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DRV8312DDWR Datasheet(PDF) 4 Page - Texas Instruments |
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DRV8312DDWR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 31 page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GVDD_C VDD NC NC PWM_C RESET_C RESET_B OC_ADJ GND AGND VREG M3 M2 M1 PWM_B RESET_A PWM_A NC FAULT NC OTW GVDD_B DRV8312 DDW Package (Top View) GVDD_C BST_C NC PVDD_C PVDD_C OUT_C GND_C GND GND NC NC BST_B PVDD_B OUT_B GND_B GND_A OUT_A PVDD_A PVDD_A NC BST_A GVDD_A 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 26 27 25 24 23 22 21 20 19 GVDD_B FAULT RESET_A RESET_C PWM_B PWM_C RESET_B OTW GND PWM_A AGND OC_ADJ VREG VDD GVDD_C M3 M2 M1 GVDD_A BST_A PVDD_A OUT_A GND_A GND_B OUT_B PVDD_B BST_B NC NC GND GND GND_C OUT_C PVDD_C BST_C GVDD_C DRV8332 DKD Package (Top View) DRV8312 DRV8332 SLES256 – MAY 2010 www.ti.com DEVICE INFORMATION Pin Assignment Here are the pinouts for the DRV8312/32: • DRV8312: 44-pin TSSOP power pad down DDW package. This package contains a thermal pad that is located on the bottom side of the device for dissipating heat through PCB. • DRV8332: 36-pin PSOP3 DKD package. This package contains a thick heat slug that is located on the top side of the device for dissipating heat through heatsink. Pin Functions PIN FUNCTION (1) DESCRIPTION NAME DRV8312 DRV8332 AGND 12 9 P Analog ground BST_A 24 35 P High side bootstrap supply (BST), external capacitor to OUT_A required BST_B 33 28 P High side bootstrap supply (BST), external capacitor to OUT_B required BST_C 43 20 P High side bootstrap supply (BST), external capacitor to OUT_C required GND 13, 36, 37 8 P Ground GND_A 29 32 P Power ground for half-bridge A requires close decoupling capacitor to ground GND_B 30 31 P Power ground for half-bridge B requires close decoupling capacitor to ground GND_C 38 23 P Power ground for half-bridge C requires close decoupling capacitor to ground GVDD_A 23 36 P Gate-drive voltage supply GVDD_B 22 1 P Gate-drive voltage supply GVDD_C 1, 44 18, 19 P Gate-drive voltage supply M1 8 13 I Mode selection pin M2 9 12 I Mode selection pin M3 10 11 I Reserved mode selection pin, AGND connection is recommended NC 3,4,19,20,25,34,35 26,27 - No connection pin. Ground connection is recommended ,42 OC_ADJ 14 7 O Analog overcurrent programming pin, requires resistor to AGND (1) I = input, O = output, P = power, T = thermal 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): DRV8312 DRV8332 |
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