MAX8671X datasheet(5/44 Pages) MAXIM

Part #	MAX8671X

Description	PMIC with Integrated Charger and Smart Power Selector for Handheld Devices

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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5 / 44 page

PMIC with Integrated Charger and

Smart Power Selector for Handheld Devices

_______________________________________________________________________________________

5

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Starting DC when no USB present

1.0

ms

DC-to-SYS Soft-Start Time

tSS-D-S

Starting DC with USB present

35

µs

DC Thermal-Limit Temperature

Die temperature at which current limit is

reduced

+100

°C

DC Thermal-Limit Gain

Amount of input current reduction above

thermal-limit temperature

5%/°C

USB POWER INPUT (VUSB = 5.0V, EN = low)

Operating voltage

4.1

6.6

USB Voltage Range

VUSB

Withstand voltage

0

14

V

SYS Regulation Voltage

VSYS_REG

VUSB = 6V, USUS = low, CEN = high,

system current is less than the input current

limit

5.2

5.3

5.4

V

USB Undervoltage Threshold

VUSBL

VUSB rising, 500mV hysteresis

3.95

4.0

4.05

V

USB Overvoltage Threshold

VUSBH

VUSB rising, 400mV hysteresis

6.8

6.9

7.0

V

PEN2 = low,

USUS = low

90

95

100

USB Current Limit

IUSBLIM

VUSB = 6V, VSYS = 5V, DC

unconnected, CEN = low,

TA = +25°C,

IVL = 0A (Note 3)

PEN2 = high,

USUS = low

450

475

500

mA

USUS = high

0.11

USUS = low, CEN = low;

ISYS = 0mA, IBAT = 0mA, VL no load

1.1

2.0

USB Quiescent Current

IUSBIQ

USUS = low, CEN = high;

ISYS = 0mA, VL no load

0.7

1.3

mA

Minimum USB-to-BAT Voltage

Headroom

VUSB falling, 200mV hysteresis

0

15

30

mV

Minimum USB-to-SYS Voltage

Headroom

VUSB falling, 200mV hysteresis

0

15

30

mV

USB-to-SYS Dropout Resistance

RUS

VUSB = 5V, ISYS = 400mA, USUS = low

0.325

0.600

Ω

USB-to-SYS Soft-Start Time

tSS-U-S

1.0

ms

USB Thermal-Limit Temperature

Die temperature at which current limit is

reduced

100

°C

USB Thermal-Limit Gain

Amount of input current reduction above

thermal-limit temperature

5%/°C

SYSTEM (VDC = 5.0V, EN = low)

System Operating Voltage Range

VSYS

2.6

5.5

V

System Undervoltage Threshold

VUVLO_SYS SYS falling, 100mV hysteresis

2.45

2.50

2.55

V

ELECTRICAL CHARACTERISTICS (continued)

(DC, USB, BVSET, UOK, DOK, LX_ unconnected; VTHM = VL/2, VPG_ = VAGND = 0V, VBAT = 4V, CEN = low, USUS = low, EN = high,

VPEN1 = VPEN2 = 3.3V, VPWM = 0V, COUT4 = 1µF, COUT5 = 1µF, CSYS = 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, RDISET = 3kΩ,

RCISET = 3kΩ, CVL = 0.1µF, CCT = 0.15µF, CBP = 0.01µF, VFB1 = 1.1V, VFB2 = 1.1V, VFB3 = 1.1V, TA = -40°C to +85°C, unless other-

wise noted.) (Note 2)

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