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LTC4011CFE#TRPBF

Description
Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP T/R
CategoryBattery management   
File Size545KB,26 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LTC4011CFE#TRPBF Overview

Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP T/R

LTC4011CFE#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeSwitching Battery Charger
Battery TypeNiCd|NiMH
Maximum Supply Current (mA)9
Minimum Operating Supply Voltage (V)4.5
Maximum Operating Supply Voltage (V)34
Output Voltage (V)5
Output Current (mA)4000(Max)
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)85
Supplier Temperature GradeCommercial
PackagingTape and Reel
Pin Count20
Standard Package NameSOP
Supplier PackageTSSOP EP
MountingSurface Mount
Package Height1.05(Max)
Package Length6.6(Max)
Package Width4.5(Max)
PCB changed20
Lead ShapeGull-wing
LTC4011
High Efficiency Standalone
Nickel Battery Charger
FeaTures
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
DescripTion
The LTC
®
4011 provides a complete, cost-effective nickel
battery fast charge solution in a small package using few
external components. A 550kHz PWM current source
controller and all necessary charge initiation, monitoring
and termination control circuitry are included.
The LTC4011 automatically senses the presence of a
DC adapter and battery insertion or removal. Heavily
discharged batteries are precharged with a trickle cur-
rent. The LTC4011 can simultaneously use both –∆V and
∆T/∆t fast charge termination techniques and can detect
various battery faults. If necessary, a top-off charge is
automatically applied to NiMH batteries after fast charg-
ing is completed. The IC will also resume charging if the
battery self-discharges after a full charge cycle.
All LTC4011 charging operations are qualified by actual
charge time and maximum average cell voltage. Charging
may also be gated by minimum and maximum temperature
limits. NiMH or NiCd fast charge termination parameters
are pin-selectable.
Integrated PowerPath control support ensures that the
system remains powered at all times without allowing load
transients to adversely affect charge termination.
Complete NiMH/NiCd Charger for 1 to 16 Cells
No Microcontroller or Firmware Required
550kHz Synchronous PWM Current Source Controller
No Audible Noise with Ceramic Capacitors
PowerPath™ Control Support
Programmable Charge Current: 5% Accuracy
Wide Input Voltage Range: 4.5V to 34V
Automatic Trickle Precharge
–∆V Fast Charge Termination
Optional ∆T/∆t Fast Charge Termination
Automatic NiMH Top-Off Charge
Programmable Timer
Automatic Recharge
Multiple Status Outputs
Micropower Shutdown
20-Lead Thermally Enhanced TSSOP Package
applicaTions
n
Integrated or Standalone Battery Charger
n
Portable Instruments or Consumer Products
n
Battery-Powered Diagnostics and Control
n
Back-Up Battery Management
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. PowerPath is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Typical applicaTion
2A NiMH Battery Charger
FROM
ADAPTER
5V
INFET
FAULT
CHRG
TOC
READY
10µF
2A NiMH Charge Cycle at 1C
4.7µH
10µF
0.1µF
0.033µF
0.068µF
4011fb


LTC4011CFE#TRPBF Related Products

LTC4011CFE#TRPBF LTC4011CFE#PBF LTC4011CFE#TR LTC4011CFE
Description Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP T/R Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP Tube Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP T/R Switching Battery Charger NiCd/NiMH 4000mA 5V 20-Pin TSSOP EP
EU restricts the use of certain hazardous substances Compliant Compliant Not Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Active Unconfirmed Unconfirmed
Type Switching Battery Charger Switching Battery Charger Switching Battery Charger Switching Battery Charger
Battery Type NiCd|NiMH NiCd|NiMH NiCd|NiMH NiCd|NiMH
Maximum Supply Current (mA) 9 9 9 9
Minimum Operating Supply Voltage (V) 4.5 4.5 4.5 4.5
Maximum Operating Supply Voltage (V) 34 34 34 34
Output Voltage (V) 5 5 5 5
Output Current (mA) 4000(Max) 4000(Max) 4000(Max) 4000(Max)
Maximum Operating Temperature (°C) 85 85 85 85
Supplier Temperature Grade Commercial Commercial Commercial Commercial
Pin Count 20 20 20 20
Standard Package Name SOP SOP SOP SOP
Supplier Package TSSOP EP TSSOP EP TSSOP EP TSSOP EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 1.05(Max) 1.05(Max) 1.05(Max) 1.05(Max)
Package Length 6.6(Max) 6.6(Max) 6.6(Max) 6.6(Max)
Package Width 4.5(Max) 4.5(Max) 4.5(Max) 4.5(Max)
PCB changed 20 20 20 20
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing
HTS 8542.39.00.01 8542.39.00.01 - 8542.39.00.01
Packaging Tape and Reel Tube Tape and Reel -
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