HUSB251

Data Sheet

©2023 Hynetek Semiconductor Co., Ltd. All rights reserved.

Page 16 of 21

TYPICAL APPLICATION CIRCUITS

* HUSB251 IFB PIN Sink max current is 200uA; just select the Appropriate value of R1&R2 to ensure the max votage of VBUS

HUSB251

QFN-24

GATE

VFB

CS-

VDD

5mΩ

1

μF/6.3V

D+

510

Ω

1k

Ω

100nF/35V

1

μF/35V

1

μF/6.3V

IFB

VBUS

GND

CC2

CC1

D-

D+

GPIO0

OTP

PIN 1

1

μF

1k

Ω

100nF/35V

Optional

22

Ω

22

Ω

330pF/50V

22

Ω

22

Ω

330pF/50V

GPIO1

ADN

GPIO4

GPIO5

1k

Ω

1k

Ω

680

μF

DC-DC

Converter

R1

R2

VOUT

GND

FB

EN

LDO

OUT

GND

VIN

Battery

10

μF/35V

VIN

Figure 7. Typical Application Circuit for DRP