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MIC4607A Datasheet(PDF) 28 Page - Microchip Technology

Part # MIC4607A
Description  85V, Three-Phase MOSFET Driver with Adaptive Dead-Time, Anti-Shoot-Through and Overcurrent Protection
PDF  41 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC4607A Datasheet(HTML) 28 Page - Microchip Technology

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MIC4607A
DS-20006957A-page 28
 2024 Microchip Technology Inc. and its subsidiaries
FIGURE 6-9:
Turn-On Current Paths.
Figure 6-10 shows the critical current paths when the
driver outputs go low and turn off the external MOS-
FETs. Short, low-impedance connections are important
during turn-off for the same reasons given in the
turn-on explanation. Current flowing through the inter-
nal diode replenishes charge in the bootstrap capacitor,
CB.
FIGURE 6-10:
Turn-Off Current Paths.
C
B
LEVEL
SHIFT
C
VDD
GND
PLANE
LOW-SIDE DRIVE TURN-ON
CURRENT PATH
HIGH-SIDE DRIVE TURN-ON
CURRENT PATH
GND
PLANE
xHB
VDD
xHO
xHS
VSS
xLO
xLI
xHI
C
B
LEVEL
SHIFT
C
VDD
LOW-SIDE DRIVE TURN-OFF
CURRENT PATH
HIGH-SIDE DRIVE TURN-ON
CURRENT PATH
xHB
xLO
xLI
xHI
xHO
xHS
VDD
VSS



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