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P9235A-RNDGI Datasheet(PDF) 8 Page - Integrated Device Technology |
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P9235A-RNDGI Datasheet(HTML) 8 Page - Integrated Device Technology |
8 / 23 page P9235A-R Datasheet © 2016 Integrated Device Technology, Inc 8 May 17, 2016 Table 7. Pin Descriptions (continued) Pin(s) Name Type Description 20 LED_RED O Open drain output. Connect a red LED to this pin. This pin can sink a maximum current of 25 mA (typical) 21 LED_GRN O Open drain output. Connect a green LED to this pin. This pin can sink a maximum current of 25 mA (typical) 22 GPIO_B2 I/O General purpose input/output. The GPIO’s power is supplied from the VDDIO pin. This pin is configured as an output. If it is not used then it may be left floating. 23 GPIO_B3 I/O General purpose input/output. The GPIO’s power is supplied from the VDDIO pin. This pin is configured as an output. If it is not used then it may be left floating. 24 GH_BRG2 O Gate driver output for the high-side half bridge 2. 25 BST_BRG2 I Bootstrap pin for the half bridge 2. Tie an external capacitor from this pin to the SW_BRG2 to generate a drive voltage, which is higher than the input voltage. 26 SW_BRG2 O Switch node for half bridge 2. 27 GL_BRG2 O Gate driver output for the low-side half bridge 2. 28 GND_BRG - Ground return connection for half bridge 1 and half bridge 2 external FETs and associated components. 29 GL_BRG1 O Gate driver output for the low-side half bridge 1. 30 SW_BRG1 O Switch node for half bridge 1. 31 BST_BRG1 I Bootstrap pin for half bridge 1. Tie an external capacitor from this pin to the SW_BRG1 to generate a drive voltage higher than the input voltage. 32 GH_BRG1 O Gate driver output for the high-side half bridge 1. 33 VIN_DRV I Input power supply for the internal gate drivers. Connect a 10 µF capacitor from this pin to ground. 34 VBRG_IN I Bridge voltage input voltage sense. 35 VSNS_GND - Ground connection for voltage sense signals. 36 VSNS_IN I Voltage modulation signal input. 37 ISNS_IN I Current modulation signal input. ISNS_OUT is fed into this pin after external conditioning 38 ISNS_OUT O Differential (ISNS_H - ISNS_L) current sense buffered output. 39 ISNS_L I Input current sense negative input 40 ISNS_H I Input current sense positive input EPGND - Expose pad. Thermal pad for heat sinking purposes. Connect EPGND to GND plane. |
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