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DRV8886PWPR Datasheet(PDF) 3 Page - Texas Instruments |
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DRV8886PWPR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 39 page 1 CPL 24 DECAY 2 CPH 23 TRQ 3 VCP 22 M1 4 VM 21 M0 5 AOUT1 20 DIR 6 PGND 19 STEP 7 AOUT2 18 ENABLE 8 BOUT2 17 nSLEEP 9 PGND 16 RREF 10 BOUT1 15 nFAULT 11 VM 14 DVDD 12 GND 13 AVDD Not to scale Thermal Pad 3 DRV8886 www.ti.com SLVSDA4 – JANUARY 2017 Product Folder Links: DRV8886 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) I = input, O = output, PWR = power, OD = open-drain 5 Pin Configuration and Functions PWP PowerPAD™ Package 24-Pin HTSSOP Top View Pin Functions PIN TYPE(1) DESCRIPTION NAME NO. AOUT1 5 O Winding A output. Connect to stepper motor winding. AOUT2 7 AVDD 13 PWR Internal regulator. Bypass to GND with a X5R or X7R, 0.47-µF, 6.3-V ceramic capacitor. BOUT1 10 O Winding B output. Connect to stepper motor winding. BOUT2 8 CPH 2 PWR Charge pump switching node. Connect a X5R or X7R, 0.022-µF, VM-rated ceramic capacitor from CPH to CPL. CPL 1 DECAY 24 I Decay-mode setting. Sets the decay mode (see the Decay Modes section). Decay mode can be adjusted during operation. DIR 20 I Direction input. Logic level sets the direction of stepping; internal pulldown resistor. DVDD 14 PWR Internal regulator. Bypass to GND with a X5R or X7R, 0.47-µF, 6.3-V ceramic capacitor. ENABLE 18 I Enable driver input. Logic high to enable device outputs; logic low to disable; internal pulldown resistor. GND 12 PWR Device ground. Connect to system ground. M0 21 I Microstepping mode-setting. Sets the step mode; tri-level pins; sets the step mode; internal pulldown resistor. M1 22 PGND 6 PWR Power ground. Connect to system ground. 9 RREF 16 I Current-limit analog input. Connect a resistor to ground to set full-scale regulation current. STEP 19 I Step input. A rising edge causes the indexer to advance one step; internal pulldown resistor. TRQ 23 I Current-scaling control. Scales the output current; tri-level pin. VCP 3 PWR Charge pump output. Connect a X5R or X7R, 0.22-µF, 16-V ceramic capacitor to VM. VM 4 PWR Power supply. Connect to motor supply voltage and bypass to GND with two 0.01-µF ceramic capacitors (one for each pin) plus a bulk capacitor rated for VM. 11 nFAULT 15 OD Fault indication. Pulled logic low with fault condition; open-drain output requires an external pullup resistor. nSLEEP 17 I Sleep mode input. Logic high to enable device; logic low to enter low-power sleep mode; internal pulldown resistor. |
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