H-Bridges and Class-D

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H-Bridges & Class-D

by Bob Paddock

Motor Control ICs Vishay Siliconix has a few H-Bridge parts:

Part Number	Function	Supply Voltage	Output Drive Capacity	Input Drive Requirements	Features	Package	Protection
Si9976	Half-Bridge Driver	20–40	Drives 2 N-Ch. MOSFETs	TTL/CMOS	High-Side Bootstrap DC Operation	SO-14	Short Circuit, Under Voltage
Si9978	H-Bridge Driver/Dual 1/2 H-Bridge Driver	20–40	Drives 4 N-Ch. MOSFETs	TTL/CMOS	PWM, Brake, DC Operation	SO-24 Widebody	Over Current, Under Voltage
Si9986	Buffered H-Bridge	3.8–13.2	0.5 A	TTL/CMOS	PWM, Saturated	SO-8	Shoot Through
Si9987	Buffered H-Bridge	3.8–13.2	1 A	TTL/CMOS	PWM, Saturated	SO-8	Shoot Through

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