LTC4085 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC4085' PDF : 24 Pages View PDF
LTC4085
BLOCK DIAGRAM
VBUS
1
IN
CURRENT LIMIT
ILIM_CNTL
CLPROG
3
IIN
1000 1V +
–CL
CURRENT_CONTROL
SOFT_START
ILIM
ENABLE
2k
HPWR
4
500mA/100mA
2μA
DIE TEMP
105°C
IN OUT BAT
TA
PROG
12
100k
WALL
7
ACPR
10
1V
CHG
+–
– 25mV
+
+
4.25V –
SOFT_START2
ICHRG
CHARGE_CONTROL
VOLTAGE_DETECT
UVLO
BAT_UV
9 VNTC
100k
NTC
8
100k
–
2C0LD
+
– NTC
2HOT
+
RECHRG
NTCERR
CONTROL_LOGIC
HOLD
RESET
+
0.1V –
NTC_ENABLE
2μA
GND
SUSP
CC/CV REGULATOR
CHARGER
ENABLE
+– 25mV
IDEAL_DIODE
OUT
2
25mV
+
–EDA
GATE
13
BAT
14
0.25V
2.8V
BATTERY UVLO
4.1V
RECHARGE
OSCILLATOR
CLK
COUNTER
STOP
C/10 EOC
TIMER
6
CHRG
11
4085 BD
4085fd
10
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