Description:The HIP4086 and HIP4086A (referred to as the HIP4086/A) are 3-phase N-channel MOSFET drivers. Both parts are specifically targeted for PWM motor control. These drivers have flexible input protocol for driving every possible switch combination. The user can even override the shoot-through protection for switched reluctance applications. The HIP4086/A have a wide range of programmable dead times (0. 5μs to 4. 5μs) which makes them very suitable for the low frequencies (up to 100kHz) typically used for motor d
A 4-layer PCB with a solid ground plane, separate power and ground planes for the high-current paths, and a thermal relief pattern for the exposed pad is recommended. Additionally, keep the high-current paths short and wide, and use a common mode choke to reduce EMI.
To optimize the HIP4086APZ for high-frequency operation, use a low-ESR output capacitor, minimize the PCB trace inductance, and use a high-frequency capable inductor. Additionally, consider using a shielded inductor and a common mode choke to reduce EMI.
The maximum allowed voltage on the VIN pin is 25V. To protect against voltage spikes, use a TVS diode or a voltage clamp circuit to limit the voltage to 25V. Additionally, consider using a fuse or a PTC resettable fuse to protect against overcurrent conditions.
To ensure stability, use a compensation network as described in the datasheet, and ensure that the output capacitor has a low ESR. Additionally, use a high-quality inductor with a low DCR, and minimize the PCB trace inductance. Avoid using a capacitor with a high ESL, as it can cause oscillation.
The maximum allowed temperature range for the HIP4086APZ is -40°C to 125°C. To ensure reliable operation, use a thermal relief pattern for the exposed pad, and ensure good airflow around the device. Avoid operating the device near its maximum temperature rating, and consider using a heat sink or a thermal interface material to reduce the junction temperature.
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HIP4086APZ Overview
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