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LTC4002 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4002
Description  Standalone Li-Ion Switch Mode Battery Charger
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4002 Datasheet(HTML) 9 Page - Linear Technology

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LTC4002
9
4002f
PI FU CTIO S (DFN/SO-8)
hot temperature or rises above 2.465V at cold temperature,
charging is suspended and the internal timer stops. The
CHRG pin output is not affected during this hold state. To
disable the temperature qualification function, ground the
NTC pin.
NC (Pin 10/NA): No Connect.
BLOCK DIAGRA
–
+
+ –
CEOC
25mV or 10mV
DRIVER
+–
100mV
SENSE
–
+
CA
–
+
VA
–
+
CLB
–
+
COV
–
+
CRQ
–
+
CCOLD
–
+
CHOT
–
+
GATE
BAT
4.2V/CELL
2.9V OR 5V
4.62V/CELL
4.05V/CELL
2.465V
355mV
50mV
4002 BD
NTC
VCC
85µA
TEMP
RQ
UV
LOGIC
NTC_DISABLE
EOC
STOP
SD
C/10
UVLO
4.2V
R
R
S
CLK:
Q
CPWM
RSLOP
IL
ISLOP
100µA
RIL
M1
M2
M3
VCC
COMP
CHRG
GND
–
+
CSD
360mV
Q4
Q5
25µA
90µA



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