LP3910 datasheet(4/72 Pages) TI1

tên linh kiện	LP3910

Giải thích chi tiết về linh kiện	Power Management IC for Hard-Drive-Based Portable Media Players

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LP3910

SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015

www.ti.com

The following options are programmed for the LP3910. The system designer that needs specific options is

advised to contact the local Texas Instruments sales office.

Table 3. Factory Programmable Options

FACTORY PROGRAMMABLE OPTIONS

DEFAULT VALUE (AA)

LDO1 output voltage after power up

2 V

LDO2 output voltage after power up

3.3 V

BUCK1 output voltage after power up

1.2 V

BUCK2 output voltage after power up

3.3 V

BUCK-BOOST power voltage after power up

3.3 V

Battery low threshold

2.9 V

Delay for LDO1 and LDO2

5 ms

Delay for BUCK1

15 ms

Delay for BUCK2

20 ms

Delay for BUCK-BOOST

25 ms

Delay for NRST

60 ms

Default full-rate charge current

100 mA

EOC default

0.1C

VTERM default

4.2 V

ONOFF edge/level

Level

ONOFF polarity

Positive

BUCK1 enable polarity

Positive

LDO2 enable polarity

Positive

Ignore ten-hour timer

LED default current

10 mA

Buck-boost 500-mA output current

Thermistor 10 k/100 k

100 k

The I2C Chip ID address is offered as a metal mask option. The current value equals 60 hex.

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