L6717TR datasheet(10/56 Pages) STMICROELECTRONICS

10 / 56 page

Pins description and connection diagrams

L6717

10/56

Doc ID 17326 Rev 1

CS1P

Channel 1 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 1 inductor. See

Section 11 for proper layout of this connection.

CS1N

Channel 1 current sense negative input.

Connect through a RG resistor to the output-side of the channel inductor. Filter the

Vout-side of RG resistor with 100nF to GND.

See Section 11 for proper layout of this connection.

CS2P

Channel 2 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 2 inductor. See

Section 11 for proper layout of this connection.

CS2N

Channel 2 current sense negative input.

Connect through a RG resistor to the output-side of the channel inductor. Filter the

Vout-side of RG resistor with 100nF to GND.

See Section 11 for proper layout of this connection.

CS3P

Channel 3 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 3 inductor. When

working at 2 phase, directly connect to Vout_CORE.

See Section 11 for proper layout of this connection.

CS3N

Channel 3 current sense negative input.

Connect through a RG resistor to the output-side of the channel inductor. When

working at 2 phase, connect through RG to CS3+. Filter the Vout-side of RG resistor

with 100nF to GND.

See Section 11 for proper layout of this connection.

CS4P

Channel 4 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 4 inductor. When

working at 2 or 3 phase, directly connect to Vout_CORE.

See Section 11 for proper layout of this connection.

CS4N

Channel 4 current sense negative input.

Connect through a RG resistor to the output-side of the channel inductor. When

working at 2 or 3 phase, connect through RG to CS4+.Filter the Vout-side of RG

resistor with 100nF to GND.

See Section 11 for proper layout of this connection.

NB_CSP

NB channel current sense positive input.

Connect through an R-C filter to the phase-side of the NB channel inductor. See

Section 11 for proper layout of this connection.

NB_CSN

NB channel current sense negative input.

Connect through a RG resistor to the output-side of the channel inductor. Filter the

Vout-side of RG resistor with 100nF to GND.

See Section 11 for proper layout of this connection.

Table 2.

Pin description (continued)

Pin#

Name

Function

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