MIC4607 Datasheet, PDF(16/42 Page) Microchip Technology – 85V, Three-Phase MOSFET Driver with Adaptive Dead-Time, Anti-Shoot-Through and Overcurrent Protection

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MIC4607 Datasheet, PDF (16/42 Pages) Microchip Technology – 85V, Three-Phase MOSFET Driver with Adaptive Dead-Time, Anti-Shoot-Through and Overcurrent Protection

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MIC4607

4.0 TIMING DIAGRAMS

4.1 Non-Overlapping LI/HI Input Mode

(MIC4607-1)

In non-overlapping LI/HI input mode, enough delay is

added between the xLI and xHI inputs to allow xHS to

be low before xLI is pulled high and similarly xLO is low

before xHI goes high.

xHO goes high with a high signal on xHI after a typical

delay of 35 ns (tHPLH). xHI going low drives xHO low

also with typical delay of 35 ns (tHPHL).

Likewise, xLI going high forces xLO high after typical

delay of 35 ns (tLPLH) and xLO follows low transition of

xLI after typical delay of 35 ns (tLPHL).

xHO and xLO output rise and fall times (tR/tF) are typi-

cally 20 ns driving 1000 pF capacitive loads.

xHS

xHO

tHPLH

xLO

xHI

tHPHL

tLPLH

tLPHL

xLI

FIGURE 4-1:

Separate Non-Overlapping LI/HI Input Mode (MIC4607-1).

Note 1: All propagation delays are measured from the 50% voltage level and rise/fall times are measured 10% to

90%.

2: âxâ in front of a pin name refers to either A, B or C phase. (e.g. xHI can be either AHI, BHI or CHI).

DS20005610A-page 16

ï£ 2016 Microchip Technology Inc.

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