Texas Instruments TPS2120EVM, Руководство пользователя

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General Configurations
5 SLVUBD2A – September 2018 – Revised January 2019
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TPS212x Evaluation Module
Table 7. TPS2120 Jumper Description
Input Connector Label Description
VIN1
J1, J2, J3 PR1 Resistors (3.3 V, 5 V, 12 V)
Sets priority operation based on voltage
J1 sets 3.3 V
J2 sets 5 V
J3 sets 12 V
J4, J5, J6 OV1 Resistors (3.3 V, 5 V, 12 V)
Sets overvoltage protection for VIN1 channel
J4 sets 3.3 V
J5, sets 5 V
J6 sets 12 V
JP2 PR1
Priority operation control
Position 1-2 sets VCOMP (GND)
Position 2-3 sets VREF
VIN2
J7, J8, J9 OV2 Resistors (3.3 V, 5 V, 12 V)
Sets overvoltage protection for VIN2 channel
J10 sets 3.3 V
J11, sets 5 V
J12 sets 12 V
JP1 SEL
Selects between priority control or GND
Position 1-2 disables priority
Position 2-3 enables priority
VOUT
J12 100 µF 100-µF output capacitor
J13 100 µF 100-µF output capacitor
J14 220 µF 220-µF output capacitor
J15 10 Ω 10- Ω external resistor
J16 -
Female header for custom output resistance,
capacitance
JP3 ST
Sets adjustable hysteresis
Position 1-2 sets ST
Position 2-3 disables (GND)
J18, J19 SS Soft-start control
JP4 ILIM
Current Limit Control
Position 1-2 sets 4.5 A maximum
Position 2-3 sets 2 A
No jumper sets 1.5 A