HUSB251

Data Sheet

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

Page 6 of 21

RECOMMENDED OPERATING CONDITIONS

Table 2.

Parameter

Rating

VIN Input Voltage

3.15 V to 29.4 V

Operating Junction Temperature Range (TJ)

−40 °C to 125 °C

Ambient Temperature Range (TA)

-40 °C to 85 °C

SPECIFICATIONS

VIN = 3.15 V to 29.4 V, TJ = −40°C to 125°C for minimum and maximum specifications, and TA = 25°C for typical

specifications, unless otherwise noted.

Table 3. Electrical Characteristics

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

Power Supply

Supply Voltage

UVLO Threshold

VIN_UVLO

Rising edge

3.3

V

Supply Voltage

UVLO Hysteresis

VIN_UVLO_HYS

300

mV

Operation Mode

Supply Current

ICC_OPR

CC is attached with a Rd, normal operation

4

mA

Sleep Mode Supply

Current

ICC_SLP

CC is attached with a Rd, configured in sleep mode

1.5

mA

Internal Regulator

(VDD)

Output Voltage

VDD

1.5

V

Type C Pull up current

source (CC1, CC2)

Default Current

Source

IRP_DFT

64

80

96

μA

1.5 A Current Source

IRP_1.5A

166

180

194

μA

3 A Current Source

IRP_3A

304

330

356

μA

Rd Detection

Threshold 1

vRd_OPEN_1.5A

Default or 1.5 A Rp current source is enabled, TA =

25°C

1.55

1.6

1.65

V

Rd Detection

Threshold 2

vRd_OPEN_3A

3 A Rp current source is enabled, TA = 25°C

2.50

2.6

2.70

V

Ra Detection

Threshold 0

vRa_DEF

Default Rp current source is enabled, TA = 25°C

0.15

0.2

0.25

V

Ra Detection

Threshold 1

vRa_1.5A

1.5 A Rp current source is enabled, TA = 25°C

0.35

0.4

0.45

V

Ra Detection

Threshold 2

vRa_3A

3 A Rp current source is enabled, TA = 25°C

0.75

0.8

0.85

V

CC Impedance in

Disable Mode

RP_DIS

CC impedance with RP is disabled

2

MΩ

VCONN Output

Voltage

vVCONN

VCONN is enabled

3

5

5.5

V

VCONN Output

Current Limit

IVCONN

VIN = 3.3 V to 5.5 V and VCONN is enabled

20

mA

Type C Pull down

resistor (CC1, CC2)

Sink Pull Down

Resistor

Rd

Vin>VIN_UVLO

4.6

5.1

5.6

kΩ

Ra Detection

Threshold as Sink

VRa_SNK

Configured as Sink

0.15

0.20

V