DS2770 Description
Sense Res., 4.1V Charge Voltage TSSOP, Ext. 1 of 27 DS2770 DESCRIPTION The DS2770 battery monitor and charge controller performs several functions needed for thorough battery maintenance. When used in conjunction with the host system’s processor, a battery-pack resident DS2770 may be utilized for applications that include charging, remaining capacity estimation, safety monitoring, and nonvolatile (NV) parametric...
DS2770 Key Features
- Integrated charge controller supporting both rechargeable lithium and NiMH battery technologies Available in two configu
- Internal 25mW current-sense resistor
- External user-selectable sense resistor Current measurement
- 15-bit bidirectional measurement
- Internal sense resistor configuration: 62.5mA LSB and ±2A dynamic range
- External sense resistor configuration: 1.56mV LSB and ±51.2mV dynamic range Current accumulation
- Internal sense resistor: 0.25mAh LSB
- Active current: 80mA typical
- Sleep current: 0.5mA typical
- PIN DESCRIPTION