NX5P2190

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© NXP Semiconductors N.V. 2015. All rights reserved.

Product data sheet

Rev. 1.1 — 15 January 2015

4 of 20

NXP Semiconductors

NX5P2190

Logic controlled high-side power switch

7.2 Pin description

8.

Functional description

[1]

H = HIGH voltage level; L = LOW voltage level, Z = high-impedance OFF-state, X = Don’t care.

[1]

See Figure 22.

Table 3.

Pin description

Symbol

Pin

Description

VINT

A1, B1

internal circuitry voltage I

VBUS

A3, B3

external connector voltage O

EN

C1

enable input (active HIGH) I

ILIM

C3

current limiter I/O

VDET

A2

VBUS voltage level indicator O

FAULT

B2

fault condition indicator (open-drain; active LOW)

GND

C2

ground (0 V)

Table 4.

Function table[1]

EN

VINT

VBUS

FAULT Operation mode

X

0 V

Z

L

No supply

X

0 V

< 30 V

Z

Disabled; switch open

X

< 3.2 V

Z

L

Under-voltage lockout; switch open

H

> 5.5 V

Z

L

Over-voltage lockout; switch open

H

3.2 V to 5.5 V

Z

L

Over-temperature; switch open

L

3.2 V to 5.5 V

Z

Z

Disabled; switch open

H

3.2 V to 5.5 V

VBUS = VINT

Z

Enabled; switch closed; active

H

3.2 V to 5.5 V

0 V to VINT

L

Over-current; Switch open; constant current on VBUS

H

3.2 V to 5.5 V

0 V to VINT

L

When ILIM is connected to GND, VBUS is default

supplied with 10 mA current source

H

3.2 V to 5.5 V

VINT + 30 mV < VBUS < VINT +

0.45 V (> 4 ms)

L

Reverse bias current/back drive; switch open

H

3.2 V to 5.5 V

VBUS > VINT + 0.45 V

L

Reverse bias current/back drive; switch open

Table 5.

Function table VDET versus VBUS[1]

VBUS

VDET

Operation mode

3 V < VBUS < 30 V

1.5 < VDET < 5.5 V VDET detects VBUS voltage