#1 Oct. 12, 2017 12:26:20

prix
Registered: 2015-09-09
Posts: 3
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Voltage level shiffter

Hello,
I am currently designing a custom WLAN adapter with Sterling-LWB5 chipset.
I have a 3.3V host, but LWB5 accepts only 1.8V on IO pins.
What voltage level shiffter do you recommend?
I was thinking of TXS0108E?
Regards,
Primoz

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#2 Oct. 13, 2017 17:06:49

SupportEngineer
Registered: 2016-03-11
Posts: 47
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Voltage level shiffter

Hello,

The TXB0106RGYR from TI has been used in the past on our test platforms. That said, you could use that part as a cross-reference to evaluate if the TXS0108E can be used.

Regards,
Laird/LSR

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#3 Oct. 17, 2017 12:26:11

prix
Registered: 2015-09-09
Posts: 3
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Voltage level shiffter

Hello,
thank you for answer!
If found the difference between TXB and TXS series from Texas Instruments.
TXS series are designed for open-drain & push-pull applications.
While on the other hand, TXB are designed only for push-pull applications.
TXB series are also designed for higher operating frequencies (better switching characteristics).
I guess SDIO on iMX6 SoC is a push-pull use-case.

Could you perhaps share schematics for LWB5 + TXB0106 ?

Regards,
Primoz


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#4 Oct. 18, 2017 13:51:15

SupportEngineer
Registered: 2016-03-11
Posts: 47
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Voltage level shiffter

Hi,

What variant of the LWB5 module are you working with? Also, can you please email our Support Alias (cs-support@lairdtech.com) so that we can email the schematics directly?

Regards,
Laird/LSR

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#5 Oct. 19, 2017 05:17:02

prix
Registered: 2015-09-09
Posts: 3
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Voltage level shiffter

Hello,
I've sent an email with inquiry.
Otherwise I am using LWB5 U.FL modules.
Regards,
Primoz

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