STC3100 Datasheet, PDF (2/21 Pages) STMicroelectronics – Battery monitor IC with Coulomb counter/gas gauge

Block diagram
1
Block diagram
Figure 1. STC3100 internal block diagram
STC3100
VCC
SCL
SDA
Accumulators and
control registers
1.2 V
reference
32 kHz
time base
Oscillator
AD converter
11 bits (unsigned)
MUX
Temp sensor
AD converter
12 / 14 bits (signed)
CG+
CG-
ROSC
VIN
CG
General-purpose I/O line
IO0
I2C interface
RAM & ID registers
GND
AM00830
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