UB244A Overview
The UTC UB244A Series is secondary protection IC for 1-, 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB244A Series also includes a high accuracy delay circuit for over voltage detection time can be set by an external capacitor.
UB244A Key Features
- High-accuracy voltage detection circuit for each cell
- Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps)
- Delay times for overcharge detection can be set by an external capacitor
- CMOS output active “H”
- Wide operating voltage range 3.6V to 24V
- Wide operating temperature range -40°C to +85°C
- Low current consumption: 1.5μA typ. (+25°C) at 3.5V for each cell
- ORDERING INFORMATION