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| LTC4015_15 Datasheet, PDF (74/76 Pages) Linear Technology – Multichemistry Buck Battery Charger Controller with Digital Telemetry System | |||
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LTC4015
Typical Applications
Application Circuit 1: Li-Ion Battery Charger, 2 = Cell, 8A (Typical Performance Characteristics)
VIN
4.5V TO 35V
64.9k
±1%
10k
±1%
2.2nF
10k
100pF
µCONTROLLER
INTVCC
RCCREF
100nF
RT
1nF
200Ω
220nF
M3
RSNSI
10µF
1nF 1µF
330nF 100nF 10µF 10µF C1
VIN INFET CLP
CLN
UVCLFB
SMBALERT
DVCC
SCL
SDA
EQ
LTC4015
MPPT
CELLS0
CELLS1
CELLS2
CHEM0
CHEM1
SYS SYSM5
OUTFET
INTVCC
DRVCC
BOOST
TG
SW
BG
2P5VCC
CSPM5
RT
CSP
VC
CSN
CCREFP
CCREFM
SGND
(PADDLE)
GND
BATSENS
NTCBIAS
NTC
10µF
D1
0.47µF
2.2µF
330nF
1nF
RNTCBIAS
M2
L1
10µH
M1
BATTERY
PACK
T RNTC
SYSTEM
M4
RSNSB
10µF
10µF
4015 TA02
RT: 95.3k ±1%
RCCREF: 301kΩ, 0.1%, 25ppm/C°, SUSUMU, RG1608P-3013-B-TS
RSNSI: 3mΩ, SUSUMU, KRL3216T4-M-R003-F
RSNSB: 4mΩ, SUSUMU, KRL3216T4-M-R004-F
RNTCBIAS: 10k ±1%
RNTC: VISHAY NTCS0402E3103FLT
L1: 10µH, COIL CRAFT XAL8080_103ME OR WÃRTH ELEKTRONIK 7443321000
M1, M2: FAIRCHILD FDMC8030 (DUAL)
M3: FAIRCHILD FDMC8327L
M4: VISHAY Si7611DN
D1: DIODES INC 1N4448HLP
C1: 120µF 40V, 40HVH120M
4015f
74
For more information www.linear.com/LTC4015
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