Texas Instruments TCA9536EVM, User Manual

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3 Adjustable pull-up resistors
TCA9536EVM comes with adjustable pull-up resistors which allows for the user to select from a 4.7 kΩ down to
a ~515 Ω resistor. The pull-up resistor selectors (J4 and J8)are shown in
Figure 3-1 .
Table 3-1. Effective pull-up resistor values table
Pull-up resistor (Ω) Equivalent pull-up resistance (Ω)
4.7 k || 2 k 1.4 k
4.7 k || 820 ~699
2k || 820 ~580
4.7 k || 2k || 820 ~515
Figure 3-1. Adjustable pull-up resistors
www.ti.com Adjustable pull-up resistors
SCPU046 – SEPTEMBER 2021
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TCA9536EVM User's Guide 3
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