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LTC4090EDJC-5#TRPBF

Description
USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP T/R
File Size473KB,30 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LTC4090EDJC-5#TRPBF Overview

USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP T/R

LTC4090EDJC-5#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
FunctionUSB Power Manager
Switching Frequency (kHz)240|1150|2700
Minimum Operating Supply Voltage (V)4.35
Maximum Operating Supply Voltage (V)5.5
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTape and Reel
Maximum Storage Temperature (°C)125
Minimum Storage Temperature (°C)-65
Standard Package NameDFN
Pin Count22
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length6
Package Width3
PCB changed22
Lead ShapeNo Lead
FEATURES
n
n
LTC4090/LTC4090-5
USB Power Manager with
2A High Voltage Bat-Track
Buck Regulator
DESCRIPTION
The
LTC
®
4090/LTC4090-5
are USB power managers plus
high voltage Li-Ion/Polymer battery chargers. The devices
control the total current used by the USB peripheral for
operation and battery charging. Battery charge current
is automatically reduced such that the sum of the load
current and the charge current does not exceed the pro-
grammed input current limit. The LTC4090/LTC4090-5
also accommodate high voltage power supplies, such as
12V AC/DC wall adapters, Firewire, or automotive power.
The LTC4090 provides a Bat-Track adaptive output that
tracks the battery voltage for high efficiency charging from
the high voltage input. The LTC4090-5 provides a fixed 5V
output from the high voltage input to charge single-cell
Li-Ion batteries. The charge current is programmable and an
end-of-charge status output (CHRG) indicates full charge.
Also featured are programmable total charge time, an NTC
thermistor input used to monitor battery temperature while
charging and automatic recharging of the battery.
L,
LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
and Bat-Track, PowerPath and ThinSOT are trademarks of Analog Devices, Inc. All other
trademarks are the property of their respective owners.
n
n
n
n
n
n
Seamless Transition Between Power Sources:
Li-Ion Battery, USB, and 6V to 36V Supply (60V Max)
2A Output High Voltage Buck Regulator with
Bat-Track™ Adaptive Output Control (LTC4090)
Internal 215mW Ideal Diode Plus Optional
External Ideal Diode Controller Provides Low Loss
PowerPath™ When External Supply/ USB Not Present
Load Dependent Charging from USB Input
Guarantees Current Compliance
Full Featured Li-Ion Battery Charger
1.5A Maximum Charge Current with Thermal Limiting
NTC Thermistor Input for Temperature Qualified
Charging
Tiny (3mm
×
6mm
×
0.75mm) 22-Pin DFN Package
APPLICATIONS
n
n
n
n
HDD-Based Media Players
Personal Navigation Devices
Other USB-Based Handheld Products
Automotive Accessories
TYPICAL APPLICATION
0.47µF
HIGH (7.5V-36V)
VOLTAGE INPUT
5V WALL
ADAPTER
USB
4.7µF
V
C
TIMER
59k
270pF
0.1µF
RT
40.2k
CLPROG
2k
GND
HVIN
1µF
HVOUT
IN
LTC4090
OUT
4.7µF
BAT
PROG
100k
HVPR
BOOST
SW
6.8µH
22µF
LTC4090/LTC4090-5 High Voltage
Battery Charger Efficiency
90
FIGURE 12 SCHEMATIC
WITH R
PROG
= 52k
80
NO OUTPUT LOAD
70
EFFICIENCY (%)
LOAD
LTC4090
1k
60
50
40
LTC4090-5
+
Li-Ion BATTERY
30
20
2.0
2.5
3.5
3.0
V
BAT
(V)
V
OUT
(TYP)
V
BAT
+ 0.3V
5V
5V
V
BAT
AVAILABLE INPUT
HV INPUT (LTC4090)
HV INPUT (LTC4090-5)
USB ONLY
BAT ONLY
HVIN = 8V
HVIN = 12V
HVIN = 24V
HVIN = 36V
4.0
4.5
4090 TA01b
4090 TAO1
4090fe
For more information
www.linear.com/LTC4090
1

LTC4090EDJC-5#TRPBF Related Products

LTC4090EDJC-5#TRPBF LTC4090EDJC#PBF LTC4090EDJC#TRPBF LTC4090EDJC-5#PBF
Description USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP T/R USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP Tube USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP T/R USB Power Manager 4.35V to 5.5V Automotive 22-Pin DFN EP Tube
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Function USB Power Manager USB Power Manager USB Power Manager USB Power Manager
Switching Frequency (kHz) 240|1150|2700 240|1150|2700 240|1150|2700 2700|1150|240
Minimum Operating Supply Voltage (V) 4.35 4.35 4.35 4.35
Maximum Operating Supply Voltage (V) 5.5 5.5 5.5 5.5
Minimum Operating Temperature (°C) -40 -40 -40 -40
Maximum Operating Temperature (°C) 85 85 85 85
Packaging Tape and Reel Tube Tape and Reel Tube
Maximum Storage Temperature (°C) 125 125 125 125
Minimum Storage Temperature (°C) -65 -65 -65 -65
Standard Package Name DFN DFN DFN DFN
Pin Count 22 22 22 22
Supplier Package DFN EP DFN EP DFN EP DFN EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 6 6 6 6
Package Width 3 3 3 3
PCB changed 22 22 22 22
Lead Shape No Lead No Lead No Lead No Lead
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