NJM2644 Datasheet - JRC

NJM2644 Two-phase Unipolar DC Brushless Motor Pre-Driver IC

s PACKAGE OUTLINE The NJM2644 is a 2-phase DC brushless motor pre-driver IC. It incorporates Lock Detect and Auto Protection circuit for safety operation. Especially, 1:10 ON/OFF duty ratio while motor is locked reduces heat generation in motor windings. Moreover, the pin is compatible with 12V LA o.

NJM2644 Features

* Operating Voltage VDD=4 to 14V

* Absolute Maximum Voltage 15V

* Internal Lock Detect / Auto Protection Release Circuit

* FG Output Terminal

* Package Outline DMP8 / TVSP8 s BLOCK DIAGLAM s PIN FUNCTION 1 2 3 4 1: Vcc 2: H1 3: FG 4: H2 5: GND 6: Ct 7: OUT1 8

NJM2644 Datasheet (90.30 KB)