ACT8740 datasheet(35/40 Pages) ACTIVE-SEMI

tên linh kiện	ACT8740

Giải thích chi tiết về linh kiện	Six Channel Integrated Power Management IC for Handheld Portable Equipment

PDF	40 Pages

Scroll/Zoom	100%

nhà sản xuất	ACTIVE-SEMI [Active-Semi, Inc]

Trang chủ	http://www.active-semi.com

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35 / 40 page

SINGLE-CELL Li+ BATTERY CHARGER (CHGR)

ACT8740

Rev PrB, 25-Feb-08

Innovative Products. Active Solutions.

- 35 -

www.active-semi.com

ActivePMU

TM is a trademark of Active-Semi.

2CTM is a trademark of Philips Electronics.

Table 12:

Battery Charger (CHGR) Control Register Bit Descriptions (Cont’d)

ADDRESS

NAME

BIT

ACCESS

FUNCTION

DESCRIPTION

0Ah

LDOMODE

[7]

R/W

LDO Mode Enable

Charger in Normal Mode

Charger in LDO Mode

0Bh

SUSCHG

[0]

R/W

Suspend Charging

Charging Enable

Charging Disable

0Bh

CHGROK

[1]

Charge Status

Charging Error Occurred

Charging OK

0Bh

ICHGSET

[2]

R/W

USB Charge Current Selection

90mA

450mA

0Bh

[3]

W/E

0Bh

[7:4]

READ ONLY

WRITE-EXACT

Table 13:

ISET1[ ] Charge Current Setting

Table 14:

ISET2[ ] Charge Current Setting

CHGR/ISET1

[3:0]

FAST CHARGE CURRENT

SETTING (mA)

0000

CHGLEV = 1

450

CHGLEV = 0

0001

300

0010

350

0011

400

0100

450

0101

500

0110

550

0111

600

1000

650

1001

700

1010

750

1011

800

1100

850

1101

900

1110

950

1111

1000

CHGR/ISET2[2:0]

ISET2 CURRENT SETTING

(mA)

000

300

001

400

010

500

011

600

100

700

101

800

110

900

111

1000

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