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LT1510CS#PBF - 

Battery Charger for 12 Cells of Li-Ion, NiCd, NiMH battery, 28V input, 20V / 1.5A charge, SOIC-16

LINEAR TECHNOLOGY LT1510CS#PBF

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Manufacturer Part No:
LT1510CS#PBF
Order Code:
1663443
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1510CS#PBF is a constant-voltage/constant-current Battery Charger with switching frequency as high as 500kHz. This current mode PWM battery charger is the smallest, simplest, most efficient solution to fast-charge modern rechargeable batteries. The 0.1ohms onboard current sense resistor makes the charging current programming very simple. The LT1510 with 0.5% reference voltage accuracy meets the critical constant-voltage charging requirement for lithium cells. It can charge batteries ranging from 2 to 20V. Ground sensing of current is not required and the battery's negative terminal can be tied directly to ground. A saturating switch running at 200kHz gives high charging efficiency and small inductor size. A blocking diode is not required between the chip and the battery because the chip goes into sleep mode and drains only 3µA when the wall adaptor is unplugged. Soft-start and shutdown features are also provided.
  • Charges nickel-cadmium (NiCd), nickel-metal-hydride (NiMH) and Lithium-ion (Li-ion) batteries
  • Only one 1/10W resistor is needed to program charging current
  • High efficiency current mode PWM with 1.5A internal switch and sense resistor
  • 3% Typical charging current accuracy
  • Precision 0.5% voltage reference for voltage mode charging or overvoltage protection
  • Current sensing can be at either terminal of the battery
  • Low reverse battery drain current (3µA)
  • Charging current soft-start
  • Shutdown control

Applications

Power Management

Product Information

:
Li-Ion, NiCd, NiMH
:
28V
:
20V
:
1.5A
:
SOIC
:
16Pins
:
12
:
0°C
:
70°C
:
Each
:
-
:
MSL 1 - Unlimited
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