AD74115BCPZ datasheet(21/103 Pages) AD

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Data Sheet

AD74115

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

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Rev. 0 | 21 of 103

Table 19. Pin Function Description (Continued)

Pin No.

Mnemonic

Description

AVSS1

Negative Analog Supply.

SENSE_EXT2

High Voltage Sense Pin.

SENSE_EXT1

High Voltage Sense Pin

SENSELF

Filtered Low-Side Sense Pin. SENSELF can be switched to an ADC input. This pin is routed to the I/OP screw terminal

side of RSENSE through the off-chip filter.

SENSEL

Low-Side Sense Pin. SENSEL closes the loop within the voltage and current output modes. This pin is routed to the I/OP

screw terminal side of RSENSE.

SENSEHF

Filtered High-Side Sense Pin. SENSEHF can be switched to an ADC input. This pin is routed to the AD74115 side of

RSENSE through the off-chip filter.

SENSEH

High-Side Sense Pin. SENSEH closes the loop within current output mode. This pin is routed to the AD74115 side of

RSENSE.

VIOUT

Voltage or Current Force Pin. VIOUT provides a voltage or a current to the I/OP screw terminal.

CCOMP

Compensation Capacitor Pin. CCOMP allows the AD74115 to drive high capacitive loads in the voltage output use case.

Connect the capacitor between the CCOMP pin and the I/O screw terminal.

AGND

Analog Ground.

LVIN

Low Voltage Input Pin. The voltage on LVIN can be measured by selecting the LVIN option in the diagnostics block. The

measurement voltage range is 0 V to 2.5 V. For best performance, use an antialiasing filter on this pin.

DO_SRC_DGATE

Smart Diode Gate Drive Pin.

DO_SRC_GATE

Sourcing Digital Output Gate Drive.

DO_SRC_SNS

Sourcing Digital Output Sense Pin. If not using the digital output function with an external FET, tie DO_SRC_SNS to

DO_VDD.

DO_SRC_INT

Internal Sourcing Digital Output.

DO_VDD1

Positive Supply for Digital Output Circuit.

DO_SNK_SNS

Sinking Digital Output Sense.

DO_SNK_GATE

Sinking Digital Output Gate Drive.

DO_SNK_INT

Internal Sinking Digital Output.

DGND

Digital Ground.

AVCC1

5 V Analog Supply.

ALDO1V81

1.8 V Analog LDO Output. Do not use ALDO1V8 externally.

Exposed Pad

Exposed Pad. Connect the exposed pad to the AVSS pin.

1 Connect the recommended decoupling capacitors shown in Table 35.

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