LTC4053-4.2_15 Datasheet, PDF (7/16 Pages) Linear Technology – USB Compatible Lithium-Ion Battery Charger with Thermal Regulation

SI PLIFIED BLOCK DIAGRA
105°C
TA
T_DIE
D1
D2
M2
D3
×1
NTC 6
NTC
MP
CA
V_CC
2
–+
MA
30µA
VA
CHRG 1
ACPR 10
FAULT 3
HOT COLD DISABLE
STOP
SHDN
C/10
30µA
LOGIC
ACPR
FAULT
C/10
CHARGE
2.485V
REF
R3
1.5V
R4
0.15V
C2
R5
LTC4053-4.2
M1
×1000
9 ^BAT
R1
R2
8 SHDN
COUNTER
C3
OSCILLATOR
2.485V
4
TIMER
C_TIMER
TO BAT
7
PROG
R_PROG
5
GND
4053 BD
Figure 1
4053fa
7