Suitable for 1-1000AH 12V Lead-Acid Battery charger.
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.
In over-charge and float charge mode, the regulation voltage is internally set.
The constant charge current is programmable with a single sense resistor.
Power supply voltage: 15-28VDC(Recommended 16-25VDC)
Over Charge Voltage: 14.8V
Float Charge Voltage: 13.55V
Maximum charge current: 3A
Quiescent current: Approx. 1.8mA
High PWM Switching Frequency: 300KHz
Operating Ambient Temperature: -40℃ to +85℃
Functions: Fixed Over-Charge Voltage, Overcurrent protection, Automatic Conditioning of Deeply Discharged Batteries, Automatic Recharge, Charger Status Indication, Battery Overvoltage Protection
Application: Car battery charging, Solar battery charging, Mobile Loadspeaker, Lead-Acid Battery Charger, Electric Bicycle Charger, UPS, Portable Industrial and Medical Equipment, Standalone Battery Chargers