CDH2D09 datasheet(5/44 Pages) MAXIM

5 / 44 page

PMIC with Integrated Charger and

Smart Power Selector for Handheld Devices

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PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Starting DC when no USB present

1.0

DC-to-SYS Soft-Start Time

tSS-D-S

Starting DC with USB present

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

%/°C

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

Operating voltage

4.1

6.6

USB Voltage Range

VUSB

Withstand voltage

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

USB Undervoltage Threshold

VUSBL

VUSB rising, 500mV hysteresis

3.95

4.0

4.05

USB Overvoltage Threshold

VUSBH

VUSB rising, 400mV hysteresis

6.8

6.9

7.0

PEN2 = low,

USUS = low

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

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

Minimum USB-to-BAT Voltage

Headroom

VUSB falling, 200mV hysteresis

Minimum USB-to-SYS Voltage

Headroom

VUSB falling, 200mV hysteresis

USB-to-SYS Dropout Resistance

RUS

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

0.325

0.600

USB-to-SYS Soft-Start Time

tSS-U-S

1.0

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

%/°C

SYSTEM (VDC = 5.0V, EN = low)

System Operating Voltage Range

VSYS

2.6

5.5

System Undervoltage Threshold

VUVLO_SYS SYS falling, 100mV hysteresis

2.45

2.50

2.55

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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