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RT9758 датащи(PDF) 3 Page - Richtek Technology Corporation |
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RT9758 датащи(HTML) 3 Page - Richtek Technology Corporation |
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3 / 61 page ![]() RT9758 Copyright © 2023 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9758-03 May 2023 www.richtek.com 3 Pin No. Pin Name I/O Pin Function D3 BST1 P Charge pump for gate drive. Connect a 22nF capacitor between BST1 and CFH1. D5 EN DI Device enable control pin. Pull high to disable device. I2C is still available when EN pin is pull high. D6 INT DO Open drain interrupt output. Connect to pull-up voltage via 10k pull-up resistor. Normally high, when event happen, INT pin sends a 256 s low pulse to system. E1 WRX_OK P Push-pull structure. When WRX_IN over then WRX_INSERT level, this pin will pull high to inform system. E3, F3 CFH1 P Flying capacitor positive node. Two 22 F capacitors must be connected to CFL1 and CFH1 and placed as close as possible to the device. These pins must be connected together on the PCB. E5, F5 CFL1 P Flying capacitor negative node. Two 22 F capacitors must be connected to CFL1 and CFH1 and placed as close as possible to the device. These pins must be connected together on the PCB. F1 SYNC AIO Push-pull structure. Master device's sync pin connect to slave device's sync pin. Let pin floating in standalone mode. |
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