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ISL68233IRAZ Datasheet(PDF) 16 Page - Renesas Technology Corp

Part # ISL68233IRAZ
Description  Digital Dual Output, 5-Phase Controller
PDF  103 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL68233IRAZ Datasheet(HTML) 16 Page - Renesas Technology Corp

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ISL68222, ISL68233
3. Initializing the Device
R16DS0036EU0100 Rev.1.00
Page 16 of 102
Oct.1.20
3.
Initializing the Device
3.1
Power-On Reset (POR)
Initialization begins after VCC crosses its rising POR threshold. When POR conditions are met, basic digital
subsystem integrity checks begin. During this process, the controller starts the telemetry subsystem, configures
its PMBus address according to the ADDRESS pin resistor value, loads the selected user configuration from NVM
as indicated by the CONFIG pin resistor value, checks fault status, and prepares for regulation. The PWM pins
are held in tri-state until the device is commanded to regulate. Figure 5 shows the device initialization sequence.
Figure 5. Simplified PMBus Initialization Timing Diagram



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