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LTC1325CN データシートの表示(PDF) - Linear Technology
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LTC1325CN
Microprocessor-controlled battery management system
Linear Technology
LTC1325CN Datasheet PDF : 24 Pages
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BLOCK DIAGRAM
18
V
DD
5V
DIGITAL
REGULATOR
DIGITAL INPUT CIRCUITS
PS
3.072V
ANALOG
REGULATOR
9
GND
5
CLK
4
CS
3
D
IN
2
D
OUT
SERIAL
I/O
10
CONTROL
LOGIC
BATP, BATR, FMCV,
FEDV, FHTF, FLTF, t
OUT
7
MOD0 TO MOD1, PS
3
FAULT
DETECT
CIRCUITRY
2 PS, MSBF
3
DS0 TO DS1
SGL/DIFF
ANALOG AND DIGITAL V
DD
ADC REFERENCE
t
OUT
10-BIT
A/D CONVERTER
ADC
MUX
GAS GAUGE
DIV0 TO DIV3
4
5 MOD0 TO MOD1, VR0 TO VR1, PS
CHARGE
DIVIDER
T
OUT
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
V
IN
13
T
AMB
14
T
BAT
15
V
BAT
11
SENSE
10
FILTER
17
PGATE
TEST CIRCUITS
Load Circuit for t
dDO
, t
r
and t
f
1.4V
D
OUT
3k
100pF
LTC1325 • TC01
Load Circuit for t
dis
and t
en
TEST POINT
D
OUT
3k
100pF
5V t
dis
WAVEFORM 2, t
en
t
dis
WAVEFORM 1
LTC1325 • TC02
7
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