Microchip recommends following a 4-layer PCB stack-up with a solid ground plane, and using a shielded inductor and a common-mode choke to reduce EMI. Additionally, keep the high-voltage traces short and away from sensitive analog signals.
To ensure reliable startup and shutdown, Microchip recommends using a soft-start circuit to limit the inrush current, and a voltage supervisor to monitor the output voltage and prevent startup until it reaches the desired level.
The maximum allowed voltage on the VCC pin is 6.5V. To protect it from overvoltage, Microchip recommends using a voltage clamp or a transient voltage suppressor (TVS) diode to limit the voltage to a safe level.
To optimize the HV2802GA-G for low-power operation, Microchip recommends using a low-dropout linear regulator for the VCC supply, and enabling the shutdown mode when the device is not in use. Additionally, consider using a low-power oscillator and optimizing the circuit design to minimize standby power consumption.
The HV2802GA-G has a maximum junction temperature of 150°C. To ensure reliable operation at high temperatures, Microchip recommends using a thermal pad or a heat sink to dissipate heat, and following proper PCB design and layout guidelines to minimize thermal resistance.
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About Microchip
Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th
