Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
IN
= V
INP
= 5V, V
BATT
= 3.5V,
ACOK
=
GLED
=
RLED
= TEMP = TMAX/I.C. = FULLI = open,
CHGEN
=
MODE
= GND, R
SETI
= 2.8kΩ,
C
IN
= 1µF, C
BATT
= 10µF,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
IN, INP Input Voltage
IN, INP Input Operating Range
VL Output Voltage
ACOK
Trip Point
ACOK
Sink Current
Undervoltage Lockout Trip Point
Overvoltage Lockout Trip Point
IN Input Current
4.5V
≤
V
IN
≤
6.25V, I
VL
< 250µA
V
IN
- V
BATT
, rising
V
IN
- V
BATT
, falling
V
IN
- V
BATT
, hysteresis
4.5V
≤
V
IN
≤
6.25V, V
ACOK
= 0.6V
V
IN
rising
V
IN
falling
Hysteresis
V
IN
rising
Li+, NiMH/NiCd, and no-battery modes
Disable mode
Off mode (V
IN
= 4V)
V
BATT
= 4.3V
BATT Input Current
Leakage into Battery
RMS Charge Current
Li+ mode
Battery Regulation Voltage
NiMH/NiCd mode
Output Regulation Voltage
BATT Precharge Threshold
Voltage
Fast-Charge Current-Loop
System Accuracy
No-battery mode
BATT rising
R
SETI
= 2.8kΩ
R
SETI
= 1.75 kΩ
SELV = VL
SELV = GND
SELV = VL,
V
IN
= V
INP
= 6V
SELV = GND
4.166
4.067
4.85
4.4
3.700
2.675
460
736
4.2
4.1
4.95
4.5
4.0
2.8
500
800
V
IN
= 0
Disable mode
V
IN
= V
INP
= 13V, V
BATT
= 0
Disable mode
45
3
2
6.25
75
4.05
3.9
4.125
4.025
100
6.50
5
1.5
6.75
8
3
0.25
80
10
6
5
1.4
4.234
4.133
5.05
4.6
4.234
2.925
540
864
V
V
mA
V
µA
A
µA
mA
4.20
4.1
CONDITIONS
MIN
0
4.50
2.7
40
30
3
70
55
15
µA
V
mV
V
TYP
MAX
13
6.25
3.3
100
85
mV
UNITS
V
V
V
2
Maxim Integrated
MAX1501
Highly Integrated, Linear Battery Charger with
Thermal Regulation for Portable Applications
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
INP
= 5V, V
BATT
= 3.5V,
ACOK
=
GLED
=
RLED
= TEMP = TMAX/I.C. = FULLI = open,
CHGEN
=
MODE
= GND, R
SETI
= 2.8kΩ,
C
IN
= 1µF, C
BATT
= 10µF,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
Precharge Current System
Accuracy
Die Temperature Regulation
Setpoint (Note 1)
Current-Sense Amplifier Gain
Internal Current-Sense
Resistance
Regulator Dropout Voltage
Logic Input Low Voltage
Logic Input High Voltage
Internal Pulldown Resistance
Internal Pullup Resistance
Internal Bias Resistance
Internal Bias Voltage
RLED
Output Low Current
GLED
Output Low Current
GLED, RLED
Output High
Leakage Current
Full-Battery Detection Current
Threshold
V
IN
- V
BATT
, NiMH/NiCd mode, V
BATT
= 4.3V,
I
BATT
= 425mA
CHGEN, MODE,
4.5V
≤
V
IN
≤
6.25V
CHGEN, MODE,
4.5V
≤
V
IN
≤
6.25V
CHGEN, MODE
SELV
FULLI, TEMP, TMAX
FULLI, TEMP, TMAX
V
RLED
= 1V
V
GLED
= 1V
V
GLED
= V
RLED
= V
IN
= V
INP
= 13V
FULLI = GND
% of fast-charge
current
Li+ mode
NiMH/NiCd mode
Charge-Timer Accuracy
TMAX = GND
Charge-Timer Duration
(MAX1501 Only)
TMAX = open
TMAX = VL
FULLI = VL
FULLI = open
SELV = VL
SELV = GND
V
BATT
Restart Threshold
5
15
25
3.9
3.8
3.9
-10
3
4.5
6
hrs
7
14
1.25
100
100
50
175
175
90
V
VL
/2
10
20
0.1
10
20
30
4.0
3.9
4.0
18
34
1
15
25
35
4.1
4.0
4.1
+10
%
V
%
400
400
200
CONDITIONS
% of fast-charge current, V
BATT
= 2V
TEMP = GND
TEMP = open
TEMP = VL
I
BATT
to I
SETI
, precharge mode, V
BATT
= 2V
I
BATT
to I
SETI
, fast-charge mode
0.70
0.95
MIN
5
TYP
10
95
115
135
1
1
84
190
350
0.52
1.30
1.05
mA/A
mΩ
mV
V
V
kΩ
kΩ
kΩ
V
mA
mA
µA
o
MAX
15
UNITS
%
C
Maxim Integrated
3
MAX1501
Highly Integrated, Linear Battery Charger with
Thermal Regulation for Portable Applications
ELECTRICAL CHARACTERISTICS
(V
IN
= V
INP
= 5V, V
BATT
= 3.5V,
ACOK
=
GLED
=
RLED
= TEMP = TMAX/I.C. = FULLI = open,
CHGEN
=
MODE
= GND, R
SETI
= 2.8kΩ,
C
IN
= 1µF, C
BATT
= 10µF,
T
A
= -40°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
IN, INP Input Voltage
IN, INP Input Operating Range
VL Output Voltage
ACOK
Trip Point
ACOK
Sink Current
Undervoltage Lockout Trip Point
Overvoltage Lockout Trip Point
IN Input Current
Li+, NiMH/NiCd, and no-battery modes
Disable mode
V
BATT
= 4.3V
BATT Input Current
Leakage into Battery
RMS Charge Current
Li+ mode
Battery Regulation Voltage
NiMH/NiCd mode
Output Regulation Voltage
BATT Precharge Threshold
Voltage
Fast-Charge Current-Loop
System Accuracy
Precharge Current System
Accuracy
Current-Sense Amplifier Gain
Regulator Dropout Voltage
Logic Input Low Voltage
Logic Input High Voltage
Internal Pulldown Resistance
Internal Pullup Resistance
Internal Bias Resistance
No-battery mode
BATT rising
R
SETI
= 2.8kΩ
R
SETI
= 1.75kΩ
% of fast-charge current, V
BATT
= 2V
I
BATT
to I
SETI
, precharge mode, V
BATT
= 2V
I
BATT
to I
SETI
, fast-charge mode
V
IN
- V
BATT
, NiMH/NiCd mode, V
BATT
= 4.3V,
I
BATT
= 425mA
CHGEN, MODE,
4.5V < V
IN
< 6.25V
CHGEN, MODE,
4.5V < V
IN
< 6.25V
CHGEN, MODE
SELV
FULLI, TEMP, TMAX
1.3
100
100
50
400
400
200
SELV = VL
SELV = GND
SELV = VL
SELV = GND
4.148
4.05
4.85
4.4
3.700
2.675
460
736
5
0.60
0.93
V
IN
= 0
Disable mode
V
IN
= V
INP
= 13V, V
BATT
= 0
Disable mode
4.5V
≤
V
IN
≤
6.25V, I
VL
< 250µA
V
IN
- V
BATT
, rising
V
IN
- V
BATT
, falling
4.5V
≤
V
IN
≤
6.25V, V
ACOK
= 0.6V
V
IN
rising
V
IN
falling
CONDITIONS
MIN
0
4.50
2.7
40
30
75
4.00
3.90
6.25
4.25
4.15
6.75
8
3
80
10
6
5
1.4
4.252
4.15
5.05
4.6
4.234
2.925
540
864
15
1.40
1.07
350
0.52
V
V
mA
%
mA/A
mV
V
V
kΩ
kΩ
kΩ
V
µA
A
µA
TYP
MAX
13
6.25
3.3
100
85
UNITS
V
V
V
mV
µA
V
V
mA
4
Maxim Integrated
MAX1501
Highly Integrated, Linear Battery Charger with
Thermal Regulation for Portable Applications
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
INP
= 5V, V
BATT
= 3.5V,
ACOK
=
GLED
=
RLED
= TEMP = TMAX/I.C. = FULLI = open,
CHGEN
=
MODE
= GND, R
SETI
= 2.8kΩ,
C
IN
= 1µF, C
BATT
= 10µF,
T
A
= -40°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
RLED
Output Low Current
GLED
Output Low Current
GLED, RLED
Output High
Leakage Current
Charge-Timer Accuracy
(MAX1501 Only)
V
RLED
= 1V
V
GLED
= 1V
V
GLED
= V
RLED
= V
IN
= V
INP
= 13V
-10
CONDITIONS
MIN
7
14
TYP
MAX
18
34
1
+10
UNITS
mA
mA
µA
%
Note 1:
Temperature regulation setpoint variation is typically ±9°C.
Note 2:
Specifications to T
A
= -40°C are guaranteed by design, not production tested.
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