Fairchild FAN7888 3 Gate-Drive IC Data Handbook
Summary
This monolithic IC is a robust gate-drive solution providing powerful, high-speed control for three-phase half-bridge circuits up to 200V. Designed for demanding motor applications, it features essential protection like built-in shoot-through prevention and common-mode noise canceling. The manual details its operation as an advanced driver for motor inverters and BLDC controllers, offering dependable performance and logic compatibility for complex 3-phase systems.
Page 1 Text Content
FA 7888 — 3 H alf-B ridge G ate-D rive IC
May 2008
FAN7888 3 Half-Bridge Gate-Drive IC Features Description Floating Channel for Bootstrap Operation to +200V The FAN7888 is a monolithic three half-bridge gate-drive
Typically 350m A/650m A Sourcing/Sinking Current IC designed for high-voltage, high-speed driving MOS- Driving Capability for All Channels FETs and IGBTs operating up to +200V.
3 Half-Bridge Gate Driver Fairchild’s high-voltage process and common-mode
Extended Allowable Negative VS Swing to -9.8V for noise canceling technique provide stable operation of Signal Propagation at VBS=15V high-side drivers under high-dv/dt noise circumstances.
Matched Propagation Delay Time Maximum 50ns An advanced level-shift circuit allows high-side gate 3.3V and 5V Input Logic Compatible driver operation up to VS = -9.8V (typical) for VBS =15V. Built-in Shoot-Through Prevention Circuit for All
The UVLO circuits prevent malfunction when VDD and
Channels with Typically 270ns Dead Time
VBS are lower than the specified threshold voltage.
Built-in Common Mode dv/dt Noise Canceling Circuit
Output drivers typically source/sink 350m A/650m A,
Built-in UVLO Functions for All Channels
respectively, which is suitable for three-phase half-bridge applications in motor drive systems.
Applications 3-Phase Motor Inverter Driver
20-SOIC
Ordering Information Part Number Package Operating Temperature Range Packing Method FAN7888M Tube
20-SOIC -40°C to +125°C
FAN7888MX Tape & Reel
All packages are lead free per JEDEC: J-STD-020B standard.
© 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7888 • Rev. 1.0.0
Page Summary Contents For Fairchild FAN7888 3 Gate-Drive IC Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 14 |
| File Size | 1.69 MB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What is the primary application for the FAN7888?
It is suitable for three-phase half-bridge applications, such as in motor drive systems and 3-Phase BLDC Motor Controllers.
Does this IC handle high voltage or noise?
Yes, it supports voltages up to +200V and features built-in common-mode dv/dt noise canceling for stable operation.
What kind of logic input does the device accept?
It is compatible with both 3.3V and 5V input logic signals when operating at V=15V.
Are there safeguards against electrical malfunction?
Yes, it includes built-in UVLO circuits and a shoot-through prevention circuit for all channels to prevent malfunctions.