Texas Instruments TPS2640EVM, Руководство пользователя

Страница: 6 / 24

Table 4-3. Jumper and LED Descriptions (continued)
Jumper Label Description
J12 ILIM CH2 current limit setting
spac 1-2 position sets 2.23 A
spac 3-4 position sets 1.5 A
spac 5-6 position sets 1 A
spac 7-8 position sets 0.2 A
J13 UVLO CH2 UVLO setting
spac Sets internal UVLO (15 V), if installed
J14 OVP CH2 OVP setting
spac 1-2 position sets Vout OVP (38 V) and 2-3 sets Vin OVP at 34.8 V
J15 J15 CH1 input capacitor connects to VIN1, if installed
J16 J16 CH1 input capacitor connects to VIN2, if installed
D1, D7 (RED-
LED)
Fault LED CH1, CH2 fault indicators, respectively. LED turns on when the internal MOSFET is disabled due to
any fault condition such as undervoltage, overvoltage, overload, short circuit, reverse current, and
thermal shutdown.
D6, D9 (GREEN-
LED)
Output power
indicator
CH1, CH2 output power indicators, respectively. LED turns on whenever the output voltage is
available.
4.2 Test Equipment
4.2.1 Power Supplies
One adjustable power supply: 0-V to 42-V output, 0-A to 3-A output current limit.
4.2.2 Meters
One DMM minimum needed and may require more if simultaneous measurements are required.
4.2.3 Oscilloscope
A DPO2024, or equivalent. Three 10x voltage probes and one DC current probe.
4.2.4 Loads
One resistive load which can tolerate up to 3-A DC load at 24 V.
Note
A resistive load is recommended for testing. If an electronic load is used, ensure that the output load is
set in the constant resistance (CR) mode, not in the constant current (CC) mode.
General Configurations www.ti.com
6 TPS2640EVM: Evaluation Module for TPS2640 SLVUBX9 – OCTOBER 2020
Submit Document Feedback
Copyright © 2020 Texas Instruments Incorporated