Texas Instruments TPS22810EVM, User Manual

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General Configurations
3 SLVUAY7B – November 2016 – Revised January 2018
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Copyright © 2016–2018, Texas Instruments Incorporated
TPS22810 Load Switch Evaluation Module
Table 3. Test Points Description (continued)
Channel Test Points Label Description
CH2
TP9 VIN2 CH2 power supply input
TP10 VIN2_SENSE CH2 input voltage sense
TP11 VOUT2_SENSE CH2 output voltage sense
TP12 VOUT2 CH2 output voltage
TP13 CT CH2 slew rate control voltage
TP14 EN2 CH2 enable input
TP15, TP16 GND2 GND
Table 4. Jumper and LED Descriptions
Jumper Label Description
J1 UVLO
CH1 UVLO selection
spac 1-2 position disables the device
spac 2-3 position sets default UVLO and enables the device
spac Open position sets UVLO according to R4 and R5 ratio
J2 QOD
CH1 Quick Output Discharge (QOD) resistance selection
spac 1-2 position sets 511- Ω external resistance in series with the QOD pin
spac 3-4 position sets 249- Ω external resistance in series with the QOD pin
spac 5-6 position sets default internal value
spac Open position disables QOD function
J3 J3 CH1 10-µF capacitor connects to VOUT1, if installed
J4 J4 CH1 output power indicator LED pulled to VOUT1, if installed
J5 UVLO
CH2 UVLO selection
spac 1-2 position disables the device
spac 2-3 position sets default UVLO and enables the device
spac Open position sets UVLO according to R9 and R10 ratio
J6 QOD
CH2 Quick Output Discharge (QOD) resistance selection
spac 1-2 position sets 511-
Ω
external resistance in series with the QOD pin
spac 3-4 position sets 249- Ω external resistance in series with the QOD pin
spac 5-6 position sets default internal value
spac Open position disables QOD function
J7 J7 CH2 10-µF capacitor connects to VOUT2, if installed
J8 J8 CH2 output power indicator LED pulled to VOUT2, if installed
D1, D2 (GREEN-
LED)
Output power indicator
CH1, CH2 output power indicators, respectively. LED turns on whenever the
output voltage is available.
3.2 Test Equipment
This section lists the following equipment required for test setup.
3.2.1 Power Supplies
One adjustable power supply: 0- to 20-V output, 0- to 3-A output current limit.
3.2.2 Meters
One DMM minimum needed and may require more if simultaneous measurements are required.
3.2.3 Oscilloscope
A DPO2024, or equivalent. Three 10× voltage probes and one DC current probe.