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DRV8320RHRHAR Datasheet(PDF) 7 Page - Texas Instruments |
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DRV8320RHRHAR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 80 page  1 FB 36 DVDD 2 PGND 35 AGND 3 CPL 34 CAL 4 CPH 33 ENABLE 5 VCP 32 nSCS 6 VM 31 SCLK 7 VDRAIN 30 SDI 8 GHA 29 SDO 9 SHA 28 nFAULT 10 GLA 27 DGND 11 SPA 26 VREF 12 SNA 25 SOA Not to scale Thermal Pad 1 FB 36 DVDD 2 PGND 35 AGND 3 CPL 34 CAL 4 CPH 33 ENABLE 5 VCP 32 GAIN 6 VM 31 VDS 7 VDRAIN 30 IDRIVE 8 GHA 29 MODE 9 SHA 28 nFAULT 10 GLA 27 DGND 11 SPA 26 VREF 12 SNA 25 SOA Not to scale Thermal Pad 7 DRV8320, DRV8320R DRV8323, DRV8323R www.ti.com SLVSDJ3 – FEBRUARY 2017 Product Folder Links: DRV8320 DRV8320R DRV8323 DRV8323R Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Pin Functions—40-Pin DRV8323 Devices (continued) PIN TYPE (1) DESCRIPTION NAME NO. DRV8323H DRV8323S SHA 7 7 I High-side source sense input. Connect to the high-side power MOSFET source. SHB 14 14 I High-side source sense input. Connect to the high-side power MOSFET source. SHC 17 17 I High-side source sense input. Connect to the high-side power MOSFET source. SNA 10 10 I Shunt amplifier input. Connect to the low-side of the current shunt resistor. SNB 11 11 I Shunt amplifier input. Connect to the low-side of the current shunt resistor. SNC 20 20 I Shunt amplifier input. Connect to the low-side of the current shunt resistor. SOA 23 23 O Shunt amplifier output. SOB 22 22 O Shunt amplifier output. SOC 21 21 O Shunt amplifier output. SPA 9 9 I Low-side source sense and shunt amplifier input. Connect to the low-side power MOSFET source and high-side of the current shunt resistor. SPB 12 12 I Low-side source sense and shunt amplifier input. Connect to the low-side power MOSFET source and high-side of the current shunt resistor. SPC 19 19 I Low-side source sense and shunt amplifier input. Connect to the low-side power MOSFET source and high-side of the current shunt resistor. VCP 3 3 PWR Charge pump output. Connect a X5R or X7R, 1-µF, 16-V ceramic capacitor between the VCP and VM pins. VDRAIN 5 5 I High-side MOSFET drain sense input. Connect to the common point of the MOSFET drains. VDS 28 — I VDS monitor trip point setting. This pin is a 7 level input pin set by an external resistor. VM 4 4 PWR Gate driver power supply input. Connect to the bridge power supply. Connect a X5R or X7R, 0.1-µF, VM-rated ceramic and greater then or equal to 10-uF local capacitance between the VM and PGND pins. VREF 24 24 PWR Shunt amplifier power supply input and reference. Connect a X5R or X7R, 0.1-µF, 6.3-V ceramic capacitor between the VREF and AGND pins. DRV8323RH RGZ Package 48-Pin VQFN With Exposed Thermal Pad Top View DRV8323RS RGZ Package 48-Pin VQFN With Exposed Thermal Pad Top View (1) PWR = power, I = input, O = output, NC = no connection, OD = open-drain Pin Functions—48-Pin DRV8323R Devices PIN TYPE (1) DESCRIPTION NAME NO. DRV8323RH DRV8323RS AGND 35 35 PWR Device analog ground. Connect to system ground. BGND 43 43 PWR Buck regulator ground. Connect to system ground. CAL 34 34 I Amplifier calibration input. Set logic high to internally short amplifier inputs. |
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