AM3352: Power consumption

jacky wang1

Intellectual 340 points

Part Number: AM3352

Hi，

we used AM3352，but i don't understand some places.

1.I don't understand OP100,OP50,OP120,Nitro，Turbo（please see red box）， What do they mean？we don't know what we choosed

2.what is operating maximum current of AM3352 in 0--60℃？

3. when 1Ghz，maximum current is 1000mA, it is so high，but I understanding it is not so high，because Generally, the maximum LDO current is about 1A.，so LDO have a hard time satisfying the normal working of AM3352 ，TJ of AM3352 and LDO are very high. how to understand it?

4.Which I/O high level is 3.3V? and Which I/O high level is 1.5V? and Which I/O high level is 1.8V?

Thanks

over 4 years ago

0 Biser Gatchev-XID over 4 years ago

TI__Guru**** 393215 points

Hi,

jacky wang1 said:
1. I don't understand OPP100, OPP50, OPP120, Nitro ,Turbo. What do they mean?

OPP means operating performance point. See section 5.4 in the AM335x Datasheet Rev. K.

jacky wang1 said:
2. What is operating maximum current of AM3352 in 0-60℃?

Table 5-10 lists maximum current ratings for AM335x devices. There is no specific table for AM3352 at 0-60℃. You can use the Power Estimation tool to see approximate power consumption for your use case: http://www.ti.com/tool/POWEREST

jacky wang1 said:
3. When 1Ghz maximum current is 1000mA....

Please use the Power Estimation tool to see approximate power consumption for your use case: http://www.ti.com/tool/POWEREST

jacky wang1 said:
4. Which I/O high level is 3.3V, which I/O high level is 1.5V, which I/O high level is 1.8V?

The only interface which can use 1.5V I/O voltage is the DDR interface, if VDDS_DDR is 1.5V. As for 1.8V and 3.3V I/O levels, they depend on the VDDSHVx voltage for the corresponding I/O pin. See Table 4-2 in the AM335x Datasheet Rev. K for details. Look at column "ZCE POWER / ZCZ POWER" for each pin.

0 jacky wang1 over 4 years ago in reply to Biser Gatchev-XID

Intellectual 340 points

1. what do "A" (please see red box) mean？i don't understand it.

2.As for 1.8V and 3.3V I/O levels, they depend on the VDDSHVx voltage for the corresponding I/O pin.for example i expect VDDSHV1 is 3.3V,how to configure?

3.i don't have AM335x Datasheet Rev. K，please supply it

Thanks