User's Manual Part 1

MC75 Hardware Interface Description
Strictly confidential / Draft
s
MC75_V00.190a Page 65 of 91 15.02.2005
5 Electrical, Reliability and Radio Characteristics
5.1 Absolute Maximum Ratings
The absolute maximum ratings stated in Table 14 are stress ratings. Stresses beyond any of
these limits will cause permanent damage to MC75.
Table 14: Absolute maximum ratings
Parameter Min Max Unit
Supply voltage BATT+ -0.3 5.5 V
Voltage at digital pins -0.3 3.05 V
Voltage at analog pins -0.3 3.0 V
Voltage at digital / analog pins in Power-down mode TBD TBD 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
VSENSE 5.5
V
ISENSE 5.5
V
5.2 Operating Temperatures
Test conditions were specified in accordance with IEC 60068-2 (still air). The values stated
below are in compliance with GSM recommendation TS 51.010-01.
Table 15: Operating temperatures
Parameter Min Typ Max Unit
Ambient temperature (according to GSM 11.10) -30 +25 +65 °C
Automatic shutdown
MC75 board temperature
Battery temperature
-30
-20
---
---
+90
+60
°C
Ambient temperature for charging (software controlled fast
charging)
0 --- +45 °C