RT9481 datasheet(30/41 Pages) RICHTEK

30 / 41 page

RT9481

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS9481-00 June 2015

Function

Address

b[7]

(MSB)

b[6]

b[5]

b[4]

b[3]

b[2]

b[1]

b[0]

(LSB)

Charger

Status1

0X08

Meaning

UUGPUMP_

STAT

VBAT_

LVL

CHG_

STAT

CHG_ Done

BOOST_

STAT

PWR_

Rdy

SWBASE_EN

SWITCHING

_EN

Default

Read/

Write

R/W

UUGPUMP_STAT

UUG pump enable status

0 : UUG pump is disable

1 : UUG pump is enable

VBAT_LVL

Battery voltage level detect under charging

0 : Battert voltage is lower than pre-charge level

1 : Battery voltage is higher than fast-charge level

CHG_STAT

Charging Status

0 : Charging is not in progress

1 : Charging is in progress

CHG_Done

Charger Done indication bit

0 : Charging is not done

1 : Charging is done

BOOST_STAT

0 : Not in Boost mode

1 : Boost mode

PWR_Rdy

Power status bit

0 : VBUS > VBUS_OVP or VBUS < VBUS_UVLO or VBUS < ISENSN + VSLP (Power Fault)

1 : VBUS_UVLO < VBUS < VBUS_OVP & VBUS > ISENSN + VSLP (Power Ready)

SWBASE_EN

Switching charger base circuit enable

0 : Disabled

1 : Enabled

SWITCHING_EN

Charger/ Boost enable

0 : Charger/ Boost is disabled

1 : Charger/ Boost is enabled

RT9481 Datasheet(PDF) 30 Page - Richtek Technology Corporation

RT9481 Datasheet(HTML) 30 Page - Richtek Technology Corporation

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