TMP821 Texas instruments

TMP821

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TMP821

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Описание

The TMP821 device is a two-phase half-wave motor predriver that is suited for fan motors, which has winding in push-pull configuration. It uses differential hall effect sensors for commutation signals for two of the switches in power circuit. The device has a very small pin count, making it very simple to use.

Built-In Lock Detection and Rotational Speed
Sensing Mechanisms
Compact 8-Pin Package Reduces Number of
External Components Required
Automatic Restart When Motor Lock Is Undone
Hall Amplifier Inputs Have Hysteresis

Rating	Catalog
Architecture	Gate driver
Control topology	Sensored, Trapezoidal
Vs (min) (V)	4
Vs ABS (max) (V)	30
Features	Rotor Lock Protection, Tach/FG Feedback
Operating temperature range (°C)	-40 to 100