STM32L071KB datasheet(59/148 Pages) STMICROELECTRONICS

59 / 148 page

DS10690 Rev 7

59/148

STM32L071xx

Electrical characteristics

112

Table 23. Current characteristics

Symbol

Ratings

Max.

Unit

ΣIVDD(2)

Total current into sum of all VDD power lines (source)(1)

1. All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power

supply, in the permitted range.

105

ΣIVSS(2)

2. This current consumption must be correctly distributed over all I/Os and control pins. The total output

current must not be sunk/sourced between two consecutive power supply pins referring to high pin count

LQFP packages.

Total current out of sum of all VSS ground lines (sink)(1)

105

ΣIVDDIO2

Total current into VDDIO2 power line (source)

IVDD(PIN)

Maximum current into each VDD power pin (source)(1)

100

IVSS(PIN)

Maximum current out of each VSS ground pin (sink)(1)

100

IIO

Output current sunk by any I/O and control pin except FTf

pins

Output current sunk by FTf pins

Output current sourced by any I/O and control pin

-16

ΣIIO(PIN)

Total output current sunk by sum of all IOs and control pins

except PA11 and PA12(2)

Total output current sunk by PA11 and PA12

Total output current sourced by sum of all IOs and control

pins(2)

-90

IINJ(PIN)

Injected current on FT, FTf, RST and B pins

-5/+0(3)

3. Positive current injection is not possible on these I/Os. A negative injection is induced by VIN<VSS. IINJ(PIN)

must never be exceeded. Refer to Table 22 for maximum allowed input voltage values.

Injected current on TC pin

± 5(4)

4. A positive injection is induced by VIN > VDD while a negative injection is induced by VIN < VSS. IINJ(PIN)

must never be exceeded. Refer to Table 22: Voltage characteristics for the maximum allowed input voltage

values.

ΣIINJ(PIN)

Total injected current (sum of all I/O and control pins)(5)

5. When several inputs are submitted to a current injection, the maximum

ΣIINJ(PIN) is the absolute sum of the

positive and negative injected currents (instantaneous values).

± 25

Table 24. Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

–65 to +150

°C

Maximum junction temperature

150

°C

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