LTC4052-4.2
TYPICAL APPLICATIO S
External N-MOSFET for Higher Charge Current
V
IN
= 5V TO 10V WITH 2A CURRENT LIMIT
MBRS120T3
3
4.7Ω
1µF
AC
PRESENT
STATUS
CHARGE
STATUS
1k
1k
V
IN
LTC4052
SENSE
6
2
CHRG
ACPR
TIMER
C
TIMER
0.1µF
5
GATE
BAT
GND
4
1
7
8
0.022µF
1-CELL 4.2V
Li-Ion
BATTERY
Si2302DS
10k
0.047µF
R
SENSE
25mΩ
PACKAGE DESCRIPTIO
2.794
±
0.102
(.110
±
.004)
0.889
±
0.127
(.035
±
.005)
5.23
(.206)
MIN
2.083
±
0.102 3.2 – 3.45
(.082
±
.004) (.126 – .136)
0.42
±
0.04
(.0165
±
.0015)
TYP
0.65
(.0256)
BSC
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
RELATED PARTS
PART NUMBER DESCRIPTION
LT1510-5
LTC1729
LTC1730
LTC1731
LTC1732
LTC1733
500kHz CC/CV Battery Charger
Termination Controller for Li-Ion
Li-Ion Battery Pulse Charger with Thermistor Interface
Li-Ion Battery Charger Controller
Li-Ion Battery Charger Controller
Li-Ion Battery Charger with Thermal Regulation
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
Time or Charge Current Termination, Automatic Charger/Battery
Detection Status Output, Preconditioning, 8-Lead MSOP
Battery Temperature Sensing, FAULT Output, SO-8 and SSOP-16 Packages
CC/CV Charges Li-Ion Cells, 8-Lead MSOP
CC/CV Charges Li-Ion Cells, Automatic Battery Detection, 10-Lead MSOP
Standalone Charger, Constant-Current/Constant-Voltage/
Constant-Temperature, Integrated MOSFET, No External Sense Resistor
or Blocking Diodes
Only Two External Components, Up to 700mA I
CHARGE
, No Reverse
Current Diode Required, No Sense Resistor Required
Drives External MOSFET, 10-Lead MSOP
405242i
LT/TP 0702 1.5K • PRINTED IN USA
LTC1734
LTC4050
ThinSOT
TM
Li-Ion Battery Charger
Li-Ion Battery Charger Controller with Thermistor Interface
ThinSOT is a trademark of Linear Technology Corporation
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
q
FAX: (408) 434-0507
q
U
U
Minimum Component Count 4.2V Li-Ion Battery Charger
V
IN
= 5V TO 10V WITH 600mA CURRENT LIMIT
3
V
IN
LTC4052
SENSE
NC
NC
6
2
CHRG
ACPR
TIMER
C
TIMER
0.1µF
5
GATE
BAT
GND
4
1-CELL 4.2V
600mA
Li-Ion BATTERY
4052 TA04
10k
0.047µF
1
7
8
0.022µF
4052 TA03
MS8E Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1662)
3.00
±
0.102
(.118
±
.004)
(NOTE 3)
RECOMMENDED SOLDER PAD LAYOUT
DETAIL “A”
0° – 6° TYP
4.88
±
0.1
(.192
±
.004)
3.00
±
0.102
(.118
±
.004)
NOTE 4
8
7 6 5
0.52
(.206)
REF
BOTTOM VIEW OF
EXPOSED PAD OPTION
1
2.06
±
0.102
(.080
±
.004)
1.83
±
0.102
(.072
±
.004)
0.254
(.010)
GAUGE PLANE
0.53
±
0.015
(.021
±
.006)
DETAIL “A”
0.18
(.077)
1
1.10
(.043)
MAX
2 3
4
0.86
(.34)
REF
8
SEATING
PLANE
0.22 – 0.38
(.009 – .015)
0.65
(.0256)
BCS
0.13
±
0.05
(.005
±
.002)
MSOP (MS8E) 1001
www.linear.com
©
LINEAR TECHNOLOGY CORPORATION 2001
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
