PS810 Datasheet | Microchip Technology

.. Li Ion Single Cell Fuel Gauge Hardware Features - Highly accurate fuel gauge for single cell Li Ion applications - Algorithms are implemented using an embedded PIC18 low-power microcontroller with 16-bit instruction set - Reports current, voltage and temperature utilizing a programmable 8 to15-bit + sign, sigma-delta ADC - Host munication acplished through an industry standard SMBus interface or an alternative single pin serial interface - I/O pins are available to provide functions such as digital GPIO, coin cell voltage measurement and thermistor input - Integrated temperature sensor and regulator minimize external ponents - Embedded fuel gauge algorithms and application specific parameters are stored in a 4K x 16 Flash memory - 512 bytes of RAM are available for temporary storage of battery parameters Pin Description 16-pin QFN (4 mm x 4 mm) SDA/SPS IO6 SCL/IO0 16 15 14 13 NTC/IO2 VCOIN/IO3 VFILTER MCLR 1 2 3 4 5 6 VC1 N/C 7 8 N/C ROSC 12 IO5 IO4 GND SR 11 10 9 14-pin TSSOP SCL/IO0 IO1 NTC/IO2 VCOIN/IO3 VFILTER MCLR VC1 1 2 14 13 SDA/SPS IO6 IO5 IO4 GND SR ROSC 3 4 5 6 7 IO1 12 11 10 9 8 Software Features - Provides battery status, such as average time to empty, relative State-Of-Charge and battery State-Of-Health - In-system offset calibration pensates for offset error in current measurement Package Features - 16-pin QFN package or 14-pin TSSOP package - -20°C to +85°C operating temperature range PRODUCT OVERVIEW To provide precise measurements of current, voltage and temperature, the PS810 integrates a highly accurate 15-bit + sign, sigma-delta A/D converter. Based upon operating conditions, this programmable converter can be configured to measure specific battery parameters with a resolution of 8 to 15 bits + sign. Precision measurements bined with advanced algorithms provide accurate indications of capacity, run time, State-Of-Health and safety and charge/discharge conditions. The ability...