CDH2D09 查看數據表（PDF） - Maxim Integrated

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CDH2D09

PMIC with Integrated Charger and Smart Power Selector for Handheld Devices

Maxim Integrated 

PMIC with Integrated Charger and

Smart Power Selector for Handheld Devices

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)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

BAT-to-SYS Reverse Regulation

Voltage

VBSREG

DC or USB and BAT

are sourcing current

BAT is sourcing

105mA

BAT is sourcing

905mA

65

82

115

mV

130

DC and USB unconnected, EN = low,

VBAT = 4V

0

10

Quiescent Current

IPV1 +

IPV2 +

IPV3 +

IPV4 +

IPV5 +

ISYS

VDC = VUSB = 5V, USUS = high,

PEN1 = low, EN = low, VBAT = 4V

DC and USB unconnected, EN = high,

VBAT = 4V (step-down converters are not in

dropout), PWM = low (Note 4)

DC and USB unconnected, EN = high,

VBAT = 2.8V (at least one step-down

converter is in dropout), PWM = low (Note 4)

VDC = VUSB = 5V, USUS = high, EN = high,

VBAT = 4V, PWM = low (Note 4)

0

10

155

285

µA

425

550

180

320

DC and USB unconnected, EN = high,

VBAT = 4.0V, PWM = high

9

mA

BATTERY CHARGER (VDC = 5.0V, EN = low)

BAT-to-SYS On-Resistance

RBS

VUSB = 0V, VBAT = 4.2V, ISYS = 1A

0.08 0.16

Ω

BVSET = VL or

TA = +25°C

BVSET unconnected TA = -40°C to +85°C

4.174

4.145

4.200

4.200

4.221

4.242

BAT Regulation Voltage

(Figure 6)

VBATREG BVSET = AGND

TA = +25°C

4.073 4.100 4.121

V

TA = -40°C to +85°C 4.047 4.100 4.141

RBVSET = 49.9kΩ to TA = +25°C

AGND

TA = -40°C to +85°C

4.325

4.297

4.350

4.350

4.376

4.398

BAT Recharge Threshold

VBATRCHG (Note 5)

-170 -120 -70

mV

BAT Prequalification Threshold

VBATPRQ VBAT rising, 180mV hysteresis, Figure 6

2.9

3.0

3.1

V

RCISET Resistance Range

Guaranteed by BAT fast-charge current

3

limit

15

kΩ

CISET Voltage

VCISET RCISET = 7.5kΩ, IBAT = 267mA, Figure 9

0.9

1.0

1.1

V

6 _______________________________________________________________________________________

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