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PDF PT6103 Data sheet ( Hoja de datos )
| Número de pieza | PT6103 | |
| Descripción | Standalone Linear Li-Ion Battery Charger | |
| Fabricantes | Powtech | |
| Logotipo |  |
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PT6103
Standalone Linear Li-Ion Battery Charger
with Thermal Regulation and Battery Thermal Protection
GENERAL DESCRIPTION
The PT6103 is a highly integrated Li-ion battery linear
charging management device targeted at space limited
portable applications. The PT6103 offers an integrated
MOSFET and current sensor, reverse blocking
protection, high accuracy current and voltage regulation,
charge status indication, and charge termination in
SOT23,DFN6,DFN8 or ESOP8 package. The PT6103
charges a battery in three phases: trickle charging,
constant current and constant voltage. No blocking
diode is required due to the internal MOSFET
architecture. The thermal feedback regulates the
charging current to limit the chip temperature during
high power operation or high ambient temperature to
maximize the charge rate without risk of overheating.
The charge voltage is fixed at 4.2V, and the charge
current can be programmed externally with a single
resistor. The PT6103 automatically terminates the
charge cycle when the charge current drops to 1/10 the
programmed value after the final float voltage is
reached.
Once the temperature outside the normal range
thresholds is detected the PT6103 immediately stops
the charging and CHG pin output 10Hz square wave.
And charging is stopped until restart the chip again.
And when the TS pin is floating or connected to ground,
the battery temperature protection is disabled.
FEATURES
z Charges Single Cell Li-Ion Batteries Directly from
USB Port
z Programmable Charge Current Up to 800mA
z No MOSFET, Sense Resistor or Blocking Diode
Required
z Complete Linear Charger in SOT23-6, DFN6,
DFN8 or ESOP8 Package for Single Cell Lithium-Ion
Batteries
z Battery Thermal Protection
z Constant-Current/Constant-Voltage Operation with
Thermal Regulation to Maximize Charge Rate Without
Risk of Overheating
z Preset 4.2V Charge Voltage with ±1% Accuracy
APPLICATIONS
z Cellular Telephones, PDAs, MP3 Players
z Bluetooth Applications
z Digital Cameras
z Charging Docks and Cradles
ORDERING INFORMATION
PACKAGE
SOT23-6
TEMPERATURE
RANGE
-40℃ to 85℃
ESOP8
-40℃ to 85℃
DFN6
-40℃ to 85℃
DFN8
-40℃ to 85℃
ORDERING PART
NUMBER
PT6103E23F
PT6103ESOH
PT6103EDFF
PT6103EDFH
TRANSFER
MEDIA
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
MARKING
6103
PT6103
xxxxxX
6103
PT6103
xxxxxX
China Resources Powtech (Shanghai) Limited
PT6103_DS Rev EN_1.0
WWW.CRPOWTECH.COM
Page 1
1 page  
PT6103
Standalone Linear Li-Ion Battery Charger
with Thermal Regulation and Battery Thermal Protection
ELECTRICAL CHARACTERISTICS (continued) (Note 3,4,5)
SYMBOL
VTempL
VTempH
TLIM
RON
PARAMETERS
Cold Battery temperature
threshold
Hot Battery temperature
threshold
Junction Temperature in
Constant Temperature
Mode
Power FET “ON”
Resistance(Between VCC
and BAT)
tSS
TRECHG
TTERM
TTEMP
IPROG
Soft-Start time
Recharge Comparator Filter
Time
Termination Comparator
Filter Time
Temperature Comparator
Filter time
PROG Pin Pull-Up Current
CONDITIONS
IBAT =0 to IBAT =1000V/
RPROG
VBAT High to Low
IBAT falling below ICHG /10
MIN
80
38
TYP MAX UNITS
83 86 %VCC
41 44 %VCC
120 ℃
600 mΩ
100 μs
2 ms
1 ms
50 ms
3 μA
Note 3: Electrical Characteristics state DC and AC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the recommended operating Range.
Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good
indication of device performance.
Note 4: Typicals are measured at 25˚C and represent the parametric norm.
Note 5: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 6: Supply current includes PROG pin current (approximately 100uA) but does not include any current
delivered to the battery through the BAT pin (approximately 100mA).
China Resources Powtech (Shanghai) Limited
PT6103_DS Rev EN_1.0
WWW.CRPOWTECH.COM
Page 5
5 Page 
PT6103
Standalone Linear Li-Ion Battery Charger
with Thermal Regulation and Battery Thermal Protection
PACKAGE INFORMATION
ESOP8 package
China Resources Powtech (Shanghai) Limited
PT6103_DS Rev EN_1.0
WWW.CRPOWTECH.COM
Page 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet PT6103.PDF ] | |
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