LTC4015_15 Datasheet, PDF (76/76 Pages) Linear Technology – Multichemistry Buck Battery Charger Controller with Digital Telemetry System

LTC4015
Typical Application
V_IN
SOLAR
PANEL
Solar Lead-Acid Battery Charger, 6-Cell 10.7A
294k
2.2nF
±1%
10k
M3
R_SNSI
10µF
1nF 1µF
330nF 100nF 10µF 10µF C1
SYSTEM
10k
±1%
100pF
µCONTROLLER
INTV_CC
R_CCREF
R_T
200Ω
220nF
1nF
100nF
V_IN ^{INFET CLP}
CLN
UVCLFB
SMBALERT
DV_CC
SCL
SDA
EQ
LTC4015
MPPT
CELLS0
CELLS1
CELLS2
CHEM0
CHEM1
RT
V_C
SYS SYSM5
OUTFET
INTV_CC
DRV_CC
BOOST
TG
SW
BG
2P5V_CC
CSPM5
CSP
CSN
CCREFP
CCREFM
SGND
(PADDLE)
GND
BATSENS
NTCBIAS
NTC
D1
10µF
C_B
0.47µF
2.2µF
330nF
1nF
R_NTCBIAS
M4
M2
L1, 10µH
M1
R_SNSB
BATTERY
PACK
T R_NTC
10µF
10µF
R_T: 95.3k ±1%
R_CCREF: 301kΩ, ±0.1%, 25ppm/C°, SUSUMU RG1608P-3013-B-T5
R_SNSI: 3mΩ, VISHAY WSK06123L000FEA (10.7A INPUT CURRENT LIMIT)
R_SNSB: 3mΩ, VISHAY WSK06123L000FEA
R_NTCBIAS: 10k ±1%
R_NTC: VISHAY NTCS0402E3103FLT
4015 TA03
L1: 10µH, COIL CRAFT XAL1010_103ME OR WÜRTH ELEKTRONIK 7443321000
M1, M2: FAIRCHILD FDMC8030 (DUAL)
M3: FAIRCHILD FDMC8327L
M4: VISHAY Si7611DN
D1: DIODES INC 1N4448HLP
C1: 120µF 40V, 40HVH120M
Related Parts
PART NUMBER
DESCRIPTION
COMMENTS
LT3651-4.X/
LT3651-8X
Monolithic 4A Switch Mode
Synchronous 1-Cell Li-Ion Battery
Charger
Standalone, 4.75V ≤ V_IN ≤ 32V (40V Abs Max), 1MHz, 4A, Programmable Charge Current
Timer or C/10 Termination, 5mm × 6mm QFN-36 Package
LT3652/LT3652HV
LTC4012/LTC4012-1/
LTC4012-2/
LTC4012-3
Power Tracking 2A Buck Battery
Charger
Input Supply Voltage Regulation Loop for Peak Power Tracking in (MPPT) Solar Applications,
Standalone, 4.95V ≤V_IN ≤ 32V (40V Abs Max), 1MHz Timer or C/10 Termination, 3mm ×
3mm DFN-12 Package and MSOP-12 Packages, LT3652HV Version Up to V_IN = 34V
4A, High Efficiency, Multi-Chemistry PowerPath Control, Resistor Voltage/Current Programming, 1 to 4 Cell Li, Up to 18 Cell Ni,
Battery Charger with PowerPath SLA and Supercap Compatible; 4mm × 4mm QFN-20 Package, –1 Version for 4.1V Li Cells,
Control
–2 Version for 4.2V Li Cells, –3 Version has Extra GND Pin
LTC4020
55V Buck-Boost Multi-Chemistry
Battery Charger
Constant-Current/Constant-Voltage Buck-Boost Switching Controller Regulator Charger,
5mm × 7mm QFN-38 Package
LTC4121/
LTC4121-4.2
LTC4155
Multi-Chemistry Buck Battery
Charger
Dual Input Power Manager/3.5A
Li-Ion Battery Charger
Constant-Current/Constant-Voltage 400mA Monolithic Buck Switching Regulator Charger,
4.4V ≤ V_IN ≤ 40V, 3mm × 3mm QFN-16 Package
High Efficiency, Monolithic Switching Regulator, 4mm × 5mm QFN-28 Package
4015f
76 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC4015}
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LT 0615 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2015