LTC4055-1_15 Datasheet, PDF (24/24 Pages) Linear Technology – USB Power Controller and Li-Ion Charger

LTC4055/LTC4055-1
TYPICAL APPLICATION
Adapter Diode Replaced with LTC4411 “Ideal Diode” for Improved Efficiency
ADAPTER
4.5V TO 5.5V
USB
4.35V TO 5.5V
C5
1μF
R10
35.8k
C1
10μF
R9
10k
LTC4411
1
V_IN
5
V_OUT
2 _GND
3
4
CTL STAT
C3
10μF
4
32
IN1 OUT BAT
5
WALL
6
SHDN
7
SUSP
LTC4055
8
HPWR
17
EXPOSED PAD
1
IN2
16
NTC
15 ^{R5 10k}
VNTC
14
CHRG
13
ACPR
CLPROG GND PROG TIMER
9
10 11 12
R2
105k
R3
68.1k
C2
0.1μF
4055 TA03
SYSTEM LOAD
OUTPUT
+Li-Ion
USB CURRENT 100mA-500mA
ADAPTER CURRENT 700mA
NTC
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
Battery Chargers
LTC4075HVX Dual Input USB/AC Adapter Li-Ion Battery Charger with
Overvoltage Protection
Both USB and AC Adapter Inputs Protected up to 22V, Standalone
Operation, 3mm × 3mm DFN
LTC4095
950mA USB Linear Lithium-Ion Battery Charger
2mm × 2mm DFN Package, thermal Regulation, Standalone Operation
LTC4097
USB/Wall Adapter Standalone Li-Ion/Polymer Battery Charger Dual Input, Thermal Regulation, 3mm × 2mm DFN
LTC4413
Dual Monolithic Ideal Diodes
3mm × 3mm DFN Package, Low Loss Replacement for ORing Diodes
Power Management
LTC4066/
LTC4066-1
USB Power Controller and Battery Charger
“Instant On” Operation, 50mΩ Ideal Diode, 4.1V Float Voltage
(LTC4066-1), 4mm × 4mm QFN24 Package
LTC4085/
LTC4085-1
USB Power Manager with Ideal Diode Controller and Li-Ion “Instant On” Operation, 200mΩ Ideal Diode with <50mΩ Option,
Charger
4.1V Float Voltage (LTC4085-1), 4mm × 3mm DFN14 Package
LTC4088
High Efficiency USB Power Manager and Battery Charger
Maximizes Available Power from USB Port, Bat-Track™, “Instant On”
Operation, 1.5A Max Charge Current, 180mΩ Ideal Diode with <50mΩ
Option, 3.3V/25mA Always-On LDO, 4mm × 3mm DFN14 Package
LTC4088-1/
LTC4088-2
High Efficiency USB Power Manager and Battery Charger with Maximizes Available Power from USB Port, Bat-Track, “Instant On”
Regulated Output Voltage
Operation, 1.5A Max Charge Current, 180mΩ Ideal Diode with <50mΩ
Option, Automatic Charge Current Reduction Maintains 3.6V V_OUT, No
3.3V LDO, 4mm × 3mm DFN14 Package
LTC4089/
LTC4089-5/
LTC4089-1
USB Power Manager with Ideal Diode Controller and High
Voltage High Efficiency Li-Ion Battery Charger
High Efficiency 1.2A Charger from 6V to 36V (40V Max) Input, 200mΩ
Ideal Diode with <50mΩ Option, 6mm × 3mm DFN22, Bat-Track Adaptive
Output Control (LTC4089), Fixed 5V Output (LTC4089-5), 4.1V Float
Voltage (LTC4089-1)
LTC4090/
LTC4090-5
USB Power Manager with Ideal Diode Controller and High
Voltage High Efficiency Li-Ion Battery Charger
High Efficiency 1.2A Charger from 6V to 38V (60V Max) Input (2A
Available to Load). 200mΩ Ideal Diode with <50mΩ Option, 6mm × 3mm
DFN22, Bat-Track Adaptive Output Control (LTC4089), Fixed 5V Output
(LTC4089-5)
Bat-Track is a trademark of Linear Technology Corporation.
4055fb
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
LT 1108 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004