Renesas Electronics ISL78444 100V Half-Bridge MOSFET Driver

Renesas Electronics ISL78444 100V Half-Bridge MOSFET Driver is an Automotive Grade (AEC-Q100 Grade 1) high voltage, high frequency, half-bridge NMOS FET driver for driving the gates of up to 70V half-bridge topologies. The ISL78444 features a single tri-level PWM input for controlling both gate drivers, and a single combined sourcing/sinking output for each gate driver.

Strong gate drive strength and the Adaptive Dead Time (ADT) feature allow the ISL78444 to switch high voltage, low R_DS(ON) power FETs in half-bridge topologies at high operating frequencies while providing shoot-through protection and minimizing dead time switching losses.

The ISL78444 is offered in a 14-lead HTSSOP package that complies with 100V conductor spacing per IPC-2221B.

Features

Patented gate-sensed adaptive dead time control provides shoot-through protection and minimized dead time
Unique tri-level PWM input for integration with Renesas multiphase controllers
3A sourcing and 4A sinking output current
On-chip 3Ω bootstrap FET switch
Programmable dead time delay with a single resistor
Tri-level PWM input
Separate source/sink pins at driver outputs

Bootstrap and V_DD Undervoltage Lockout (UVLO)
8V to 18V wide supply range
100V bootstrap supply maximum voltage
-40°C to +140°C ambient temperature range
86V maximum phase voltage
-10V minimum phase voltage
HTSSOP-14 package

Applications

Automotive half-bridge and 3-phase motor driver
12V to 24V and 12V to 48V bi-directional DC-DC (with ISL78226, ISL78224 controllers)
Multi-phase boost (with ISL78220 and ISL78225 controllers)