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LLTC4100EG 데이터 시트보기 (PDF) - Linear Technology
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LLTC4100EG
Smart Battery Charger Controller
Linear Technology
LLTC4100EG Datasheet PDF : 30 Pages
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Block Diagram
LTC4100
V
BAT
R4
100Ω
C4
0.01µF
V
SET
18
C5, 0.1µF
GND
12
SYSTEM
LOAD
20µF
L1
CSP
Q2
CLP
TGATE
1
D1
Q3
R1
R
CL
C9
Q1
V
IN
C1, 0.1µF
BGATE
3
PGND
2
CLN
23
CLP
24
DCIN
5
INFET
4
CHGEN 6
SMBALERT
7
11-BIT
V
DAC
DCIN
1.28V
OSCILLATOR
WATCHDOG
DETECT t
ON
1.19V
0V
–
gm = 1m
EA
+
S
QR
PWM
LOGIC
100mV
gm = 1.5m
+
CL1
–
5.8V
CLP
V
DD
10µA
TO HOST AND BATTERY
1.13k
54.9k
10k
SDA
8
SCL 9
16
THA
THB
15
SMBus
INTERFACE
AND CONTROL
THERMISTER
INTERFACE
+
CA1
+
BUFFERED
÷5
I
TH
–+
I
CMP
3k
11.67µA
3k
9k
BAT
22
R
SENSE
CSP
21
CSP
V
BAT
20µF
I
REV
17mV
CA2
gm = 1m
1.19V
10-BIT
I
DAC
1.2V
I
DC
20
C8
0.068µF
19
I
TH
R5, 6.04k
C6, 0.12µF
10 ACP
11
DCDIV
R11
V
IN
R10
C7
0.0015µF
17 V
DD
TO SMBUS
POWER SUPPLY
LIMIT
DECODER
13
I
LIM
14
V
LIM
R
VLIM
R
ILIM
Figure 2
For more information
www.linear.com/LTC4100
4100fc
9
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