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| LTC4010 Datasheet, PDF (16/20 Pages) Linear Integrated Systems – High Efficiency Standalone Nickel Battery Charger | |||
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LTC4010
APPLICATIO S I FOR ATIO
FROM
ADAPTER
5.5V TO 34V
V+
10µF
LTC4010
VCC
FAULT TGATE
CHRG
READY
BGATE
PAUSE
FROM MCU
49.9k
TIMER PGND
SENSE
GND
CHEM BAT
VCDIV
VCELL
10k
33nF
INTVDD VTEMP
0.1µF
68nF
10µH
0.1â¦
10µF
TO
SYSTEM
LOAD
NiCd PACK
WITH 10k NTC
4010 F08
Figure 8. LTC4010 with MCU Interface
SHDN
DCIN
PRECHARGE
VCC = 4.25V
READY
FAST CHARGE
TOP-OFF
AUTO
RECHARGE
SHDN
VCDIV
TGATE
0.9V
VCELL
VTEMP
(PAUSE)
CHRG
200mV
EXTERNAL
PAUSE
4010 F09
Figure 9. Charging Waveforms Example
16
4010p
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