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gps track project

rajasekar selva
Prodigy 30 points
Other Parts Discussed in Thread: PMP9769, PMP

i am working in a GPS  track project ,the had used the below modules and i had complete project in which i have confession in using battery backup in the project, so please prefer which battery i have to use for these project


1)GSM SIM900A MODULE:

OPERATING VOLTAGE:5V

Low power consumption: 1.5mA(sleep mode)

Operation temperature: -40°C to +85 °C


2)ARDUINO MEGA

  OPERATING VOLTAGE:5V

  OPERATING CURRENT:500 mA

3)GPS
 
OPERATING VOLTAGE:5V
 
OPERATING CURRENT:500mA

4)sd card

it requeires 5v only

  • 0
    TI__Mastermind 25800 points
    Hey rajasekar,

    What type of battery will you be using? Single-cell? Regulation voltage? Size/Capacity?

    And you are looking for just a battery backup in the event of power loss? I am assuming you have a separate 5V power supply for your modules/MCUs correct?


    Regards,
    Joel H
  • 0 in reply to Joel Hernandez II
    Prodigy 5 points

    Hello,

    Take a look at this design which has the power blocks you need.

    PMP9769

    Automotive E-Call Power Supply Reference Design with Low Intermediate Voltage


    This reference design shows a complete power solution for an e-call application including the backup power.
    It uses a battery configuration with a maximum terminal voltage of less than 5 V for backup power. 


    For providing power to all required circuit blocks it uses suitable switching regulators.
    It also manages seamless transition from main to backup power and back during all possible power conditions in the car.

    Charging the backup battery is included as well.

  • 0 in reply to Ed Walker
    Prodigy 30 points

    Dear  sir,i have been using separate power supply for each module and the main think is which battery i have to use ?,then in my project the power is supply to the gps track device continuously if there is power cut to the device ,the battery should give charge to 5 hours ,so please prefer correct ,then you refer pmp9769 it had 3 version which version i had to use if it is correct and send the procedure to buy a sample piece

  • 0 in reply to Ed Walker
    Prodigy 30 points
    sir and also send me the price of PMP9769
  • 0 in reply to rajasekar selva
    Prodigy 5 points

    Hello Rajasekar,

    TI's PMP designs are for reference only, not an orderable item.
    This disclaimer is given on all PMP's:
            "Fully assembled board (shown above) developed for testing and performance validation only, not available for sale."

    These are meant to show designers how things can be done.
    Design details are on TI.COM but hardware is not available.
    You can build one with the Schematic, BoM bill of material, PCB gerber or PCB file.

    As for your battery, you must determine how many Amp Hours (or Watt Hours) the device needs.
    This would be based on calculating the various operating modes and the power required.
    Table 1 and 2 of PMP9769 Test Report shows operating modes and current / power required.

    Then consult with a battery supplier.
    TI does not make batteries nor are we able to recommend a particular supplier.

    PMP9769 has 4 outputs for various parts of the system.
    These are not 'versions', these are 4 required supply rails.

    Parametrics
     PMP9769.1
    (Output Voltage 1)    		PMP9769.2
    (Output Voltage 2)    		PMP9769.3
    (Output Voltage 3)    		PMP9769.4
    (Output Voltage 4)
    Vin (Min) (V) 5 5 5 5
    Vin (Max) (V) 40 40 40 40
    Vout (Nom) (V) 3.8 1.8 5 9
    Iout (Max) (A) 2 1 1 1
    Output Power (W) 7.6 1.8 5 9
    Isolated/Non-Isolated Non-Isolated Non-Isolated Non-Isolated Non-Isolated
    Input Type DC DC DC DC
    Topology Buck Boost- Integrated Switch Buck- Integrated Switch Buck Boost- Integrated Switch Boost- Integrated Switch