RT7204E datasheet(12/45 Pages) RICHTEK

12 / 45 page

RT7204E

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

RT7204E_DS-00

May 2024

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

VCONN Voltage

VVCONN

VDD = 5V, IVCONN = 0mA

4.2

4.4

VDD = 5V, IVCONN = 30mA

3.3

VCONN Short-Circuit

Current

IVCONN_SC

(

Note 6)

VBUS Section

Maximum VBUS

Discharge Current

IVBUS_DIS

VDD = 3V to 21V

VBUS Pull-Low

Impedance

RVBUS_L

IVBUS = 2mA

0.7

1.3



VBUS Divider Resistor

for ADC Sensing

RVBUS_ADC

RVBUS_ADC = RVBUS1 +

RVBUS2

294

420

546



VBUS Scaling Factor for

ADC Sensing

KVBUS_ADC

KVBUS_ADC = (RVBUS1 +

RVBUS2) / RVBUS2

(Note 6)

9.7

10.3

VBUS Drop Threshold

for Output Short

Protection

VVBUS_DROP

VDD > 3.3V

If VDD - VBUS >

VVBUS_DROP,

1. The blocking

MOSFET can be turned

off or left on based on

the register setting

2. Send a flag to MCU

3. Disable/enable by

(

Note 6)

0.2

0.3

0.4

0.3

0.4

0.5

VBUS Drop Deglitch

Time for Output Short

Protection

tVBUS_DROP

VDD > 5V

(

Note 6)

s

USBP Section

USBP Output High

Voltage

VUSBP_OH

VDD +

8.5

VDD +

USBP Undervoltage

Protection Threshold

VUSBP_UVP

1. Disable/Enable by register

2. Send a flag to MCU

3. The blocking MOSFET can

be turned off or left on based

on the register setting

4. Disable/enable by register

VDD +

4.5

VDD +

USBP Undervoltage

Deglitch Time

tUSBP_UVP

(Note 6)

s

Pull-Low Resistance

when USBP Turn-Off

RUSBPOFF_OL

1. For VDD > VVDD_ON

2. If USBP is turned Off



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