MAX1501 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – Highly Integrated, Linear Battery Charger with Thermal Regulation for Portable Applications

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 = 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
BATT Input Current
Leakage into Battery
RMS Charge Current
Battery Regulation Voltage
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
CONDITIONS
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
Li+, NiMH/NiCd, and no-battery modes
Disable mode
V_BATT = 4.3V
V_IN = 0
Disable mode
V_IN = V_INP = 13V, V_BATT = 0 Disable mode
Li+ mode
NiMH/NiCd mode
No-battery mode
SELV = VL
SELV = GND
SELV = VL
SELV = GND
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
MIN TYP MAX UNITS
0
13
V
4.50
6.25
V
2.7
3.3
V
40
100
mV
30
85
75
µA
4.00
4.25
V
3.90
4.15
6.25
6.75
V
8
mA
3
80
10
µA
6
5
µA
1.4
A
4.148
4.252
4.05
4.15
V
4.85
5.05
4.4
4.6
3.700
4.234
V
2.675
2.925
V
460
540
mA
736
864
5
15
%
0.60
1.40
mA/A
0.93
1.07
350
mV
0.52
V
1.3
V
100
400
kΩ
100
400
kΩ
50
200
kΩ
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