MAX8601 datasheet(2/12 Pages) MAXIM

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Single-/Dual-Input 1-Cell Li+ Chargers with

OVP Protection and Programmable Charge Timer

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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

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.

DC, USB to GND ....................................................-0.3V to +16V

BAT, CT, CHG, EN, FLT, SETI,

POK, THM, USEL to GND..................................-0.3V to +5.5V

Continuous Power Dissipation (TA = +70°C)

14-Pin TDFN 3mm x 3mm (derate 18.2mW/°C

above +70°C)............................................................ 1454mW

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

ELECTRICAL CHARACTERISTICS

(VDC = VUSB = 5V, VBAT = 4V, V EN = 0V, RSETI = 2k

Ω, CCT = 0.068µF, TA = -40°C to +85°C, unless otherwise noted. Typical values

are at TA = +25

°C. Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DC OR USB (Note 2)

Input Voltage Range

014

Input Operating Range

(Note 3)

4.15

7.00

Input Undervoltage Threshold

Input rising, 500mV hysteresis (typ)

3.85

4.0

4.15

Input Overvoltage Threshold

Input rising, 200mV hysteresis (typ)

7.2

7.5

7.8

Input Overvoltage Delay

From overvoltage event to charger disabled

0.25

Input Supply Current

IBAT = 0mA, RTHM = 10k

Ω

750

1200

µA

Shutdown Input Current

VEN = 5V, TA = +25°C

275

435

µA

Input to BAT On-Resistance

Input = 3.7V, VBAT = 3.6V

0.5

0.8

Ω

Input to BAT Dropout Voltage

Input falling, 200mV hysteresis (typ)

120

BAT

TA = +25°C

4.179

4.2

4.221

BAT Regulation Voltage

IBAT = 0mA

TA = -40°C to +85°C

4.166

4.2

4.234

BAT Restart Fast-Charge

Threshold

From BAT regulation voltage

-180

-150

-120

RSETI = 1.5k

Ω

950

1000

1050

RSETI = 2k

Ω

727

750

773

RSETI = 5k

Ω

280

300

320

DC Charging Current

VUSB = 0V

Prequal, RSETI = 2k

Ω, VBAT = 2.5V

VUSEL = 5V

450

475

500

VUSEL = 0V

100

USB Charging Current

VDC = 0V

Prequal, RSETI = 2k

Ω, VBAT = 2.5V

Soft-Start Time

Ramp time to fast-charge current

1.2

BAT Prequal Threshold

VBAT rising, 180mV hysteresis (typ)

2.9

3.1

BAT Leakage Current

VDC = VUSB = 0V, VBAT = 4.2V

0.001

µA

SETI

RSETI Resistance Range

(Note 4)

1.5

5.0

Ω

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