Texas Instruments TPS25980, User Manual, Page: 4 / 23

General Configurations
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4 SLUUCB4 – June 2020
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TPS25980EVM: Evaluation Module for TPS25980x efuse
4 General Configurations
4.1 Physical Access
Table 2 lists the TPS25980EVM eFuse Evaluation Board input and output connector functionality. Table 3
and Table 4 describe the test point availability and the jumper functionality. Table 5 describes the auto-
retries and retry-delay settings.
Table 2. Input and Output Connector Functionality
Connector Label Description
J1 VIN Power input connector to the positive rail of the input power supply
J3 PGND Ground connection for the power supply
J2 VOUT Power output connector to the positive side of the load
J5 PGND Ground connection for the load
Table 3. Test Points Description
Test Points Label Description
TP1 VIN Input power supply to the EVM
TP2 VOUT Output from the EVM
TP3 EN/UVP Active high enable and undervoltage input
TP4 VCC_EXT External power supply input for Power Good pullup
TP5 PG Power Good test point
TP6 LDSTRT Load handshake signal input point
TP7 PGND System ground
TP8 GND GND(IC GND)
TP9 GND GND(IC GND)
TP10 GND GND(IC GND)
TP11 ITIMER Fault timer voltage
TP12 ILIM Sets current limit threshold
TP13 RETRY_DLY Sets retry delay time
TP14 DVDT Output voltage ramp control
TP15 IMON Load current monitor
Table 4. Jumper and LED Descriptions
Jumper Label Description
J4 NRETRY NRETRY setting number of auto-retries. Please refer Table 5 for details
1-2 Position shorts to ground
3-4 Position sets 68 nF
J6 IMON Current scale setting
1-2 Position sets 0.13 V/A
3-4 Position sets 0.25 V/A
J7 PG Pull-Up PG Pull-Up voltage setting
1-2 Position sets external source “VCC_EXT”
3-4 Position sets 3.3 V
J8 LDSTRT LDSTRT setting
Install J8 to disable the LDSTRT function
OPEN J8 to feed LDSTRT signal externally
J9 ITIMER ITIMER setting (sets delay before entering into current limit)
OPEN sets ‘0’sec delay
1-2 Position sets 200 µs delay
3-4 Position sets 2 ms delay
5-6 Position sets 20 ms delay