CN201127013Y - Two-way whole bridge type gate driver capable of improving working voltage - Google Patents
Two-way whole bridge type gate driver capable of improving working voltage Download PDFInfo
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- CN201127013Y CN201127013Y CNU2007203117205U CN200720311720U CN201127013Y CN 201127013 Y CN201127013 Y CN 201127013Y CN U2007203117205 U CNU2007203117205 U CN U2007203117205U CN 200720311720 U CN200720311720 U CN 200720311720U CN 201127013 Y CN201127013 Y CN 201127013Y
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Abstract
The utility model relates to a motor driver, in particular to relating to a double channel full-bridge mode gate driver improving working voltage, comprising two CMOS tube bridge type circuits. Outputs of the two CMOS tube bridge type circuits are separately connected with two windings of a stepping motor. Grids of CMOS tubes are separately connected with an output foot of pre-stage driving IC. The output foot of the pre-stage driving IC is connected with the output of the double channel full-bridge mode gate driver A3986. The utility mode improves the highest working voltage of A3986, so as to make A3986 work in higher voltage and widen application range of A3986. The utility model main solves a technology problem that the highest working voltage of the double channel full-bridge mode gate driver A3986 is only 50V, so that the double channel full-bridge mode gate driver cannot work in a higher voltage and use is limited.
Description
Technical field
The utility model relates to a kind of motor driver, relates in particular to a kind of two-way full-bridge type gate driver that improves operating voltage.
Background technology
Integrated circuit A3986 is a two-way full-bridge type gate driver with integrated micro-stepping transducer, is fit to drive the middle high power bi-pole stepper motor of relative broad range.Have only 50V but its operating voltage is the highest, can't work under the higher voltage, use is restricted.
Summary of the invention
The utility model provides a kind of two-way full-bridge type gate driver that improves operating voltage, it has improved the maximum operating voltage of A3986, make it to work under the high voltage, widen its scope of application, the maximum operating voltage that mainly solves former two-way full-bridge type gate driver A3986 has only 50V, can't work under the higher voltage, use the technical problem that is restricted.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises two CMOS pipe bridge formula circuit, the output of two CMOS pipe bridge formula circuit links to each other with two windings of stepping motor respectively, the grid of CMOS pipe links to each other with the output pin of prime chip for driving respectively, and the input pin of prime chip for driving connects the output of two-way full-bridge type gate driver A3986.
As preferably, described CMOS pipe QH1, QL1, QH3, QL3 form a CMOS pipe bridge formula circuit, and QH2, QL2, QH4, QL4 form another CMOS pipe bridge formula circuit, and U1, U2, U3, U4 are the prime chip for driving; The source electrode of QH2,6 pin of the drain electrode of QL2 and U1 connect together and connect an end of stepping motor A winding altogether, the source electrode of QH4,6 pin of the drain electrode of QL4 and U2 connect together and connect the other end of stepping motor A winding altogether, two QH2, the drain electrode of QH4 all meets voltage V+, QL2, the source electrode of QL4 all meets voltage V-through resistance R 13, the grid of QH2 connects 7 pin of U1 through resistance R 8, the grid of QL2 connects 5 pin of U1 through resistance R 7, the grid of QH4 connects 7 pin of U2 through resistance R 15, the grid of QL4 connects 5 pin of U2 through resistance R 14,6 pin of U1, be connected with between 4 pin by capacitor C 6, diode D1, the series circuit that capacitor C 5 is linked to be, the D1 two ends again with 1 pin of U1,8 pin link to each other, 6 pin of U2, be connected with between 4 pin by capacitor C 8, diode D2, the series circuit that capacitor C 10 is linked to be, D2 two ends again with 1 pin of U2,8 pin link to each other; The source electrode of QH1,6 pin of the drain electrode of QL1 and U3 connect together and connect an end of stepping motor B winding altogether, the source electrode of QH3,6 pin of the drain electrode of QL3 and U4 connect together and connect the other end of stepping motor B winding altogether, QH1, the drain electrode of QH3 all meets voltage V+, QL1, the source electrode of QL3 all meets voltage V-through resistance R 9, the grid of QH1 connects 7 pin of U3 through resistance R 6, the grid of QL1 connects 5 pin of U3 through resistance R 5, the grid of QH3 connects 7 pin of U4 through resistance R 11, the grid of QL3 connects 5 pin of U4 through resistance R 10,6 pin of U3, be connected with between 4 pin by capacitor C 1, diode D3, the series circuit that capacitor C 2 is linked to be, the D3 two ends again with 1 pin of U3,8 pin link to each other, 6 pin of U4, be connected with between 4 pin by capacitor C 7, diode D4, the series circuit that capacitor C 9 is linked to be, D4 two ends again with 1 pin of U4,8 pin link to each other; Each links to each other 2 pin of U1, U2, U3, U4 with four outputs of two-way full-bridge type gate driver A3986, and each links to each other 3 pin of U1, U2, U3, U4 with four anti-phase outputs of two-way full-bridge type gate driver A3986.
As preferably, described prime chip for driving U1, U2, U3, U4 are integrated circuit IR2103.
The beneficial effects of the utility model are: by connect the prime chip for driving on the grid of the CMOS pipe of forming two CMOS pipe bridge formula circuit, the input of prime chip for driving links to each other with the output of two-way full-bridge type gate driver A3986, the output of two CMOS pipe bridge formula circuit connects two windings of stepping motor, constitute a brand-new two-way full-bridge type gate driver, improved maximum operating voltage, make it to work under the high voltage, widen the scope of application.
Description of drawings
Fig. 1 is a kind of circuit connection diagram of the present utility model.
1.CMOS pipe bridge formula circuit among the figure, 2.CMOS pipe bridge formula circuit, 3. prime chip for driving.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the two-way full-bridge type gate driver of the raising operating voltage of present embodiment as shown in Figure 1, comprises 1,2 and four prime chip for driving 3 of two CMOS pipe bridge formula circuit.The output of two CMOS pipe bridge formula circuit 1,2 links to each other with two windings of A, B of stepping motor respectively, and the grid of CMOS pipe links to each other with the output pin of prime chip for driving 3 respectively, and the input pin of prime chip for driving 3 connects the output of two-way full-bridge type gate driver A3986.Among Fig. 1, CMOS pipe QH1, QL1, QH3, QL3 form a CMOS pipe bridge formula circuit 1, and QH2, QL2, QH4, QL4 form another CMOS pipe bridge formula circuit 2, and U1, U2, U3, U4 are prime chip for driving 3.The source electrode of QH2,6 pin of the drain electrode of QL2 and U1 connect together and connect an end of stepping motor A winding altogether, the source electrode of QH4,6 pin of the drain electrode of QL4 and U2 connect together and connect the other end of stepping motor A winding altogether, two QH2, the drain electrode of QH4 all meets voltage V+, QL2, the source electrode of QL4 all meets voltage V-through resistance R 13, the grid of QH2 connects 7 pin of U1 through resistance R 8, the grid of QL2 connects 5 pin of U1 through resistance R 7, the grid of QH4 connects 7 pin of U2 through resistance R 15, the grid of QL4 connects 5 pin of U2 through resistance R 14,6 pin of U1, be connected with between 4 pin by capacitor C 6, diode D1, the series circuit that capacitor C 5 is linked to be, the D1 two ends again with 1 pin of U1,8 pin link to each other, 6 pin of U2, be connected with between 4 pin by capacitor C 8, diode D2, the series circuit that capacitor C 10 is linked to be, D2 two ends again with 1 pin of U2,8 pin link to each other.The source electrode of QH1,6 pin of the drain electrode of QL1 and U3 connect together and connect an end of stepping motor B winding altogether, the source electrode of QH3,6 pin of the drain electrode of QL3 and U4 connect together and connect the other end of stepping motor B winding altogether, QH1, the drain electrode of QH3 all meets voltage V+, QL1, the source electrode of QL3 all meets voltage V-through resistance R 9, the grid of QH1 connects 7 pin of U3 through resistance R 6, the grid of QL1 connects 5 pin of U3 through resistance R 5, the grid of QH3 connects 7 pin of U4 through resistance R 11, the grid of QL3 connects 5 pin of U4 through resistance R 10,6 pin of U3, be connected with between 4 pin by capacitor C 1, diode D3, the series circuit that capacitor C 2 is linked to be, the D3 two ends again with 1 pin of U3,8 pin link to each other, 6 pin of U4, be connected with between 4 pin by capacitor C 7, diode D4, the series circuit that capacitor C 9 is linked to be, D4 two ends again with 1 pin of U4,8 pin link to each other.Each links to each other 2 pin of U1, U2, U3, U4 with four outputs of two-way full-bridge type gate driver A3986, and each links to each other 3 pin of U1, U2, U3, U4 with four anti-phase outputs of two-way full-bridge type gate driver A3986.Prime chip for driving 3U1, U2, U3, U4 adopt integrated circuit IR2103.
The forward drive of two-way full-bridge type gate driver A3986 outputs signal to 2 pin of prime chip for driving IR2103, the reverse drive of two-way full-bridge type gate driver A3986 outputs signal to 3 pin of prime chip for driving IR2103,5 pin of prime chip for driving IR2103,7 pin are exported the grid of control signal to the CMOS pipe, give A, the B winding of stepping motor again by the output output drive signal of two CMOS pipe bridge formula circuit, finish the driving of stepping motor.Because the ceiling voltage of prime chip for driving IR2103 is 600V, consider stability, the utility model can be operated in about 100V, has improved maximum operating voltage, makes it to work under the high voltage, widens the scope of application.
Claims (3)
1. two-way full-bridge type gate driver that improves operating voltage, it is characterized in that comprising two CMOS pipe bridge formula circuit (1,2), the output of two CMOS pipe bridge formula circuit (1,2) links to each other with two windings of stepping motor respectively, the grid of CMOS pipe links to each other with the output pin of prime chip for driving (3) respectively, and the input pin of prime chip for driving (3) connects the output of two-way full-bridge type gate driver A3986.
2. the two-way full-bridge type gate driver of raising operating voltage according to claim 1, it is characterized in that CMOS pipe QH1, QL1, QH3, QL3 form a CMOS pipe bridge formula circuit (1), QH2, QL2, QH4, QL4 form another CMOS pipe bridge formula circuit (2), and U1, U2, U3, U4 are prime chip for driving (3); The source electrode of QH2,6 pin of the drain electrode of QL2 and U1 connect together and connect an end of stepping motor A winding altogether, the source electrode of QH4,6 pin of the drain electrode of QL4 and U2 connect together and connect the other end of stepping motor A winding altogether, two QH2, the drain electrode of QH4 all meets voltage V+, QL2, the source electrode of QL4 all meets voltage V-through resistance R 13, the grid of QH2 connects 7 pin of U1 through resistance R 8, the grid of QL2 connects 5 pin of U1 through resistance R 7, the grid of QH4 connects 7 pin of U2 through resistance R 15, the grid of QL4 connects 5 pin of U2 through resistance R 14,6 pin of U1, be connected with between 4 pin by capacitor C 6, diode D1, the series circuit that capacitor C 5 is linked to be, the D1 two ends again with 1 pin of U1,8 pin link to each other, 6 pin of U2, be connected with between 4 pin by capacitor C 8, diode D2, the series circuit that capacitor C 10 is linked to be, D2 two ends again with 1 pin of U2,8 pin link to each other; The source electrode of QH1,6 pin of the drain electrode of QL1 and U3 connect together and connect an end of stepping motor B winding altogether, the source electrode of QH3,6 pin of the drain electrode of QL3 and U4 connect together and connect the other end of stepping motor B winding altogether, QH1, the drain electrode of QH3 all meets voltage V+, QL1, the source electrode of QL3 all meets voltage V-through resistance R 9, the grid of QH1 connects 7 pin of U3 through resistance R 6, the grid of QL1 connects 5 pin of U3 through resistance R 5, the grid of QH3 connects 7 pin of U4 through resistance R 11, the grid of QL3 connects 5 pin of U4 through resistance R 10,6 pin of U3, be connected with between 4 pin by capacitor C 1, diode D3, the series circuit that capacitor C 2 is linked to be, the D3 two ends again with 1 pin of U3,8 pin link to each other, 6 pin of U4, be connected with between 4 pin by capacitor C 7, diode D4, the series circuit that capacitor C 9 is linked to be, D4 two ends again with 1 pin of U4,8 pin link to each other; Each links to each other 2 pin of U1, U2, U3, U4 with four outputs of two-way full-bridge type gate driver A3986, and each links to each other 3 pin of U1, U2, U3, U4 with four anti-phase outputs of two-way full-bridge type gate driver A3986.
3. the two-way full-bridge type gate driver of raising operating voltage according to claim 1 and 2 is characterized in that described prime chip for driving (3) U1, U2, U3, U4 are integrated circuit IR2103.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203117205U CN201127013Y (en) | 2007-12-17 | 2007-12-17 | Two-way whole bridge type gate driver capable of improving working voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203117205U CN201127013Y (en) | 2007-12-17 | 2007-12-17 | Two-way whole bridge type gate driver capable of improving working voltage |
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| Publication Number | Publication Date |
|---|---|
| CN201127013Y true CN201127013Y (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203117205U Expired - Fee Related CN201127013Y (en) | 2007-12-17 | 2007-12-17 | Two-way whole bridge type gate driver capable of improving working voltage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370472A (en) * | 2017-08-25 | 2017-11-21 | 广东美的安川服务机器人有限公司 | Bridge-type output circuit, electrical stimulation circuit and electrical stimulation device |
-
2007
- 2007-12-17 CN CNU2007203117205U patent/CN201127013Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370472A (en) * | 2017-08-25 | 2017-11-21 | 广东美的安川服务机器人有限公司 | Bridge-type output circuit, electrical stimulation circuit and electrical stimulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20101217 |