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Lead-Acid Battery Accumulator Storage Cell Charger for UPS Car Motorcycles Solar e-Bike (3A 12V 1-1000AH)
The DD30CRTA is a PWM switch-mode battery charger controller for 12V lead-acid battery in a small package using few external components. The DD30CRTA is specially designed for charging 12V lead-acid battery with trickle charge, constant current charge, over-charge and float charge mode.
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Specification:
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Power supply voltage: 15 - 28 VDC (Recommended 16-25VDC)
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Over Charge Voltage is 14.8V Float Charge Voltage is 13.55V Maximum charge current: 3A Quiescent current: about 1.8mA
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High PWM Switching Frequency:300KHz Fixed Over-Charge Voltage Overcurrent protection Automatic Conditioning of Deeply Discharged Batteries
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Automatic Recharge Charger Status Indication Battery Overvoltage Protection Operating Ambient Temperature -40℃ to +85℃
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Size : 66 x 20x 12mm(with Terminal),66 x 20x 10mm(no Terminal) Weight : 9g(with Terminal),6g(no Terminal)
Features:
Fixed Over-Charge Voltage
Overcurrent protection
Automatic Conditioning of Deeply Discharged Batteries
Automatic Recharge
Charger Status Indication
Battery Overvoltage Protection
Suitable for 1-10000AH 12V Lead-Acid Battery charger
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In over-charge and float charge mode, the regulation voltage is internally set. The constant charge current is programmable with a single sense resistor.
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Deeply discharged batteries are automatically trickle charged at 17.5% of the programmed constant charge current until the cell voltage exceeds 75% of the regulation voltage in over-charge mode. The over-charge is terminated once the charging current drops to 38% of the constant charge current, then DD30CRTA will enter float charge mode. A new charge cycle automatically restarts if the battery voltage falls below 83.95% of the over-charge voltage in float-charge mode. DD30CRTA will automatically enter sleep mode when input voltage is lower than battery voltage. Other features include undervoltage lockout and status indication, etc.
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The Regulation Voltage in Over Voltage Mode and Float Charge Mode
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The regulation voltage VOC at BAT pin in over charge mode is set at 14.8V(Typical) with ±1.5% accuracy.
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In float charge mode, the regulation voltage VFLOAT at BAT pin is 91.57% of that in over charge mode, which is 13.55V(Typical).
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Trickle Charge Mode At the beginning of a charge cycle, if the battery voltage is below 75%×VOC, the charger goes into trickle charge mode with the charge current set at about 17.5% of the constant current.
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End-of-Over Charge Current
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When the battery voltage approaches the over-charge voltage, the charger goes into the over charge mode.
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In over charge mode, the charge current start to decrease and when the charge current drops to 38% of constant charge current, the charger goes into float-charge mode.
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Float Charge Mode
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After the over voltage charge is terminated, the charger goes into float charge mode. In float charge mode, the,battery voltage is regulated to 91.57%×VOC, namely 13.55V(Typical). Float charge mode can compensate for the loss of battery power due to self-discharge or external loading.
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Automatic Battery Recharge
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In float mode, if both the battery and the input power supply (wall adapter) are present, a new charge cycle will begin if the battery voltage drops below 83.95%×VOC due to self-discharge or external loading.
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A new charge cycle can also be started manually by plugging off the input supply and reapplying it.
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Subtitle | N/A |
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UPC/EAN | 4604046155364 |
M.R.P | ₹881.00 |
Count | N/A |
Brand Name | CentIoT |
Model | BM030-DD30CRTA-PBAC-3A12V |
Whoesale | Available |
Supply Voltage | N/A |
Output Voltage | N/A |
Color | N/A |
Dimension | N/A |