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LTC4052-4.2_15 Datasheet, PDF (10/12 Pages) Linear Technology – Lithium-Ion Battery Pulse Charger with Overcurrent Protection
LTC4052-4.2
TYPICAL APPLICATIO
External N-MOSFET for Higher Charge Current
VIN = 5V TO 10V WITH 2A CURRENT LIMIT
MBRS120T3
4.7Ω
1µF
AC
PRESENT
1k
STATUS
CHARGE
STATUS
3
VIN
10k
1k
LTC4052
0.047µF
6
CHRG
2
ACPR
1
SENSE
7
GATE
8
BAT
0.022µF
TIMER GND
CTIMER
5
4
0.1µF
RSENSE
25mΩ
Si2302DS
1-CELL 4.2V
Li-Ion
BATTERY
4052 TA03
405242f
10