UC2909-EP Description
The UC2909 controls lead acid battery charging with a highly efficient average current mode control loop. This chip bines charge state logic with average current PWM control circuitry. Charge state logic mands current or voltage control depending on the charge state.
UC2909-EP Key Features
- Accurate and Efficient Control of Battery Charging
- Average Current Mode Control from Trickle to Overcharge
- Resistor Programmable Charge Currents
- Thermistor Interface Tracks Battery Requirements Over Temperature
- Output Status Bits Report on Four Internal Charge States
- Undervoltage Lockout Monitors VCC and VREF