Datasheet

ADP5065 Data Sheet
Rev. D | Page 16 of 40
D1
E1
D3
E3
SW1
SW2
VIN1
VIN2
C3
C4
B3
B4
A3
THR
+
–
NTC CURRENT
CONTROL
COLD
COOL
WARM
HOT
NTC
TRICKLE
CURRENT
SOURCE
E2
CFILT
+
–
C1
BATTERY DETECTION
+
–
TRICKLE
3.4V
1.9V
0.5V
WEAK
+
–
+
–
CHARGE CONTROL
CFILT
+
–
EOC
TO SYSTEM
LOAD
+
–
VIN
OVERVOLTAGE
+
–
VIN LIMIT
BATTERY
ISOLATION FET
+
–
VIN GOOD
CFILT – 150mV
+
–
BATTERY OVERVOLTAGE
HIGH VOLTAGE
BLOCKING FET
A2
B1
SCL
SDA
T
O USB VBUS
OR WALL
ADAPTER
D4 E4C2
PGND1 PGND2 AGND
A4
B2
A1
IIN_EXT
TRK_EXT
V_WEAK_SET
OPTIONAL
+
–
D2
+
–
THERMAL CONTROL
SINGLE CELL
Li-Ion
TSD 140ºC
WARNING 130ºC
ISOTHERMAL 115ºC
TSD DOWN 110ºC
SYS_ON_OK
SYSTEM
VOLTAGE OK
LOGIC
0.5V
3.9V
5.42V
HV-FET
CONTROL
3MHz OSC
IND_PEAK_INT
COIL
CURRENT
DETECTION
DC-DC CONTROL
ISO_S1
ISO_S2
ISO_B1
ISO_B2
BATTERY
DETECTION
SINK
BAT_SNS
I
2
C INTERFACE
AND
CONTROL LOGIC
CV-MODE
RECHARGE
BATTERY:
OPEN
SHORT
09370-031
Figure 31. Block Diagram