andy at openmoko.com
Wed Feb 13 10:20:55 CET 2008
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Somebody in the thread at some point said:
> Hi All:
>> Today, I will found what device consume the 5mA current what device with 3.7V.
>> For now, suspend mode, we will turn off GSM, BT, WLAN, and AGPS.
> I found that Audio Amplifer (U4101) is power on and I shut it down.
> The total current is 2.06mA on VBAT=3.7V.
YAHOOO! Great work Allen! 7.6mW!
> I summarize the current consumption, today.
> CORE_1V3 OFF
> SD_3V3 OFF
> CODEC_3V3 OFF
> BT_3V2 OFF
> RF_3V OFF
> LCM 3V OFF
> VB_GSM OFF (reomve B1701)
> IO_3V3 is ON and 0.97 mA
> S3C2442 VDDOP ==>0.2mA <== OK
> S3C2442 VDDA_ADC ==>0.00mA
> Audio Codec ==>0.00mA
> GLAMO_3362 LOVDD ==> 0.00mA
> GLAMO_3362 UOVDD ==> 0.00mA
> GLAMO_3362 AOVDD ==> 0.00mA
> Gensor (U7801,U7802) ==>0.07mA *2 <== Hm OK
> IO_1V8 is ON and 0.5mA <== SDRAM OK
> I think these other currents maybe is pull high, pull down resistor, and some digital logics...etc
Agree, I'll take a last look around with this really excellent list in mind.
> I think 2 mA is OK for our S3C2442 part.
Yeah we're doing very well now, great work.
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