LTC4012CUF#PBF Switching Battery Chargers by Analog Devices

Status: Production
Series: LTC4012
RoHS: Compliant
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The LTC4012 is a constant-current /constant-voltage battery charger controller. It uses a synchronous quasi-constant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by external resistors and can be monitored as an output voltage. With no built-in termination, the LTC4012 family charges a wide range of batteries under external control.The LTC4012 features fully adjustable output voltage, while the LTC4012-1 and LTC4012-2 can be pin-programmed for Lithium-Ion/Polymer battery packs of 1-, 2-, 3- or 4-series cells. The LTC4012-1 provides output voltage of 4.1V/cell and the LTC4012-2 is a 4.2V/cell version.The device includes AC adapter input current limiting, which maximizes charge rate for a fixed input power level. An external sense resistor programs the input current limit, and the ICL status pin indicates reduced charge current as a result of AC adapter current limiting. Ideal diode control at the adaptor input improves charger efficiency.The CHRG status pin is active during all charging modes, including special indication for low charge current. Vfloat Vfloat Range /ACP Pin LTC4012 Adj. 2V-28V Yes LTC4012-1 4.1V 1-4 Li-Ion Cells Yes LTC4012-2 4.2V 1-4 Li-Ion Cells Yes LTC4012-3 Adj. 2V-28V No

Where to Buy

Prices starting from US$4.17

Distributor Stock
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Newark Electronics
from US$4.17
121
in stock
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element14
from US$6.77
90
in stock
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Farnell
from US$6.29
90
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Richardson RFPD
from US$5.77
0
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Features

General Purpose Battery Charger Controller
Efficient 550kHz Synchronous Buck PWM Topology
±0.5% Output Float Voltage Accuracy
Programmable Charge Current: 4% Accuracy
Programmable AC Adapter Current Limit: 3% Accuracy
No Audible Noise with Ceramic Capacitors
INFET Low Loss Ideal Diode PowerPath™ Control
Wide Input Voltage Range: 6V to 28V
Wide Output Voltage Range: 2V to 28V
Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting
Analog Charge Current Monitor
Micropower Shutdown
20-Pin 4mm × 4mm × 0.75mm QFN Package

Last 6 months Inventory & Pricing History


Alternative Descriptions

Battery Charger, Lead Acid/Lifepo4, 12A | Newark Electronics
BATTERY CHARGER, LEAD ACID/LIFEPO4, 12A | element14
Switching Battery Charger Controller Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 12000mA 2V to 28V 20-Pin QFN EP Tube | Richardson RFPD


LTC4012CUF#PBF Semiconductors - ICs by Linear Technology

BATT CHARGER 550KHZ 20QFN

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Battery Type Li-Ion Li-Pol
Input Voltage 28V
Battery Charge Voltage 28V
Charge Current Max -
Battery IC Case Style QFN
No. of Pins 20Pins
No. of Series Cells 4
Operating Temperature Min 0°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Operating Temperature Range 0°C to +85°C

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LTC4012CUF#PBF?

Additional datasheets, footprints and schematics for LTC4012CUF#PBF are listed on our Part Details page. You can also find images and similar parts to LTC4012CUF#PBF on this page.

What pricing and inventory information can I view?

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What category does LTC4012CUF#PBF fall under?

The LTC4012CUF#PBF is listed under Switching Battery Chargers.

Can I view similar or alternative parts?

You can view similar parts to LTC4012CUF#PBF when available in the Switching Battery Chargers range under the specifications section at the bottom of the details page.

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Is the LTC4012CUF#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for LTC4012CUF#PBF have stock available?

Authorised distributors including Newark Electronics, element14, Farnell and Richardson RFPD have stock available or on a lead time for LTC4012CUF#PBF.

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