RT9451 datasheet(20/37 Pages) RICHTEK

Part #	RT9451

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

PDF	37 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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20 / 37 page

RT9451

DS9451-00

September 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Charger CONFIG Register C (CONFIG_C)

Address - 0x03h

Data Bit

Field Name

Not Used

OTG_PL

OTG_EN

TERM_EN

LOW_CHG

MIVR [2:0]

Read/Write

R/W

Reset Value

Field Name

Bit Definition

OTG_PL

OTG pin polarity

0 – Active low

1 – Active high

OTG_EN

OTG pin enable

0 – Pin is disabled

1 – Pin is enabled

TERM_EN

Charge termination enable

0 – Disabled

1 – Enabled

LOW_CHG

Low charge current enable bit (current equivalent for 20m

Ω shunt)

0 – Normal charge current sense voltage per register CONFIG_A

1 – 3mV (150mA)

MIVR [2:0]

Input voltage MIVR regulation voltage

000 – 4.20V

001 – 4.28V

010 – 4.36V

011 – 4.44V

100 – 4.52V

101 – 4.60V

110 – 4.68V

111 – 4.76V

RT9451 Datasheet(PDF) 20 Page - Richtek Technology Corporation

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