RT9750 datasheet(28/30 Pages) RICHTEK

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RT9750

DS9750-01 June 2017

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Name

Function

Addr

Reset

EVENT_STATUS_2

STATUS_2

0x25

0x00

Bit

Mode

Name

Reset Value

Description

LOWCHG_ALM_STATUS

Indicates if LOWCHG_ALM threshold is

reached.

0 – no LOWCHG_ALM (default)

1 – LOWCHG_ALM when CHG_EN and

IBUS < threshold

ADC_DONE_STATUS

Indicates if the ADC conversion is

complete for the requested parameters in

1-shot mode only (set from 0x07).

0 – Conversion not complete (default)

1 – Conversion complete

VDROP_ALM_STATUS

Indicates if VDROP_ALM threshold is

reached.

0 – no fault (default)

1 – VDROP_ALM fault

VDROP_OVP_STATUS

Indicates if VDROP_OVP threshold is

reached.

0 – no fault (default)

1 – VDROP_OVP fault

VBUS_INSERT_STATUS

Indicates if VBUS is detected

0 – no VBUS (default)

1 – VBUS inserted (VBUS > 2.8V)

BAT_INSERT_STATUS

Indicates if battery is detected (sensed

between BATP and BATN).

0 – no BAT (default)

1 – BAT inserted (VBAT > 2.0V)

TSHUT_STATUS

IC thermal shutdown fault indicator. (TDIE

> 125°C)

0 – Normal operation (default)

1 – Thermal shutdown

IOC_STATUS

Indicates if high current from VBUS to

VOUT has hit the internal threshold.

0 – no fault (default)

1 – High current fault

Name

Function

Addr

Reset

Control

0x26

0x01

Bit

Mode

Name

Reset Value

Description

[3:0]

R/W

IREV_OCP

0001

IREV_OCP (Ron = 10m

)

Offset : 0A

LSB<3:0> : 4A (40mV), 2A (20mV), 1A

(10mV), 0.5A (5mV)

Range Min : 0A (0b0000)

Range Max : 4A (0b1000)

Default : 500Ma (0b0001)

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