VN7016AJTR datasheet(29/45 Pages) STMICROELECTRONICS

Part #	VN7016AJTR

Description	High-side driver with MultiSense analog feedback

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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VN7016AJ

Application information

4.4.1

Principle of Multisense signal generation

Figure 38: MultiSense block diagram

Current monitor

When current mode is selected in the MultiSense, this output is capable to provide:

•

Current mirror proportional to the load current in normal operation, delivering current

proportional to the load according to known ratio named K

•

Diagnostics flag in fault conditions delivering fixed voltage VSENSEH

The current delivered by the current sense circuit, ISENSE, can be easily converted to a

voltage VSENSE by using an external sense resistor, RSENSE, allowing continuous load

monitoring and abnormal condition detection.

Normal operation (channel ON, no fault, SEn active)

While device is operating in normal conditions (no fault intervention), VSENSE calculation can

be done using simple equations

Current provided by MultiSense output: ISENSE = IOUT/K

Voltage on RSENSE: VSENSE = RSENSE · ISENSE = RSENSE · IOUT/K

Where:

•

VSENSE is voltage measurable on RSENSE resistor

•

ISENSE is current provided from MultiSense pin in current output mode

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