MAX17710G datasheet(2/17 Pages) MAXIM

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MAX17710

Energy-Harvesting Charger and Protector

BATT to GND...........................................................-0.3V to +6V

CHG to GND ...........................................................-0.3V to +6V

LX to PGND.............................................................-0.3V to +6V

GND to PGND ......................................................-0.3V to +0.3V

FB, AE, LCE, SEL1, SEL2, REG,

PCKP to GND.......................................-0.3V to VBATT + 0.3V

CHG Continuous Current

(limited by power dissipation of package) ...................100mA

Continuous Power Dissipation (TA = +70NC)

12-Pin UTDFN (derate 15mW/NC above +70NC) .......1200mW

Operating Temperature Range.......................... -40NC to +85NC

Junction Temperature .....................................................+150NC

Storage Temperature Range............................ -65NC to +150NC

Lead Temperature (soldering, 10s) ................................+300NC

Lead Temperature (reflow)..............................................+260NC

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-

tion 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

(VCHG = +4.3V, Figure 1, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CHG Input Maximum Voltage

Limited by shunt regulator (Note 2)

4.875

5.3

5.7

CHG Enable Threshold

VCE

4.07

4.15

4.21

CHG Quiescent Current

IQCHG

VCHG = 4.0V rising, VBATT = 4.0V

625

1300

CHG Shunt Delay

CHG Input Shunt Limit

(Note 2)

CHG Maximum Input Current

VCHG input current limited by Absolute

Maximum Ratings

100

CHG-to-BATT Dropout Voltage

VCHG = 4.0V, ICHG = 1FA

VCHG = 4.0V, IBATT = -6mA

VCHG = 4.0V, IBATT = -20mA

VCHG = 4.0V, IBATT = -40mA

100

BATT REG

BATT Regulator Voltage

4.065

4.125

4.160

BATT Regulation Delay

VCHG = 4.2V, starting at 4V

BATT Quiescent Current

IQBATT

Regulator in dropout;

VCHG = 4.15V, VBATT = 4.12V

450

1030

Harvest standby (AE pulse low)

VCHG = 0V, VBATT = 2.1V to 4.0V

165

AE regulator on, boost off;

VCHG = 0V, VBATT = 4.0V, AE high

725

1650

LCE regulator on, boost off;

VBATT = 4.0V, LCE mode (Note 3)

150

550

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