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DRV8316 Datasheet(PDF) 4 Page - Texas Instruments |
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DRV8316 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 97 page  6 Pin Configuration and Functions INLA INLC INLB Thermal Pad 8 7 6 5 4 3 2 1 AVDD AGND SW_BK GND_BK FB_BK CPH CPL AGND CP NC INHC INHB INHA 25 26 27 28 29 30 31 32 12 11 10 9 VM VM VM PGND NC DRVOFF nFAULT nSLEEP 21 22 23 24 Figure 6-1. DRV8316R-Q1 40-Pin VQFN With Exposed Thermal Pad Top View INLA INLC INLB Thermal Pad 8 7 6 5 4 3 2 1 AVDD AGND SW_BK GND_BK FB_BK CPH CPL AGND CP NC INHC INHB INHA 25 26 27 28 29 30 31 32 12 11 10 9 VM VM VM PGND VSEL_BK DRVOFF nFAULT nSLEEP 21 22 23 24 Figure 6-2. DRV8316T-Q1 40-Pin VQFN With Exposed Thermal Pad Top View Table 6-1. Pin Functions PIN 40-pin Package TYPE(1) DESCRIPTION NAME DRV8316R-Q1 DRV8316T-Q1 AGND 2, 26 2, 26 GND Device analog ground. Refer Layout Guidelines for connections recommendation. AVDD 25 25 PWR O 3.3-V internal regulator output. Connect an X5R or X7R, 1-µF, 6.3-V ceramic capacitor between the AVDD and AGND pins. This regulator can source up to 30 mA externally. CP 8 8 PWR O Charge pump output. Connect a X5R or X7R, 1-µF, 16-V ceramic capacitor between the CP and VM pins. CPH 7 7 PWR Charge pump switching node. Connect a X5R or X7R, 47-nF, ceramic capacitor between the CPH and CPL pins. TI recommends a capacitor voltage rating at least twice the normal operating voltage of the device. CPL 6 6 PWR DRVOFF 21 21 I When this pin is pulled high the six MOSFETs in the power stage are turned OFF making all outputs Hi-Z. FB_BK 3 3 PWR I Feedback for buck regulator. Connect to buck regulator output after the inductor/resistor. GAIN — 36 I Amplifier gain setting. The pin is a 4 level input pin set by an external resistor. GND_BK 4 4 GND Buck regulator ground. Refer Layout Guidelines for connections recommendation. INHA 27 27 I High-side driver control input for OUTA. This pin controls the output of the high-side MOSFET. INHB 29 29 I High-side driver control input for OUTB. This pin controls the output of the high-side MOSFET. INHC 31 31 I High-side driver control input for OUTC. This pin controls the output of the high-side MOSFET. INLA 28 28 I Low-side driver control input for OUTA. This pin controls the output of the low-side MOSFET. DRV8316-Q1 SLVSGK9 – JANUARY 2022 www.ti.com 4 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: DRV8316-Q1 |
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