LTC4000 - New Concept in BIG Battery Charging

New Concept in BIG Battery Charging
Complete Solution: PowerPath Control & Termination with No Software
TM
12A
CC
to
CV
10A
®
IBAT (V)
8A power manager which, when paired with a DC/DC converter, becomes a
The LTC 4000 is a high voltage controller and
full-featured battery charger solution. The LTC4000
is capable of driving virtually
any topology, including buck, boost,
6A
Constant
Pre-Charge
Constant Current
Voltage
buck-boost, SEPIC and flyback converters. Its
intelligent
PowerPath
manager
provides
power to the system load when
(CC)
(CV)
4A
input power is available, enabling instant-on2A operation even with a deeply discharged battery. A full-featured controller,
the LTC4000 can charge a variety of battery types including lithium, nickelTermination
and lead acid-based chemistries. Highly accurate
0A
6
7 termination,
8
9
10
11
12 accurate charging.
charge current and float voltage, as well as on-board
ensure
safe
and
VBAT (V)
Charge Current Profile vs VBAT
Features
•Input/Output Voltage: 3V to 60V
•Charge Currents up to 20A
•Input Ideal Diode for Low Loss
Reverse Blocking and Load Sharing
•Programmable Input and Charge
Current: ±1% Accuracy
•±0.2% Accurate Programmable Float
Voltage
•Programmable C/X or Timer-Based
Charge Termination
•NTC Input for Temperature Qualified
Charging
12A
Info & Free Samples
www.linear.com/product/LTC4000
CC
to
CV
10A
1-800-4-LINEAR
8A
IBAT (V)
6A
Pre-Charge
Constant Current
(CC)
4A
Constant
Voltage
(CV)
2A
Termination
0A
6
7
8
9
10
VBAT (V)
VFLOAT = 10.8V
11
12
, LT, LTC, LTM, Linear Technology and the Linear logo are
registered trademarks and PowerPath is a trademark of Linear
Technology Corporation. All other trademarks are the property of
their respective owners.