Rainbow Electronics DS2778 - Manual (Page 8)

DS2775/DS2776/DS2777/DS2778
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
8 _______________________________________________________________________________________
Block Diagram
Li+
PROTECTOR
POWER-MODE
CONTROL
VOLTAGE
CURRENT
10-BIT + SIGN
ADC/MUX
FuelPack™
ALGORITHM
FET DRIVERS
CHARGE
PUMP
15-BIT + SIGN
ADC
TEMPERATURE
PRECISION ANALOG
OSCILLATOR
VREF
PIN
DRIVERS
AND
POWER
SWITCH
CONTROL
PIO LOGIC
COMMUNICATION
INTERFACE
DS2775–DS2778
CONTROL AND
STATUS REGISTERS
16-BYTE USER
EEPROM
32-BYTE
PARAMETER
EEPROM
PLS
VOLTAGE
REGULATOR
V
DD
VB
VB INTERNAL
CC
DC
CP
V IN2
V IN1
SNS
SDA/DQ
SCL/OVD
PIO
V SS
FuelPack is a trademark of Maxim Integrated Products, Inc.