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Thermal Performance
It should be noted that these modules are not intended for high cycling applications. Should there
be an interest in higher cycling applications, please consult Maxwell Technologies Applications
Engineering.
The thermal resistance, R
convection at ambient temperature (~ 25
determining the operating limits for the units. Using the R
be determined based upon any current and duty cycle. The temperature rise can be expressed by
the following equation.
where:
I = RMS current (amps)
R
R
d
The T value calculated above plus ambient temperature should remain below the specified
maximum operating temperature for the module (see datasheet).
4. Operation
The module should only be operated within specified voltage and temperature ratings. Determine
whether current limiting is necessary based on the current ratings of attached components.
Observe polarity indicated on module. Do not reverse polarity.
User Manual – BMOD0010 E160 B02 – Doc. No. 3003406.1
© 2022 Maxwell Technologies, Inc.
, of the units has been experimentally determined assuming free
CA
o
C). The R
= equivalent series resistance, R
ESR
= thermal resistance (
CA
= duty cycle fraction
f
value provided on the datasheet is useful for
CA
value a module temperature rise can
CA
(ohms)
DC
o
C/W)
Page 7
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