主要參數(shù)：針對磷酸鐵鋰電芯，充滿電壓3.6V,充電電流可達900mA，耐壓30V, OVP=6.8V,采用ESOP8封裝。
GENERAL DESCRIPTION
The XC3098VYP is a complete consta-nt
current & constant voltage linear charge-r f
or single cell lithium-ion batteries. Its ESOP
8 package and low– external component c
ounts make the XC3098VYP ideally suited
for portable appplications. Furthermore, the
XC3098VYP is specifically designed to wor
k within USB power specifications.
Only one external sense resistor is need
ed, and no blocking diode is required due t
o the internal MOSFET architecture. The c
harge voltage is fixed at 3.6V, and the char
ge current can be programmed externally
with a single resistor. The XC3098VYP aut
omatically terminates the charge cycle whe
n the charge current drops to 1/10 the prog
rammed value after the final float voltage is
reached.
When the input supply (wall adapter or
USB supply) is removed, the XC3098VYP
Series automatically enters a low current st
ate, dropping the battery drain current to le
ss than 2uA. The XC3098VYP can be put i
nto shutdown mode, reducing the supply c
urrent to 50uA.
Under-voltage lockout, automatic rechar
ge and two status pins to indicate charge
and charge termination.
FEATURES
Available in ESOP8 Package
30V standoff input voltage at VCC pin
Programmable Charge Current Up to
900mA
No MOSFET, Sense Resistor or
Blocking Diode Required
Integrated 6.8V overvoltage protection
Charges Single Cell LiFePO4 Batteries
Directly from USB Port
The Vcv voltage is changed by
adjusting the R value of the FB
terminal. The formula is as follows:
Vcv=3.6+0.85*R*10e-6
Charge Current Monitor Output for Gas
Gauging
Automatic Recharge
Charge state pairs of output, no battery
and fault status display
CC/10 Charge Termination
Battery temperature sensing
2.0V Trickle Charge Threshold
Soft-Start Limits Inrush Current
ESD HBM 2KV
APPLICATIONS
miner's lamp
Lithium iron phosphate battery
applications
Various chargers
