LTC4099 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC4099' PDF : 36 Pages View PDF
LTC4099
Typical Applications
USB/Wall Adapter Battery Charger with Dual Overvoltage Protection,
Reverse-Voltage Protection and Low Battery Start-Up
5V WALL ADAPTER
M1
R1
R2
USB
M2
D1
M1, M2, M5, M6: Si2333DS
M3, M4: NTLJS4114N
M3
C1
D3
2.2µF
0603
M5
D4
M4
D2
R3
6.2k
3
TO µC
TO µC
R4
100k
13
C2
22µF
0805
VBUS
1
OVGATE
5
WALL
20
15-17
8
3
OVSENSE
I2C
IRQ
NTCBIAS
LTC4099
L1
3.3µH
18 14
ACPR SW
12
VOUT
IDGATE 10
BAT 11
2 NTC
CLPROG
PROG GND BATSENS
SYSTEM
LOAD
M6
C4
22µF
0805
T
R5
100k
C3
0.1µF
0603
19
R6
3.01k
7 9, 21 6
R7
1.02k
+
Li-Ion
4099 TA03
32
Low Component Count Power Manager with High and Low Voltage Inputs
AUTOMOTIVE,
FIREWIRE, ETC.
USB
WALL ADAPTER
TO µC
TO µC
M1: Si2333DS
1
C1
VIN
4.7µF
50V
4 ILIM
R1
27.4k
GND
9
LT3653
VC HVOK
3
2
7
8
BOOST SW
ISENSE 6
VOUT 5
L2
3.3µH
C2
0.1µF
10V
D1
L1
4.7µH
13
C3
10µF
1
0805
20
3 15-17
8
3
R2
100k
2
R3
100k
4
VBUS VC
5
WALL
18
14
ACPR SW
OVGATE
OVSENS
I2C
IRQ
LTC4099
12
VOUT
10
IDGATE
M1
11
BAT
NTCBIAS
NTC
CLPROG PROG GND BATSENS
C4
0.1µF
0603
19
R4
3.01k
7
9, 21
R5
1.02k
6
+
Li-Ion
SYSTEM
LOAD
C5
22µF
0805
4099 TA05
4099fd
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