to the overvoltage suppression current I
- the voltage drop compensation controller 46 Since the voltage V is less than the lower reference voltage V), the voltage drop compensation controller 46
- the voltage drop compensation load section 42 is turned off. When the voltage drop compensation load section 42 is turned off, the voltage drop compensation current I consumed by the voltage drop compensation load section 42 becomes the output current I.
- the voltage drop compensation control unit 46 turns on the voltage drop compensation load unit 42. After the voltage drop compensation load section 42 is turned on, the supply of the output current I by the current output section 30 is still delayed.
- Output voltage V will be less than the lower reference voltage V.
- the control unit 46 turns off the voltage drop compensation load unit 42.
- the voltage drop compensation control unit 46 increases the output current I by increasing the increase in the power supply current I.
- the voltage drop compensation load unit 42 is turned on and off repeatedly.
- the output voltage V can be held at a substantially constant value c
- the overvoltage suppression load section 44 is turned on.
- the voltage excess suppression current I consumed by the voltage excess suppression load section 44 is changed to the output current I.
- the overvoltage suppression control unit 48 turns off the overvoltage suppression load unit 44. Excessive voltage suppression After the load section 44 is turned off, the current output section 30 still does not absorb the output current I.
- the oversuppression control unit 48 turns on the overvoltage suppression load unit 44.
- the voltage drop compensation control unit 46 reduces the decrease in the power supply current I by reducing the output current I.
- the voltage V can be held at a substantially constant value.
- the power supply current I supplied to the electronic device 100 is
- a predetermined output voltage V can be supplied to the electronic device 100. So, like this
- the electronic device 100 can be accurately tested.
- Fig. 4 shows switching of the first load control signal S when hysteresis is set for the reference voltage.
- the voltage drop compensation control unit 46 determines whether the output voltage V is the reference voltage V output from the low-pass unit 38 when the voltage drop compensation load unit 42 is off.
- the voltage drop compensation load section 42 is turned off until the voltage becomes equal to or higher than the third reference voltage V, which is a predetermined third offset voltage smaller than the lower offset voltage, and the output voltage V force S ref3 OUT is equal to or higher than the third reference voltage V. In this case, the voltage drop compensation load section 42 is turned on again and ref3
- the voltage drop compensation load unit 42 is turned on.
- the voltage drop compensation control unit 46 switches the voltage drop compensation load unit 42 to off.
- time t and time t in Fig. 4 are shown at time t and time t in Fig. 4,
- the output voltage V rises when the load part 42 is turned off, and the output voltage V drops downward.
- the control unit 46 switches the voltage drop compensation load unit 42 from OFF to ON.
- the switching period for switching on / off of the voltage drop compensation load unit 42 is less than when no hysteresis is given. Can also be long. As a result, according to the voltage drop compensation control unit 46, the frequency of switching can be reduced, so that noise generated by switching the voltage drop compensation load unit 42 can be reduced.
- Figure 5 shows the switching of the second load control signal S when hysteresis is set for the reference voltage.
- the voltage excess suppression control unit 48 sets the output voltage V to the reference voltage V output from the low-pass unit 38 when the voltage excess suppression load unit 44 is turned on.
- the voltage excess suppression load section 44 is turned on until the output voltage V becomes less than the fourth ref4 OUT reference voltage V until it becomes less than the fourth reference voltage V plus the predetermined fourth offset voltage smaller than the upper offset voltage. If this happens, turn off the overvoltage suppression load section 44 again.
- the output voltage V rises from the state where the
- the voltage excess suppression control unit 48 switches the voltage excess suppression load unit 44 to ON. Also, as shown at time t and time t in Fig. 5,
- the output voltage V drops and the output voltage V rises from the state where the load part 44 is turned on.
- the control unit 48 switches the overvoltage suppression load unit 44 to on-off.
- the switching period for switching off the Z-on of the voltage excess suppression load unit 44 is less than when no hysteresis is given. Can also be long.
- the frequency of switching can be reduced, so that noise generated by switching the voltage excess suppression load unit 44 can be reduced.
- FIG. 6 shows an exemplary configuration of the low-pass section 38 according to the present embodiment.
- the low-pass section 38 includes a filter first resistor 111, a filter second resistor 112, a filter capacitor 113, a filter switch 114, a filter operational amplifier 115, and a filter voltage source.
- 116, a third resistor for filter 117, and a fourth resistor for filter 118 may be included.
- the first filter resistor 111 and the second filter resistor 112 are connected in series between the contact 52 and the non-inverting input terminal of the filter operational amplifier 115.
- the filter capacitor 113 is provided between the non-inverting input terminal of the filter operational amplifier 115 and the ground.
- the filter switch 114 switches between short-circuiting and opening of both ends of the first filter resistor 111 according to the cut-off control signal S output by the cut-off frequency control unit 40.
- the filter voltage source 116 has a negative terminal connected to the ground.
- the third filter resistor 117 is provided between the inverting input terminal of the filter operational amplifier 115 and the positive terminal of the filter voltage source 116.
- the filter fourth resistor 118 is provided between the output terminal and the inverting input terminal of the filter operational amplifier 115.
- the output voltage V generated at the contact 52 is reduced.
- the filter time constant is switched according to the cutoff control signal S. More specifically, the low-pass section 38 has a high cutoff frequency when the filter switch 114 is short-circuited, and has a low cutoff frequency when the filter switch 114 is open.
- the low-pass section 38 outputs a reference voltage V to which an offset voltage is added. You can. More specifically, the voltage generated by the filter voltage source 116 is V, and the filter
- the resistance value of the third resistor 117 for the filter is R
- the resistance value of the fourth resistor 118 for the filter is R.
- the low-pass section 38 can output the reference voltage V shown in the following formula (1).
- V (((R + R) / R) X V) One ((R / R) X V) ⁇ ' ⁇ (1)
- FIG. 7 shows an example of the configuration of the voltage drop compensation control unit 46 according to the present embodiment.
- the voltage drop compensation control unit 46 with hysteresis as shown in FIG. 4 includes a negative-side control comparator 121, a negative-side control first resistor 122, and a negative-side control second resistor.
- a resistor 123, a negative control third resistor 124, a negative control fourth resistor 125, a negative control power supply 126, a negative control fifth resistor 127, and an inverting circuit 128 may be included. .
- the negative control comparator 121 opens the output terminal and inputs to the positive input terminal.
- the output terminal is short-circuited.
- the negative control comparator 121 the negative input terminal and the contact 52 are connected, and the output voltage V is input to the negative input terminal.
- the first negative control resistance 122 is provided between the output terminal of the low-pass section 38 and the positive input terminal of the negative control comparator 121.
- the negative control second resistor 123 and the negative control third resistor 124 are connected in series between the positive input terminal of the negative control comparator 121 and the ground.
- the negative side control second resistor 123 and the negative side control third resistor 124 are connected to the negative side control comparator 121 side, negative side control third resistor 124 force S ground side Provided.
- the negative-side control fourth resistor 125 is provided between the output terminal of the negative-side control comparator 121 and the connection point between the negative-side control second resistor 123 and the negative-side control third resistor 124.
- the negative control power supply 126 has a negative terminal connected to the ground.
- the negative control fifth resistor 127 is provided between the output terminal of the negative control comparator 121 and the positive terminal of the negative control power supply 126.
- the inverting circuit 128 inputs the voltage of the output terminal of the negative-side control comparator 121, logically inverts the input voltage, and outputs it as the first load control signal S.
- the first load control signal S is set to high (
- the first load control signal S can be switched from low to high ref3 L.
- the voltage generated by the negative control power supply 126 is V, and the negative control power
- the resistance value of the resistor 122 is R
- the second resistance for the negative control 123 is R
- the resistance value of the negative control is the second control
- resistor 124 The resistance value of resistor 124 is R
- the negative resistance control fourth resistance 125 is the resistance value R
- the negative control resistance is
- FIG. 8 shows an example of the configuration of the voltage excess suppression control unit 48 according to the present embodiment.
- the voltage excess suppression control unit 48 having hysteresis in the threshold value includes, as an example, a voltage follower circuit 131, a positive-side control comparator 132, and a positive-side control first resistor 133.
- the positive-side control seventh resistor 140, the positive-side control eighth resistor 141, the positive-side control positive power source 142, the positive-side control ninth resistor 143, and the notch circuit 144 may be included.
- the Bonorage follower circuit 131 is a circuit having a high input impedance and a low output impedance, and outputs a voltage having a value input to the input terminal from the output terminal.
- the input terminal is connected to the contact 52, and the output voltage V is input to the input terminal.
- the positive control comparator 132 opens the output terminal and is input to the positive input terminal.
- the output terminal is short-circuited.
- the first positive control resistor 133 is provided between the output terminal of the voltage follower circuit 131 and the negative input terminal of the positive control comparator 132.
- the positive side control second resistor 134 and the positive side control third resistor 135 are connected in series between the negative side input terminal of the positive side control comparator 132 and the ground.
- the second positive control resistor 134 and the third positive control resistor 135 are the positive control second resistor 134 on the positive control comparator 132 side and the positive control third resistor 135 on the ground side. It is done.
- the positive control negative power supply 136 has a positive terminal connected to the ground.
- the positive-side control fourth resistor 137 is provided between the negative terminal of the positive-side control negative power source 136 and the connection point between the positive-side control second resistor 134 and the positive-side control third resistor 135.
- the fifth positive control resistor 138 is provided between the output terminal of the low-pass section 38 and the positive input terminal of the positive control comparator 132.
- the positive side control sixth resistor 139 and the positive side control seventh resistor 140 are connected in series between the positive side input terminal of the positive side control comparator 132 and the ground.
- the positive control sixth resistor 139 and the positive control seventh resistor 140 are the positive control sixth resistor 139 on the positive control comparator 132 side and the positive control seventh resistor 140 on the ground side. It is done.
- the eighth positive control resistor 141 is provided between the output terminal of the positive control comparator 132 and the connection point of the sixth positive control resistor 139 and the seventh positive control resistor 140.
- the positive control positive power supply 142 has a negative terminal connected to the ground.
- the 9th resistor 143 for positive side control is connected to the output terminal of the comparator 132 for positive side control and the positive power supply 142 for positive side control. It is provided between the lath side terminals.
- the noter circuit 144 inputs the voltage at the output terminal of the positive-side control comparator 132 and outputs it as a logical second load control signal S according to the input voltage.
- the second load control signal S is set to low (
- the output voltage V also rises when the state force that is turning off the overvoltage suppression load 44 is
- the output voltage V o decreases when the voltage excess suppression load unit 44 is set to high (the voltage excess suppression load unit 44 is turned on), and the output voltage V Is less than the upper reference voltage V and less than the fourth reference voltage V
- the second load control signal S can be switched to low.
- the voltage generated by the negative power source 136 for positive side control is ⁇ V, and positive side control is performed.
- the voltage generated by the positive power supply 142 is V, and the resistance of the positive control first resistor 133 is R
- the resistance value of the second resistor 134 for positive side control is R
- the resistance value of the third resistor 135 for positive side control is R
- the resistance value of the positive control fourth resistor 137 is R
- the resistance value of the positive control fifth resistor 138 is R
- the resistance value of the positive control sixth resistor 139 is R
- the resistance value of the positive control seventh resistor 140 is R
- the resistance value of the positive-side control eighth resistor 141 is R
- the resistance value of the positive-side control ninth resistor 143 is R
- the voltage excess suppression control unit 48 indicates the output voltage V and the following equations (5) and (6).
- the upper reference voltage V and the fourth reference voltage V can be compared.
- FIG. 9 shows the configuration of the power supply device 16 according to a modification of the present embodiment, along with the electronic device 100.
- the power supply device 16 according to the present modification employs substantially the same configuration and function as the members having the same reference numerals shown in FIG.
- the voltage drop compensation load section 42 in the power supply device 16 according to this modification further includes a load disconnect switch 92.
- the power supply device 16 according to this modification further includes a load disconnection control unit 94.
- the load disconnect switch 92 switches whether the voltage drop compensation load section 42 is electrically connected between the current output section 30 and the ground.
- the load disconnection control unit 94 performs a voltage drop compensation load between the current output unit 30 and the ground when sequentially executing the first test and the second test with different reference values of the output current output from the current output unit 30.
- the load disconnect switch 92 is controlled so as to change the reference value of the output current by electrically disconnecting the section 42.
- a stable power supply voltage can be supplied to the electronic device.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Voltage And Current In General (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008517812A JP5249022B2 (ja) | 2006-06-01 | 2007-05-01 | 電源装置、試験装置および安定化装置 |
DE112007001333T DE112007001333T5 (de) | 2006-06-01 | 2007-05-01 | Stromversorgungsgerät, Prüfvorrichtung und Stabilisierungsvorrichtung |
US12/267,621 US7804293B2 (en) | 2006-06-01 | 2008-11-10 | Power supply and stabilizer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006154076 | 2006-06-01 | ||
JP2006-154076 | 2006-06-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/267,621 Continuation US7804293B2 (en) | 2006-06-01 | 2008-11-10 | Power supply and stabilizer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007138819A1 true WO2007138819A1 (ja) | 2007-12-06 |
Family
ID=38778341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/059323 WO2007138819A1 (ja) | 2006-06-01 | 2007-05-01 | 電源装置、試験装置および安定化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7804293B2 (ja) |
JP (1) | JP5249022B2 (ja) |
KR (1) | KR101044706B1 (ja) |
DE (1) | DE112007001333T5 (ja) |
WO (1) | WO2007138819A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105302216A (zh) * | 2015-08-24 | 2016-02-03 | 马瑞利汽车零部件(芜湖)有限公司 | 带有高频瞬态电压保护的低压差线性稳压电路 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5559724B2 (ja) * | 2011-02-24 | 2014-07-23 | 株式会社アドバンテスト | 試験装置用の電源装置およびそれを用いた試験装置 |
EP2842221A4 (en) * | 2012-04-26 | 2016-05-11 | Gen Electric | SECTOR CONVERTER SYSTEM, DAMPING SYSTEM, AND METHOD OF OPERATING AN AREA CONVERTER SYSTEM |
US11092623B2 (en) * | 2018-12-11 | 2021-08-17 | Electronics And Telecommunications Research Institute | Current sensor for measuring alternating electromagnetic wave and a current breaker using the same |
CN111122957B (zh) * | 2019-12-26 | 2022-08-09 | 上海三菱电机·上菱空调机电器有限公司 | 过电压检测电路、过电压检测方法、逆变器及空气调节器 |
KR102536959B1 (ko) * | 2021-04-21 | 2023-05-31 | 한국한의학연구원 | 내복자 추출물을 포함하는 악액질의 예방, 개선 또는 치료용 조성물 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0556641A (ja) * | 1991-08-28 | 1993-03-05 | Fuji Electric Co Ltd | スイツチング電源 |
JP2006105620A (ja) * | 2004-09-30 | 2006-04-20 | Advantest Corp | 電源装置及び試験装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353080A (en) * | 1964-08-06 | 1967-11-14 | Walden Electronics Corp | Regulated power supply having separate regulators responsive to different error signal frequency components |
JP3072880B2 (ja) * | 1994-06-02 | 2000-08-07 | 株式会社アドバンテスト | Ic試験用電圧発生回路 |
JP4547147B2 (ja) * | 2001-06-06 | 2010-09-22 | 株式会社アドバンテスト | 電源回路、及び試験装置 |
JP2004170314A (ja) * | 2002-11-21 | 2004-06-17 | Advantest Corp | 試験装置、試験方法、及び電流測定器 |
JP4081089B2 (ja) * | 2003-05-21 | 2008-04-23 | 株式会社アドバンテスト | 電源装置、試験装置及び電源電圧安定化装置 |
JP4412917B2 (ja) | 2003-05-21 | 2010-02-10 | 株式会社アドバンテスト | 電流測定装置及び試験装置 |
US7162652B2 (en) * | 2003-06-20 | 2007-01-09 | Texas Instruments Incorporated | Integrated circuit dynamic parameter management in response to dynamic energy evaluation |
JP3742639B2 (ja) * | 2003-09-30 | 2006-02-08 | オーリス株式会社 | ドア枠材取付装置 |
JP2006154076A (ja) | 2004-11-26 | 2006-06-15 | Canon Inc | 画像形成装置 |
-
2007
- 2007-05-01 KR KR1020087029619A patent/KR101044706B1/ko not_active IP Right Cessation
- 2007-05-01 DE DE112007001333T patent/DE112007001333T5/de not_active Withdrawn
- 2007-05-01 WO PCT/JP2007/059323 patent/WO2007138819A1/ja active Application Filing
- 2007-05-01 JP JP2008517812A patent/JP5249022B2/ja not_active Expired - Fee Related
-
2008
- 2008-11-10 US US12/267,621 patent/US7804293B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0556641A (ja) * | 1991-08-28 | 1993-03-05 | Fuji Electric Co Ltd | スイツチング電源 |
JP2006105620A (ja) * | 2004-09-30 | 2006-04-20 | Advantest Corp | 電源装置及び試験装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105302216A (zh) * | 2015-08-24 | 2016-02-03 | 马瑞利汽车零部件(芜湖)有限公司 | 带有高频瞬态电压保护的低压差线性稳压电路 |
Also Published As
Publication number | Publication date |
---|---|
KR101044706B1 (ko) | 2011-06-28 |
JPWO2007138819A1 (ja) | 2009-10-01 |
US7804293B2 (en) | 2010-09-28 |
KR20090009945A (ko) | 2009-01-23 |
JP5249022B2 (ja) | 2013-07-31 |
DE112007001333T5 (de) | 2009-04-02 |
US20090289609A1 (en) | 2009-11-26 |
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