Geehy | GHD Motor Gate Drivers

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GHD3440 motor control dedicated gate driver, designed specifically for driving dual N-channel VDMOS power transistors or IGBTs in bridge circuits, with a floating offset voltage of+200V, compatible with 3.3V/5V input logic, suitable for battery powered DC brushless motors and other application solutions, such as electric tools, garden tools, vacuum cleaners, etc. Embedded with typical dead time of 250ns and VCC/VBS undervoltage protection function.

Performance

Features

Operating voltage
GHD3440: 5.5V~18V
GHD3440Rx: 5V~20V
Floating offset voltage: +200V
Minimum dead time
GHD3440: 250ns
GHD3440Rx: 500ns
VCC/VBS undervoltage protection
Shoot-through prevention function
Input/output pull-down resistor
Matched high and low-side channel transfer times
High dv/dt noise suppression capability
In-phase input and output
GHD3440Rx Embedded LDO, load capacity 60mA@15V
Overtemperature protection threshold 151°C/131°C
Compatible with 3.3V/5V logic input
GHD3440: Peak input current 1.0A @ 12V, 3.3nF load, fall time 60ns
GHD3440Rx: Peak input current 1.1A @ 15V, 3.3nF load, fall time 60ns
GHD3440: Peak output current 0.8A @ 12V, 3.3nF load, rise time 90ns
GHD3440Rx: Peak output current 0.9A @ 15V, 3.3nF load, rise time 90ns