LP3910 datasheet(49/72 Pages) TI1

tên linh kiện	LP3910

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

PDF	72 Pages

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nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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49 / 72 page

ONSTAT

VBUCK1

NRST

PowerACK

VBUCK2

ONOFF

External Events

Power Down Caused by Expiring PowerACK deadline

(If LDO2ENB is logic 1 during NRST Low,

otherwise LDO2 are pin or register enabled)

VLDO1, VLDO2

BUCK/BOOST

PowerACK deadline (expired)

CHG_DET/USBPWR

(From Microprocessor)

(Bit D4 in PON register and

POWERACK pin)

(To Microprocessor)

LP3910

www.ti.com

SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015

Figure 68. Power Down Caused by Expiring PowerACK Deadline

8.4.2.5.3

Transition From Charger Standby Mode to Either Active or Standby Mode

While in charger standby mode, the battery is charged using the default values of IPROG, EOC, VTERM, battery

temperature range, and USB ISEL. In charger standby mode, all the regulators and the I

2C are disabled. A new

power-on event is required to transition back to active mode. Removing the charger during charger standby

mode causes a transition back to standby mode.

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LP3910 bảng dữ liệu(PDF) 49 Page - Texas Instruments