Siemens XT75 Especificações descarregar pdf (Página 29)

XT65/XT75 Hardware Interface Overview

6 Electrical, Reliability and Radio Characteristics

XT65_XT75_HO_v00.130 Page 29 of 67 2006-10-12

Confidential / Preliminary

6 Electrical, Reliability and Radio Characteristics

6.1 Absolute Maximum Ratings

The absolute maximum ratings stated in Table 11 are stress ratings under any conditions. Stresses beyond any

of these limits will cause permanent damage to XT65/XT75.

The power supply connected to the XT65/XT75 module shall be compliant with the SELV requirements defined

in EN60950. Above all, the peak current of the power supply shall be limited according to Table 11.

Table 11: Absolute maximum ratings

Parameter Min Max Unit

Peak current of power supply 3.2 A

Supply voltage BATT+ -0.3 5.5 V

Voltage at digital pins in POWER DOWN mode -0.3 0.3 V

Voltage at digital pins in normal operation -0.3 3.05

or VEXT+0.3

Voltage at analog pins in POWER DOWN mode -0.3 0.3 V

Voltage at analog pins, VMIC on

For normal operation the voltage at analog pins with VMIC on should be within the range of 0V to 2.4V

and with VMIC off within the range of -0.25V to 0.25V.

-0.3 2.75 V

Voltage at analog pins, VMIC off

-0.3 0.3 V

Voltage at VCHARGE pin -0.3 5.5 V

Voltage at CHARGEGATE pin -0.3 5.5 V

VUSB_IN -0.3 5.5 V

USB_DP, USB_DN -0.3 3.5 V

VSENSE 5.5 V

ISENSE 5.5 V

PWR_IND -0.3 510 V

VDDLP -0.3 5.5 V

GSM antenna -36 36 V

GPS antenna -0.3 V

BATT+

+0.3 V

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