Texas Instruments DRV821 EVM Series, Руководство пользователя, Страница: 5 / 16

3 Test Points
Table 3-1. DRV821xEVM and DRV8220EVM Test Points
Test Point Description
J4 • Header contains all the MCU control signals (EN/IN1, PH/IN2, MODE/nSLEEP, VCC_DRV, and ISENSE).
–
EN/IN1 & PH/IN2: input control signals
– MODE/nSLEEP: multi-purpose pin; pin used as MODE selector pin when DRV821xDSG or DRV8220DSG is
populated; pin used as nSLEEP when DRV821xPDSG is populated.
– VCC_DRV: signal functions as nSLEEP when the DRV8220DSG is populated.
– ISENSE: output from the current sense amplifier (U4).
• R2, R3, R4, R16, and R19 can be removed to connect external MCU to J4.
J2 Header use to set the state of the MODE/nSLEEP signal. MODE/nSLEEP can be set to either GND or 3.3 V.
J7 Header use to short VCC_DRV to 3.3 V to awake the DRV8220DSG
J6 4-pin connector to program MSP430FR2100 on the EVM (read Section 2 )
J5 GND test point
TP6 and TP7 OUT1 and OUT2 test points
TP1 VM test point
TP5 VCC (3.3 V LDO output) test point.
www.ti.com Test Points
SLOU540A – NOVEMBER 2020 – REVISED DECEMBER 2020
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DRV821xEVM and DRV8220EVM User's Guide 5
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