LTC4058-4.2_15 Datasheet, PDF (12/12 Pages) Linear Technology – Standalone Linear Li-Ion Battery Charger with Thermal Regulation in DFN

LTC4058-4.2/LTC4058X-4.2
TYPICAL APPLICATIO S
Full Featured Single Cell Li-Ion Charger
V_IN
5V
1k 1k
6
7
V_CC
500mA
2
ACPR BAT
3 _{CHRG BSENSE} 1
4.7µF
LTC4058-4.2
8
EN
5
PROG
+ ^1-CELL
Li-Ion
BATTERY
GND
2k
1µF
4, 9
405842 TA03
Li-Ion Battery Charger with Reverse Polarity Input Protection
5V
WALL
ADAPTER
4.7µF
6
V_CC
2
BAT
1
BSENSE
LTC4058-4.2
8
EN
5
PROG
GND
4, 9
500mA
+
2k
1-CELL
Li-Ion
BATTERY
405842 TA04
5V WALL
ADAPTER
USB
POWER
USB/Wall Adapter Power Li-Ion Charger
2
I_BAT
BAT
BSENSE ¹
LTC4058-4.2
6 _VCC
5
1µF
PROG
GND
+
2.5k
Li-Ion
CELL
1k
4, 9 10k
100mA/
500mA
µC
405842 TA05
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC1732
Lithium-Ion Linear Battery Charger Controller
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication
LTC1733
Monolithic Lithium-Ion Linear Battery Charger
Standalone Charger with Programmable Timer, Up to 1.5A Charge Current
LTC1734
Lithium-Ion Linear Battery Charger in ThinSOT^TM Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
LTC1734L
LTC1998
Lithium-Ion Linear Battery Charger in ThinSOT
Lithium-Ion Low Battery Detector
Low Current Version of LTC1734; 50mA ≤ I_CHRG ≤ 180mA
1% Accurate 2.5µA Quiescent Current, SOT-23
LTC4007
4A Multicell Li-Ion Battery Charger
Standalone Charger, 6V ≤ V_IN ≤ 28V, Up to 96% Efficiency,
±0.8% Charging Voltage Accuracy
LTC4050
Lithium-Ion Linear Battery Charger Controller
Features Preset Voltages, C/10 Charger Detection and Programmable Timer,
Input Power Good Indication, Thermistor Interface
LTC4052
Monolithic Lithium-Ion Battery Pulse Charger
No Blocking Diode or External Power FET Required, ≤1.5A Charge Current
LTC4053
USB Compatible Monolithic Li-Ion Battery Charger Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
LTC4054
Standalone Linear Li-Ion Battery Charger
with Integrated Pass Transistor in ThinSOT
Thermal Regulation Prevents Overheating, C/10 Termination,
C/10 Indicator, Up to 800mA Charge Current
LTC4057
Li-Ion Linear Battery Charger
Up to 800mA Charge Current, Thermal Regulation, ThinSOT Package
LTC4410
USB Power Manager
For Simultaneous Operation of USB Peripheral and Battery Charging from USB
Port, Keeps Current Drawn from USB Port Constant, Keeps Battery Fresh, Use
with the LTC4053, LTC1733, or LTC4054
LTC4412
Low Loss PowerPath^TM Controller in ThinSOT
Automatic Switching Between DC Sources, Load Sharing,
Replaces ORing Diodes
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
sn405842 405842fs
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
LT/TP 1103 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003