LTC1325 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1325 Datasheet PDF : 24 Pages
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BLOCK DIAGRAM
18
VDD
5V
DIGITAL
REGULATOR
DIGITAL INPUT CIRCUITS
PS
3.072V
ANALOG
REGULATOR
9
GND
5
CLK
4
CS
3
DIN
2
DOUT
SERIAL
I/O
10
CONTROL
LOGIC
BATP, BATR, FMCV,
FEDV, FHTF, FLTF, tOUT
7
MOD0 TO MOD1, PS
3
FAULT
DETECT
CIRCUITRY
2 PS, MSBF
3 DS0 TO DS1
SGL/DIFF
ANALOG AND DIGITAL VDD
ADC REFERENCE
tOUT
10-BIT
A/D CONVERTER
ADC
MUX
GAS GAUGE
DIV0 TO DIV3
4
5 MOD0 TO MOD1, VR0 TO VR1, PS
CHARGE
DIVIDER
TOUT
TIMEOUT LOGIC
3
TO0 TO TO2
PS
111kHz
OSCILLATOR
DR0 TO DR3 3
DUTY RATIO
GENERATOR
CHARGE LOOP
AND
GAS GAUGE
LTC1325 • BD
LTC1325
1
REG
16
DIS
6 LTF
8 HTF
7 MCV
12
VIN
13
TAMB
14
TBAT
15 VBAT
11
SENSE
10
FILTER
17
PGATE
TEST CIRCUITS
Load Circuit for tdDO, tr and tf
1.4V
DOUT
3k
100pF
LTC1325 • TC01
Load Circuit for tdis and ten
TEST POINT
DOUT
3k
100pF
5V tdis WAVEFORM 2, ten
tdis WAVEFORM 1
LTC1325 • TC02
7
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