Datasheet
MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
_______________________________________________________________________________________
9
CHARGE CURRENT vs. AMBIENT TEMPERATURE
(LOW IC POWER DISSIPATION)
MAX8662/63 toc10
AMBIENT TEMPERATURE (
°
C)
CHARGE CURRENT (mA)
603510-15
100
200
300
400
500
600
700
800
900
0
-40 85
PEN1 = PEN2 = 1
PEN1 = PEN2 = 0
PEN1 = 0, PEN2 = 1
V
DC
= 5.0V, V
BAT
= 4.0V
R
ISET
= 3k
Ω
, CEN = 0, EN_ = 0
CHARGE CURRENT vs. AMBIENT TEMPERATURE
(HIGH IC POWER DISSIPATION)
MAX8662/63 toc11
AMBIENT TEMPERATURE (
°
C)
CHARGE CURRENT (mA)
603510-15
100
200
300
400
500
600
700
800
900
0
-40 85
PEN1 = PEN2 = 1
PEN1 = PEN2 = 0
PEN1 = 0, PEN2 = 1
V
DC
= 6.5V, V
BAT
= 3.1V
R
ISET
= 3k
Ω
, CEN = 0, EN_ = 0
SYS OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX8662/63 toc12
INPUT VOLTAGE (V)
V
SYS
(V)
76
53412
3.8
4.2
4.0
4.6
4.4
5.2
5.0
4.8
5.4
5.6
3.6
08
V
BAT
= 4.0V
I
SYS
= 0mA
PEN1 = 0
PEN2 = 1
CHARGER
DISABLED
CHARGER
ENABLED
SYS OUTPUT VOLTAGE
vs. SYS OUTPUT CURRENT (DC DISCONNECTED)
MAX8662/63 toc13
I
SYS
(A)
V
SYS
(V)
2.52.01.51.00.5
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
3.6
03.0
V
BAT
= 4.0V
V
DC
= 0V
THE SLOPE OF THIS LINE SHOWS THAT THE
BAT-TO-SYS RESISTANCE IS 49m
Ω
.
SYS OUTPUT VOLTAGE
vs. SYS OUTPUT CURRENT (500mA USB)
MAX8662/63 toc14
I
SYS
(A)
V
SYS
(V)
2.52.01.51.00.5
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
3.6
03.0
V
DC
= 5.0V
V
BAT
= 4.0V
PEN1 = 0, PEN2 = 1
CEN = 1
SYS OUTPUT VOLTAGE
vs. SYS OUTPUT CURRENT (AC ADAPTER)
MAX8662/63 toc15
I
SYS
(A)
V
SYS
(V)
2.52.01.51.00.5
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
3.6
0 3.0
V
DC
= 5.0V
V
BAT
= 4.0V
PEN1 = PEN2 = 1
CEN = 1
USB CONNECT (I
SYS
= 0mA)
MAX8662/63 toc16
200µs/div
PEN1 = PEN2 = 0, CEN = 0,
V
BAT
= 4.0V, I
SYS
= 0mA, EN_ = 1
V
DC
I
IN
V
SYS
V
POK
V
CHG
I
BAT
0V
0V
0mA
0mA
4.0V
5V
4.4V
5V
+95mA
+95mA
5V/div
5V/div
5V/div
2V/div
200mA/div
200mA/div
NEGATIVE BATTERY
CURRENT FLOWS INTO
THE BATTERY
(CHARGING).
USB CONNECT (I
SYS
= 50mA)
MAX8662/63 toc17
200µs/div
PEN1 = PEN2 = 0, CEN = 0,
V
BAT
= 4.0V, I
SYS
= 50mA, EN_ = 1
V
DC
I
IN
V
SYS
V
POK
V
CHG
I
BAT
NEGATIVE BATTERY
CURRENT FLOWS
INTO THE BATTERY (CHARGING).
0V
0V
0V
0mA
50mA
4.0V
4.4V
5V/div
5V/div
5V/div
2V/div
200mA/div
200mA/div
5V
5V
+95mA
-45mA
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DC
= 5V, R
PSET
= 1.5kΩ, R
ISET
= 3kΩ, V
OUT1
= 3.3V, V
OUT2
= 1.3V, SL1 = SL2 = open, V
CEN
= 0V, V
PEN1
=
V
PEN2
= 5V, C
OUT1
= 2 x 10µF, C
OUT2
= 2 x 10µF, C
OUT3
= 0.1µF, C
OUT4
= 4.7µF, C
OUT5
= 1µF, C
OUT6
= 2.2µF, C
OUT7
= 1µF, CT =
0.068µF, C
REF
= C
VL
= 0.1µF, R
THM
= 10kΩ, L1 = 3.3µH, L2 = 4.7µH, L3 = 22µH, V
GND
= V
PG1
= V
PG2
= V
PG3
= 0V, T
A
= +25°C,
unless otherwise noted.)