RT9451 datasheet(22/37 Pages) RICHTEK

No de pièce	RT9451

Description	Switch-Mode Single Cell Li-ion Battery Charger with USB OTG

PDF	37 Pages

Scroll/Zoom	100%

Fabricant	RICHTEK [Richtek Technology Corporation]

Site Internet	http://www.richtek.com

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22 / 37 page

RT9451

DS9451-00

September 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

STATUS Register A (STATUS_A)

Address - 0x06h

Data Bit

Field Name

Not Used

STANDBY

Not Used

CHSTAT [2:0]

LDO

Not Used

Read/Write

Reset Value

Field Name

Bit Definition

(1)

Not used

N/A

STANDBY

Standby status indicator

0 – Device is in ACTIVE mode

1 – Device is in STANDBY mode

Not used

N/A

CHSTAT [2:0]

Charger status bit

000 – High impedance mode or ready to charge

001 – Charge in progress (fast charge)

010 – Charge done

011 – Boost mode

100 – Charge in progress (pre charge)

101 – Not defined

110 – Not defined

111 – Not defined

LDO

LDO status bit

0 – LDO is disabled (OFF)

1 – LDO is enabled (ON), no fault

Not used

N/A

(1) Default values reflect state after Power On Reset, no charger plugged in, no faults present.

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