Description
PIN NUMBER
16 1 13
18 23 15
5 2 12
SYMBOL
AHB BHB CHB (xHB)
AHS BHS CHS (xHS)
AHI BHI CHI (xHI)
4 ALI 3 BLI 11 CLI
(xLI)
6 VSS
7 RDEL
8 UVLO
9 RFSH
FN4220 Rev 11.01 Feb 11, 2020
DESCRIPTION
High-Side Bias Connections.One external bootstrap diode and one capacitor are required for each.Connect cathode of bootstrap diode and positive side of bootstrap capacitor to each xHB pin.High-Side Source Connections.Connect the sources of the high-side power MOSFETs to these pins.The negative side
Features
- Independently drives 6 N-channel MOSFETs in 3-phase bridge configuration.
- Bootstrap supply maximum voltage up to 95VDC with bias supply from 7V to 15V.
- 1.25A peak turn-off current.
- User programmable dead time (0.5µs to 4.5µs).
- Bootstrap and optional charge pump maintain the high-side
driver bias voltage.
- Programmable bootstrap refresh time.
- Drives 1000pF load with typical rise time of 20ns and fall
time of 10ns.
- Programmab.