MAX1501 Datasheet, PDF (3/15 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 (continued)
(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 = 0°C to +85°C, unless otherwise noted. Typical values are at T_A = +25°C.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Precharge Current System
Accuracy
Die Temperature Regulation
Setpoint (Note 1)
Current-Sense Amplifier Gain
Internal Current-Sense
Resistance
% 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
5
10
15
%
95
115
o_C
135
0.70
1
1.30
mA/A
0.95
1
1.05
84
mΩ
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_BATT Restart Threshold
Charge-Timer Accuracy
Charge-Timer Duration
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
% of fast-charge
current
Li+ mode
NiMH/NiCd mode
FULLI = GND
FULLI = VL
FULLI = open
SELV = VL
SELV = GND
TMAX = GND
TMAX = open
TMAX = VL
190
350
mV
0.52
V
1.25
V
100
175
400
kΩ
100
175
400
kΩ
50
90
200
kΩ
V_VL/2
V
7
10
18
mA
14
20
34
mA
0.1
1
µA
5
10
15
15
20
25
%
25
30
35
3.9
4.0
4.1
3.8
3.9
4.0
V
3.9
4.0
4.1
-10
+10
%
3
4.5
hrs
6
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