LTC4099EPDC データシートの表示（PDF） - Linear Technology
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LTC4099EPDC Datasheet PDF : 36 Pages
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LTC4099
Typical Application
High Efficiency USB/Automotive Battery Charger with Overvoltage Protection and Low Battery Start-Up
AUTOMOTIVE,
FIREWIRE, ETC.
USB
M1: NTLJS4114N
M2: Si2333DS
1
C1
VIN
4.7µF
50V
4 ILIM
R1
27.4k
GND
9
7
8
BOOST SW
LT3653
VC HVOK
3
2
ISENSE 6
5
VOUT
L2
3.3µH
C2
0.1µF
10V
L1
4.7µH
D2
4
5
18 14
M1
C3 13 VBUS
VC
WALL ACPR SW
22µF
R2
6.2k
3
TO µC
TO µC
0805 1
20
15-17
8
OVGATE
OVSENS
I2C
IRQ
LTC4099
12
VOUT
IDGATE 10
M2
BAT 11
3 NTCBIAS
R3
100k
2
NTC CLPROG PROG GND BATSENS
T
R4
100k
C4
0.1µF
0603
19
R5
3.01k
7 9, 21 6
R6
1.02k
+
Li-Ion
SYSTEM
LOAD
C5
22µF
0805
4099 TA06
Related Parts
PART NUMBER
LTC3555/
LTC3555-1/
LTC3555-3
LTC3576/
LTC3576-1
LTC4088
LTC4090/
LTC4090-5
LTC4095
LTC4098
LTC4413
DESCRIPTION
Switching USB Power Manager
with Li-Ion/Polymer Charger,
Triple Synchronous Buck
Converter + LDO
Switching Power Manager
with USB On-The-Go + Triple
Step-Down DC/DCs
High Efficiency USB Power
Manager and Battery Charger
High Voltage USB Power
Manager with Ideal Diode
Controller and High Efficiency
Li-Ion Battery Charger
Standalone USB Li-Ion/Polymer
Battery Charger
High Efficiency USB Power
Manager and Battery Charger with
Regulated Output Voltage
Dual Ideal Diodes
COMMENTS
Complete Multifunction PMIC: Switchmode Power Manager and Three Buck Regulators +
LDO, Charge Current Programmable Up to 1.5A from Wall Adapter Input, Synchronous Buck
Converters Efficiency > 95%, ADJ Outputs: 0.8V to 3.6V at 400mA/400mA/1A, Bat-Track
Adaptive Output Control, 200mΩ Ideal Diode; 4mm × 5mm QFN-28 Package
Complete Multifunction PMIC: Bidirectional Switching Power Manager and Three Buck
Regulators + LDO, ADJ Output Down to 0.8V at 400mA/400mA/1A, Overvoltage Protection,
USB On-The-Go, Charge Current Programmable Up to 1.5A from Wall Adapter Input, Thermal
Regulation, I2C, High Voltage Bat-Track Buck Interface, 180mΩ Ideal Diode; 4mm × 6mm
QFN-38 Package
Maximizes Available Power From USB Port, Bat-Track, Instant-On Operation, 1.5A Maximum
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, 3.3V/25mA Always-On LDO,
3mm × 4mm DFN Package
High Efficiency 1.2A Charger from 6V to 38V (60V max) Input Charges Single-Cell Li-Ion
Batteries Directly from a USB Port, Thermal Regulation; 200mΩ Ideal Diode with <50mΩ
Option, Bat-Track Adaptive Output Control; LTC4090-5 Has No Bat-Track, 3mm × 6mm
DFN-22 Package.
950mA Charge Current, Timer Termination + C/10 Detection Output 4.2V, ±0.6% Accurate
Float Voltage, Four CHRG Pin Indicator States, 2mm × 2mm DFN Package
Maximizes Available Power from USB Port, Bat-Track, Instant-On Operation, 1.5A Maximum
Charge Current, 180mΩ Ideal Diode with <50mΩ Option, Automatic Charge Current Reduction
Maintains 3.6V Minimum VOUT, 3mm × 4mm UTQFN-20 Package
Low Loss Replacement for ORing Diodes, 3mm × 3mm DFN Package
36 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
4099fd
LT 0310 REV C • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2008
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