DATA SHEET • SE2579U: 2.4 GHz HIGH EFFICIENCY FRONT-END

Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com

202429D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 30, 2023

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Table 1. SE2579U Signal Descriptions

Pin No.

Name

Description

1

DNC

Do not connect

2

CRX

WLAN receive antenna switch control

3

DNC

Do not connect

4

CTX

WLAN transmit antenna switch control

5

CREF

Control pin reference ‘high’ level input

6

ANT

Antenna port (must be AC-coupled)

7

CBTB

Antenna switch control for port suitable for Bluetooth® signals

8

LEN

LNA enable

9

GND

Ground

10

VCC3

LNA power supply

11

BT

Port suitable for Bluetooth® signals (must be AC coupled)

12

RX

WLAN receive port (must be AC-coupled)

13

GND

Ground

14

TX

WLAN transmit port (must be AC-coupled)

15

DNC

Do not connect

16

DET

Transmit power detector output

17

VCC1

Power amplifier power supply

18

PEN

Power amplifier enable

19

CBTR

Function back-end switch control for port suitable for Bluetooth® signals

20

VCC2

Power amplifier power supply

Die paddle

GND

Ground