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PDF SLM6500 Data sheet ( Hoja de datos )
| Número de pieza | SLM6500 | |
| Descripción | 2A Synchronous Buck Li-Ion Battery Charger | |
| Fabricantes | Sola IC | |
| Logotipo |  |
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Sola IC SLM6500
2A Synchronous Buck Li-Ion Battery Charger
_________________Description
The SLM6500 is a 2A single cell Li-ion
battery charger applied for 5V wall adapters. It
utilizes 1.5MHz synchronous buck converter
topology to reduce power dissipation and
therefore reaches a high efficiency up to 90%.
The SLM6500 includes complete charge
termination circuitry, automatic recharge, and a
±1% 4.2V float voltage. It also has other
features include output short-circuit protection,
battery temperature monitor, overheating
protection, and no blocking diode is required.
The SLM6500 is available in SOP8/MSOP8
package with heat sink. Its few external
component count makes the SLM6500 a
high-efficient battery charger ideally suited for
portable applications.
_____ Absolute Maximum Ratings
Vcc：-0.3V~8V
BAT：-0.3V~7V
LX：-0.3V~7V
VS：-0.3V~7V
NCHRG：-0.3V~8V
NSTDBY：-0.3V~8V
TS：-0.3V~8V
BAT Short-Circuit Duration：Continuous
Maximum Junction Temperature：145℃
Operating Temperature Rang: -40℃~85℃
Storage Temperature Range：-65℃~125℃
Lead Temperature（Soldering, 10 sec）
260℃
_____________________Features
1.5MHz Fixed Switching Frequency
High Efficiency up to 90%
2.5A Maximum Charge Current
No External MOSFET or Blocking Diode
Required
Preset 4.2V Charge Voltage with ±1%
Accuracy
Automatic Recharge
Charge State Pairs of Output, No Battery
and Fault Status Display
C/10 Charge Termination
140uA Supply Current in Shutdown
2.9V Trickle Charge
Soft-Start Limits Inrush Current
Battery Temperature Monitoring
Short-Circuit Protection
Available in 8-Pin SOP/MSOP Package
________________________Applications
Cellular Telephones
MP3, MP4 Players
GPS, Digital Cameras
Electronic Dictionaries
Portable Devices, Chargers
www.sola-ic.com 1 / 12
1 page  
Sola IC SLM6500
2A Synchronous Buck Li-Ion Battery Charger
connected)
ITRIKL Trickle charge current
VBAT<VTRIKL，RPROG=0.05ohm 180 200 220 mA
VTRIKL
Trickle charge
voltage
threshold RPROG=0.05ohm，VBAT rising
2.8
2.9 3.0
V
VTRHYS
Trickle charge
voltage
hysteresis RPROG=0.05ohm
60 80 100 mV
VUV
VCC under voltage lockout Vcc from low to high
threshold
3.6 3.7 3.9 V
VUVHYS
VCC under voltage lockout
hysteresis
150 200 300 mV
VASD
VCC-VBAT lockout threshold Vcc from low to high
voltage
Vcc from low to high
120 200 300 mV
20 45 80 mV
ITERM
C/10 termination current RPROG=0.1ohm
threshold
RPROG=0.05ohm
100 mA
200 mA
INCHRG=5mA
0.3 0.6 V
VNCHRG NCHRG Pin output low
voltage
VNSTDBY
NSTDBY
voltage
Pin
output
low INSTDBY=5mA
0.3 0.6 V
The voltage at TS increase
VTS-H
80 82 %Vc
c
The voltage at TS decrease
VTS-L
43 45
%Vc
c
ΔVRECH Recharge battery threshold VFLOAT-VRECHRG
50 100 150 mV
RG voltage
Fosc Switching frequency
1.3 1.5 1.7 MHz
Thermal
TLIM temperature
protection
145 ℃
The on-resistance of P-FET
RPFET
150 mΩ
The on-resistance of N-FET
RNFET
120 mΩ
tss Soft-start time
IBAT=0 to IBAT=1200V/RPROG
20 us
tRECHRG
Recharge comparator filter VBAT from high to low
time
0.8 1.8 4 ms
tTERM
Termination comparator filter IBAT below ICHR/10
time
0.8 1.8 4 ms
www.sola-ic.com 5 / 12
5 Page 
Sola IC SLM6500
2A Synchronous Buck Li-Ion Battery Charger
___________________________________________Packaging Information
8-Pin SOP Package（Unit mm）
www.sola-ic.com 11 / 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SLM6500.PDF ] | |
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