MAX17710
Energy-Harvesting Charger and Protector
Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
6
REGULATOR STARTUP
6
BOOST STARTUP
10
I DD vs. V BATT OVERTEMPERATURE
LCE AND AE AND SEL1 = GND
5
5
LX
9
8
4
3
2
AE
REG
4
3
2
SOLAR
CHG
7
6
5
4
3
T A = +85°C
T A = +25°C
1
PCKP
1
2
1
T A = -40°C
0
0
5
10
0
0
2
4
6
8
0
3.0
3.5
4.0
TIME (ms)
TIME (μs)
V BATT (V)
I DD vs. V BATT OVERTEMPERATURE
LCE = VREG, AE, AND SEL1 = GND
825
I DD vs. V BATT OVERTEMPERATURE
AE = BATT, LCE, AND SEL1 = GND
4.15
MEC101 CELL CHARGE PROFILE
2.5mW CHARGE SOURCE
MAX17710 toc06
0.50
190
170
150
T A = +85°C
775
725
675
T A = +85°C
4.10
4.05
4.00
3.95
I BATT
0.45
0.40
0.35
0.30
0.25
130
110
T A = -40°C
T A = +25°C
625
575
T A = -40°C
T A = +25°C
3.90
3.85
3.80
V BATT
0.20
0.15
0.10
0.05
90
3.0
3.5
4.0
525
3.0
3.5
4.0
3.75
0
50
100
150
200
250
0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V BATT (V)
BOOST CIRCUIT BREAK-EVEN
THRESHOLD vs. CELL VOLTAGE
(STANDARD APPLICATION CIRCUIT)
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
V BATT (V)
AE LOAD REGULATION
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
TIME (Minutes)
LCE LOAD REGULATION
0
3.5
3.6
3.7
3.8
3.9
4.0
4.1
1.5
0
50
100
150
200
1.5
0
50
100
Maxim Integrated
V BATT (V)
LOAD (mA)
LOAD (μA)
6
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