NJM2640

NJM2640 www.DataSheet4U.com Two-phase Unipolar DC Brushless Motor Pre-Driver IC ♦ PACKAGE OUTLINE ♦ GENERAL DESCRIPTION NJM2640 is a two phase unipolar DC brushes motor pre-driver IC. It features high voltage bipolar technology so that the driver works up to 48V. High voltage operation delivers more power and improves power supply efficiency.Therefore, it is suitable for high voltage fan motor applications. NJM2640E ♦ FEATURES Operating Supply Voltage VCC=4 to 55V Absolute Maximum Voltage 60V Internal Lock Protection /Auto Protection Release Circuit Lock Alarm Output Terminal Package Outline EMP8 ♦ BLOCK DIAGRAM ♦ PIN CONFIGURATIONS 1 2 3 4 1 : Vcc 2 : H1 3 : LA 4 : H2 5 : GND 6 : Ct 7 : OUT1 8 : OUT2 8 7 6 5 Ver 3.2 - 1 - NJM2640 www.DataSheet4U.com ♦ ABSOLUTE MAXIMUM RATINGS(Ta=25°C) PARAMETER SYMBOL Vcc VIH IOUT VOLA VIHD IOLA PD Topr Toj Tstg RATINGS 60 -0.3∼Vcc 30 60 2 20 375 -40∼85 -40∼150 -55∼150 UNIT V V mA V V mA mW °C °C °C Supply Voltage Hall Input Voltage Range Output Current Lock Alarm Output Voltage Hall Input Differential Voltage Lock Alarm Output Current Power Dissipation Operating Temperature Range Operating Junction Temperature Range Storage Temperature Range ♦ ELECTRICAL CHARACTERISTICS(Vcc=48V, Ta=25°C) PARAMETER SYMBOL TEST CONDITIONS Operating Supply Voltage Vcc Range NIN.. 4.0 8 1.5 4.0 2.2 0.6 - TYP. 48.0 3.0 3.8 20 0.5 Vcc-1.5 3.8 0.75 5.5 2.5 0.7 0.25 1.25 MAX. 55.0 4.0 4.8 32 1.0 Vcc-2 5 0.5 10 8.0 2.8 0.8 - UNIT V mA mA ...