LTC4100EGPBF LINER [Linear Technology], LTC4100EGPBF Datasheet - Page 9
LTC4100EGPBF
Manufacturer Part Number
LTC4100EGPBF
Description
Smart Battery Charger Controller
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC4100EGPBF.pdf
(30 pages)
- Current page: 9 of 30
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BLOCK DIAGRAM
V
IN
Q1
TO HOST AND BATTERY
CSP
R
CL
R1
V
BAT
SYSTEM
LOAD
1.13k
54.9k
L1
D1
10k
100Ω
C9
C1, 0.1μF
R4
C5, 0.1μF
Q2
Q3
0.01μF
20μF
C4
SMBALERT
CHGEN
BGATE
TGATE
PGND
INFET
DCIN
V
GND
CLN
SDA
THA
THB
CLP
SCL
SET
18
12
23
24
16
15
1
3
2
5
4
6
7
8
9
CLP
WATCHDOG
DCIN
DETECT t
OSCILLATOR
5.8V
10μA
LOGIC
PWM
11-BIT
ON
V
AND CONTROL
THERMISTER
DAC
1.28V
V
1.19V
INTERFACE
INTERFACE
DD
100mV
SMBus
–
+
+
–
Q
CL1
EA
S
R
gm = 1.5m
gm = 1m
Figure 2
0V
CLP
Ω
Ω
gm = 1m
I
CMP
I
REV
÷5
CA1
BUFFERED
+
+
–
–
Ω
I
DECODER
TH
LIMIT
CA2
–
+
–
+
+
–
10-BIT
I
DAC
1.19V
11.67μA
1.2V
17mV
3k
3k
9k
22
21
20
19
10
11
17 V
13
14
R
BAT
CSP
I
I
ACP
DCDIV
I
V
SENSE
DC
TH
LIM
DD
LIM
R11
R
C6, 0.12μF
CSP
TO SMBUS
POWER SUPPLY
VLIM
R5, 6.04k
C8
0.068μF
R10
LTC4100
20μF
R
ILIM
V
IN
V
BAT
C7
0.0015μF
4100fb
9
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