Datasheet > DE2810C

DE2810C

更新时间： 2022-05-17 05:06:16

品牌	Logo	应用领域
美信 - MAXIM		集成电源管理电路手持设备
页数	文件大小	规格书
44页	829K
描述
PMIC with Integrated Charger and Smart Power Selector for Handheld Devices

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DE2810C 数据手册

PMIC with Integrated Charger and

Smart Power Selector for Handheld Devices

MA8671X

ELECTRICAL CHARACTERISTICS (continued)

(DC, USB, BVSET, UOK, DOK, LX_ unconnected; V

= V /2, V

= V

= 0V, V

= 4V, CEN = low, USUS = low, EN = high,

BAT

THM

PG_

AGND

= V

= 3.3V, V

= 0V, C

= 1µF, C

= 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, R

= 3kΩ,

PEN1

CISET

PEN2

PWM

OUT4

OUT5

SYS

DISET

= 3kΩ, C = 0.1µF, C = 0.15µF, C = 0.01µF, V

= 1.1V, V

= 1.1V, T = -40°C to +85°C, unless other-

FB3 A

FB1

FB2

wise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

Low-power USB charging from the USB

MIN

TYP

MAX

UNITS

100

input, DC unconnected, R

PEN2 = low, USUS = low

= 3kΩ,

CISET

Low-power USB charging from the DC

input, R = 3kΩ, PEN1 = low,

PEN2 = low, USUS = low

100

500

230

425

850

CISET

High-power USB charging from the USB

input, DC unconnected, R

PEN2 = high, USUS = low

= 3kΩ,

450

170

375

750

472

200

400

802

CISET

High-power USB charging from the DC

input, R = 3kΩ, PEN2 = high,

BAT Fast-Charge Current Limit

CISET

USUS = low

AC-to-DC adapter charging from the DC

input, R = 3kΩ, R = 15kΩ,

DISET

CISET

PEN1 = high

AC-to-DC adapter charging from the DC

input, R = 3kΩ, R = 7.5kΩ,

DISET

CISET

PEN1 = high

AC-to-DC adapter charging from the DC

input, R = 3kΩ, R = 3.74kΩ,

DISET

CISET

PEN1 = high

BAT Prequalification Current

Top-Off Threshold

= 2.5V, R

= 3.74kΩ

100

BAT

CISET

= +25°C, R

= 3.74kΩ (Note 6)

No DC or USB power

connected

EN = low,

= +25°C

BAT Leakage Current

Charger Soft-Start Time

µA

DC and/or USB power

connected, CEN = high

-5

Slew rate

450

1.10

0.22

0.88

mA/ms

Time from 0mA to 500mA

Time from 0mA to 100mA

Time from 100mA to 500mA

SS_CHG

Timer Accuracy

= 0.15µF

-20

+20

350

CISET voltage when the fast-charge timer

suspends; 300mV translates to 20% of the

maximum fast-charge current limit

Timer Suspend Threshold

250

300

750

CISET voltage when the fast-charge timer

suspends; 750mV translates to 50% of the

maximum fast-charge current limit

Timer Extend Threshold

700

800

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