JP3 – LPM
is the jumper used to enable Low Power Mode (LPM). The jumper allows LPM to be enabled or
disabled. The device will operate in Normal mode when LPM is disabled.
LPM
disabled
LPM
enabled
1
0
1
0
Figure 2-2. Low Power Mode Jumper Settings
JP4 – Enable
is the jumper used to enable the converter. The converter is enabled when the Enable is high and
disabled when low. The jumper placement allows the converter to be enabled or disabled.
EN
disabled
EN
enabled
1
0
1
0
Figure 2-3. Enable Jumper Settings
JP5 – 5VgEN
is the jumper used to enable switched 5 V regulated output. The output is enabled when the
Enable is high and disabled when low. The jumper placement allows the converter to be enabled or disabled.
5Vg
disabled
5Vg
enabled
1
0
1
0
Figure 2-4. 5Vg Regulated Output Jumper Settings
JP6 – Bypass
is the jumper used to bypass the low pass filter inductor on the power supply input to the device.
This allows the user to remove the filter from the circuit. The jumper placement allows the inductor to be active or
shorted.
BYPASS
active
BYPASS
shorted
Figure 2-5. Low Pass Filter Inductor Bypass Jumper Settings
2.2 Setup
The input voltage range for the converter is 1.5 V to 40 V. The input voltage must be at least 5 V during start up.
2.3 Operation
For proper operation of the TPIC74101, JP1, JP2, JP3, JP4, JP5, and JP6 should be properly configured. The
recommended setting, using shorting blocks:
JP1 and JP2 to Fast
JP3 to Enabled
Setup
4
TPIC74101EVM User's Guide
SLIU006A – DECEMBER 2011 – REVISED OCTOBER 2022
Copyright © 2022 Texas Instruments Incorporated