Optimal Design Method for Inner-Intrinsically Safe Buck-Boost Converters Based on Ignition Capability

Table 6

Explosive test results ( = 22 V,  = 18 V, C = 22 μF,  = 36 Ω, and f = 200 kHz).

Design range	Critical value	Inductance (μH)	Results
Unsafe		20	Exploded
		35	Unexploded
Inner-intrinsically safe		38.29	Unexploded
		50	Unexploded
		137.78	Unexploded
		300	Unexploded
		508.98	Unexploded
Unsafe		520	Unexploded
		900	Exploded
		1095.11	Exploded
		1500	Exploded