LTC4012-2 Linear Technology Corporation, LTC4012-2 Datasheet - Page 28

• Manufacturer Part Number: LTC4012-2
• Description: Multi-Chemistry Battery Charger
• Manufacturer: Linear Technology Corporation

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RELATED PARTS
LTC4012/
LTC4012-1/LTC4012-2
28
PART NUMBER
LTC1760
LTC1769
LTC1960
LTC4006
LTC4007
LTC4008/LTC4008-1
LTC4009/LTC4009-1
LTC4009-2
LTC4010
LTC4011
LTC4060
LTC4100
LTC4110
LTC4150
LTC4411
LTC4412/LTC4412HV Low Loss PowerPath Controllers
LTC4413
LTC4414
LTC4416
ThinSOT is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
2A Switching Battery Charger
Dual Battery Charger/Selector with SPI
Small, High Effi ciency, Fixed Voltage, Lithium-Ion
Battery Chargers with Termination
High Effi ciency, Programmable Voltage, Lithium-Ion
Battery Charger with Termination
High Effi ciency, Programmable Voltage/Current Battery
Chargers
High Effi ciency, Multichemistry Battery Charger
High Effi ciency Standalone Nickel Battery Charger
High Effi ciency Standalone Nickel Battery Charger
Standalone Linear NiMH/NiCd Fast Charger
Smart Battery Charger Controller
Battery Backup Manager
Coulomb Counter/Battery Gas Gauge
2.6A Low Loss Idea Diode
Dual 2.6A, 2.5V to 5.5V Ideal Diodes
36V, Low Loss PowerPath Controller for Large PFETs
Dual Low Loss PowerPath Controllers
Smart Battery System Manager
●
FAX: [phone]
●
www.linear.com
COMMENTS
Autonomous Power Management and Battery Charging for Two Smart
Batteries, SMBus Rev 1.1 Compliant
Constant-Current/Constant-Voltage Switching Regulator, Input Current
Limiting Maximizes Charge Current
11-bit V-DAC, 0.8% Voltage Accuracy, 10-Bit I-DAC, 5% Current
Accuracy
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current
Limit and Thermistor Sensor, 16-pin SSOP Package
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current
Limit, Thermistor Sensor and Indicator Outputs
Constant-Current/Constant-Voltage Switching Regulator, Resistor
Voltage/Current Programming, Thermistor Sensor and Indicator
Outputs, AC Adapter Current Limit (Omitted on 4008-1)
Constant-Current/Constant-Voltage Switching Regulator in a 20-Lead
QFN Package, AC Adapter Current Limit, Indicator Outputs
Complete NiMH/NiCd Charger in a Small 16-Lead Package, Constant-
Current Switching Regulator
Complete NiMH/NiCd Charger in a Small 20-Lead Package, Constant-
Current Switching Regulator, PowerPath Control and Indicators
Complete NiMH/NiCd Charger in a Small 16-Pin Package, No Sense
Resistor or Blocking Diode Required
Level 2 Charger Operates with or without MCU Host, SMBus Rev 1.1
Compliant
Multi-Chemistry and Smart Battery Charge and Discharge Manager. Four
Operating Modes: Battery Backup, Battery Charge, Battery Calibration,
Shutdown. 5mm × 7mm QFN-38 Package
High Side Sense of Charge Quantity and Polarity in a 10-Pin MSOP
No External MOSFET, Automatic Switching Between DC sources, 140mΩ
On Resistance in ThinSOT
Very Low Loss Replacement for Power Supply ORing Diodes Using
Minimal External Complements, Operates up to 28V (36V for HV)
Low Loss Replacement for ORing Diodes, 100mΩ On Resistance
Low Loss Replacement for ORing Diodes, Operates up to 36V
Low Loss Replacement for ORing Diodes, Operates up to 36V, Drives
Large PFETs, Programmable, Autonomous Switching
TM
package
© LINEAR TECHNOLOGY CORPORATION 2009
LT 0509 • PRINTED IN USA
4012f