PST-DC-UPS-12A-Nxx-Pyy UPS controller and DC UPS for use in cars with 12V and 12A pass through
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PST-DC-UPS-12A-Nxx-Pyy UPS controller and DC UPS for use in cars with 12V and 12A pass through
Input Voltage MIN (V) : 11.2
Input Voltage MAX (V) : 15
Output Max Current (A) : 12
Output Voltage (V) : 12
Output Connector : Faston spadel
Output Wattage (W) : 120
Isolation : Non-isolated, common ground
Output max Current <60sec (A) : 13
Protections : Output short protected
Cooling (passive if not specified) :
Output Ripple(mV or %) : 2%
Safety :
Notes :
Environment : -10C to +45C operating, -20C to +70C storage
Humidity max (%) : 90
Efficiency (%) : 87
HiPot/ESD :
Input Connector : Faston spade
MTBF : Consumer grade
Weight (g) : 140.00
This system designed to work with 12 volt systems, operated with 12V lead acid battery.
It has 5 amps and has the ability to drive LEDs or relays to indicate the status of the UPS.
It is a microprocessor controlled uninterruptible power supply module. You can connect the module to the car's electrical bus and it will charge an external 12 volt lead acid battery of your choice. Your equipment, for example, a small computer, video recorder, or a car alarm, is connected to the module. This equipment runs off the automobile's electrical bus until the voltage from the car drops below a preset voltage, the "N" voltage (from 13.1 to 11.9 volts, depending on your needs). Then the external battery takes over. When the external battery drops below the "P" preset voltage (Between 10 volts and 3 volts depending on your requirements) the power is cut off to either prevent damage to the external battery or to run your equipment as long as possible.
These controllers can charge an auxiliary battery from the car's alternator system.
The auxiliary battery is isolated from the car's electrical system so that it will only operate the equipment attached to the load terminals of the controller.
The load terminals power your equipment from either the car or the auxiliary battery, acting as a battery backup (BBU). The switch position depends on the voltage levels of the two inputs. This allows your equipment to be powered from the car when car power is available.
The DC UPS controller protects the auxiliary battery from being over-discharged.
The control set-points of the DC UPS controller can be set so that the equipment switches to auxiliary power when the car is shut off.
The setpoints can also be set so the the switching starts at lower voltage. This allows the load to run off the car's battery but cut off while the car's starting battery still has enough power to safely start the engine.
One of the most popular applications is to run a small auxiliary battery that kicks in while the car is starting to prevent equipment drop-outs when the car's voltage sags.
Pinout for digital connector:
PIN 1. Negative side of the MAIN LED. This pin will be low when load is being powered from the main input. Maximum sink current is 30mA.
PIN 2. Positive supply for the LEDs. Nominal output 12VDC. Do not draw more than 30mA from this pin. Current limiting resistors will be needed in series with the LEDs.
PIN 3. Negative side of the STANDBY LED. This pin will be low when load is being powered from the standby input. Maximum sink current is 30mA.