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DRV8874PWPRG4 数据表(PDF) 3 Page - Texas Instruments |
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DRV8874PWPRG4 数据表(HTML) 3 Page - Texas Instruments |
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3 / 42 page  EN/IN1 1 PMODE 16 Thermal Pad PH/IN2 2 nSLEEP 3 nFAULT 4 VREF 5 IPROPI 6 OUT1 8 GND 15 CPL 14 CPH 13 VCP 12 VM 11 OUT2 10 PGND 9 IMODE 7 3 DRV8874 www.ti.com SLVSF66A – AUGUST 2019 – REVISED DECEMBER 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 5 Pin Configuration and Functions DRV8874 PWP Package 16-Pin HTSSOP With Exposed Thermal Pad Top View Pin Functions PIN TYPE DESCRIPTION NAME PWP CPH 13 PWR Charge pump switching node. Connect a X5R or X7R, 22-nF, VM-rated ceramic capacitor between the CPH and CPL pins. CPL 14 PWR EN/IN1 1 I H-bridge control input. See Control Modes. Internal pulldown resistor. GND 15 PWR Device ground. Connect to system ground. IMODE 7 I Current regulation and overcurrent protection mode. See Current Regulation. Quad-level input. IPROPI 6 O Analog current output proportional to load current. See Current Sensing. nFAULT 4 OD Fault indicator output. Pulled low during a fault condition. Connect an external pullup resistor for open-drain operation. See Protection Circuits. nSLEEP 3 I Sleep mode input. Logic high to enable device. Logic low to enter low-power sleep mode. See Device Functional Modes. Internal pulldown resistor. OUT1 8 O H-bridge output. Connect to the motor or other load. OUT2 10 O H-bridge output. Connect to the motor or other load. PGND 9 PWR Device power ground. Connect to system ground. PH/IN2 2 I H-bridge control input. See Control Modes. Internal pulldown resistor. PMODE 16 I H-bridge control input mode. See Control Modes. Tri-level input. VCP 12 PWR Charge pump output. Connect a X5R or X7R, 100-nF, 16-V ceramic capacitor between the VCP and VM pins. VM 11 PWR 4.5-V to 37-V power supply input. Connect a 0.1-µF bypass capacitor to ground, as well as sufficient Bulk Capacitance rated for VM. VREF 5 I External reference voltage input to set internal current regulation limit. See Current Regulation. PAD — — Thermal pad. Connect to system ground. |
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