CN202957626U - Device managing battery power supply - Google Patents
Device managing battery power supply Download PDFInfo
- Publication number
- CN202957626U CN202957626U CN2012205859963U CN201220585996U CN202957626U CN 202957626 U CN202957626 U CN 202957626U CN 2012205859963 U CN2012205859963 U CN 2012205859963U CN 201220585996 U CN201220585996 U CN 201220585996U CN 202957626 U CN202957626 U CN 202957626U
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- China
- Prior art keywords
- power supply
- battery
- cpu
- management chip
- power management
- 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.)
- Expired - Fee Related
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- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
The utility model discloses a device managing battery power supply, comprising a battery and a power supply managing chip connected together. The power supply managing chip is respectively connected with a data input end and a data output end of a CPU (Central Processing Unit), and is also connected with a button. Via an IO (input/output) pin, the CPU controls the power supply managing chip to supply power for a system. The device managing battery power supply uses the CPU to control power on/off of the battery, wherein control is convenient, a power supply can be switched off after corresponding data is processed, and data completeness and reliability can be ensured.
Description
Technical field:
The utility model relates to a kind of electric power system battery powdered device, particularly relates to a kind of battery powered managing device.
Background technology:
Battery powered equipment need to have been managed switching on and shutting down, accomplishes that start is convenient as far as possible, and after shutdown, standby current is as far as possible little.Method commonly used is to increase a physical switch, and the advantage of the method is that after shutdown, standby current is zero, but can cause equipment to cut off the power supply suddenly, easily causes device data to lose.
The utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of reasonable in design, simple in structure, easy to use and can prevent the battery powered managing device that suddenly outage causes device data to lose.
The technical solution of the utility model is: a kind of battery powered managing device, contain battery and power management chip, the two links together, and described power management chip is connected with data output end with the data input pin of CPU respectively, and described power management chip is connected with button.
Described CPU controls power management chip to system power supply by the IO pin.
The beneficial effects of the utility model are:
1, the utility model is controlled battery runs down by CPU, and it is convenient to control, and can after handling corresponding data, carry out powered-down, guarantees the complete reliable of data.
2, the utility model is reasonable in design, simple in structure, easy to use and can prevent that suddenly outage from causing device data to lose, and is easy to promotion and implementation, has good economic benefit.
The accompanying drawing explanation:
The system block diagram that Fig. 1 is battery powered managing device;
The circuit theory diagrams that Fig. 2 is battery powered managing device.
Embodiment:
Embodiment: referring to Fig. 1 and Fig. 2, in Fig. 1, battery powered managing device contains battery and power management chip, the two links together, wherein: power management chip is connected with data output end with the data input pin of CPU respectively, and power management chip is connected with button.
Push button, power management chip starts to system power supply.After system powers on, CPU controls power management chip to system power supply by the IO pin, then can unclamp button.When system need to be shut down, only need by the IO pin of CPU, control the power management chip outage and get final product.
As shown in Figure 2, during start, need to press the On/Off button, PwerEn is high level, enables U9, starts to export 3.3V voltage, and CPU starts to work on power.After CPU starts, at first by IO pin output high level, by R1, keep PwrEn to be continuously high level, now, just can unclamp button.When the needs powered-down, only need CPU by IO pin output low level, then, PwrEn is low, U9 closes the output of 3.3V power supply.
Claims (2)
1. a battery powered managing device, contain battery and power management chip, and the two links together, and it is characterized in that: described power management chip is connected with data output end with the data input pin of CPU respectively, and described power management chip is connected with button.
2. battery powered managing device according to claim 1 is characterized in that: described CPU controls power management chip to system power supply by the IO pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205859963U CN202957626U (en) | 2012-11-09 | 2012-11-09 | Device managing battery power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205859963U CN202957626U (en) | 2012-11-09 | 2012-11-09 | Device managing battery power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957626U true CN202957626U (en) | 2013-05-29 |
Family
ID=48463178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205859963U Expired - Fee Related CN202957626U (en) | 2012-11-09 | 2012-11-09 | Device managing battery power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681289A (en) * | 2018-07-06 | 2018-10-19 | 广州天通智能技术有限公司 | A kind of intelligent radio switch |
-
2012
- 2012-11-09 CN CN2012205859963U patent/CN202957626U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681289A (en) * | 2018-07-06 | 2018-10-19 | 广州天通智能技术有限公司 | A kind of intelligent radio switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20171109 |