NJM2646

NJM2646 www.DataSheet4U.com Two-phase Unipolar DC Brushless Motor Pre-Driver IC s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJM2646 is a 2-phase DC brushless motor pre-driver IC. It incorporates Lock Detect / Auto Protection Circuit and totem-pole pre-driver for external power MOS-FET. The turn ON / turn OFF ratio at Auto Protection Release was set in 1:10 easy-to-use. Moreover, the pin is compatible with 48V pre-driver NJM2646M NJM2640. NJM2646E NJM2646RB1 s FEATURES Operating Voltage VDD=4 ∼ 15V Absolute Maximum Voltage 30V Internal Lock Detect / Auto Protection Release Circuit Internal Hall Amp with Hysterisis Lock Alarm Output Terminal Package Outline DMP8(M) / EMP8(E) / TVSP8(RB1) s BLOCK DIAGLAM to VCC s PIN FUNCTION 1 Vcc 1 2 to VCC 8 7 6 5 1: Vcc 2: H1 3: LA 4: H2 5: GND 6: Ct 7: OUT1 8: OUT2 Referrence Bias 2 H 4 H1 H2 + - OUT1 8 LOGIC to VCC 3 4 6 Ct Lock Detect Auto Restart OUT2 7 C GND 5 Lock Alarm LA 3 -1- NJM2646 www.DataSheet4U.com s ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Hall Input Voltage Range Output Current (Peak) Lock Alarm Output Voltage Hall Input Differential Voltage Lock Alarm Output Current Operating Temperature Range Operating Junction Temperature Range Storage Temperature Range Power Dissipation SYMBOL Vcc VIH IO UT VOLA VIHD IOLA Topr Toj Tstg PD RATINGS 30 -0.3 ∼ VCC 70 30 2 20 -40 ∼ 85 -40 ∼ 150 -50 ∼ 150 300(DMP8) / 300(EMP8) / 400(TVSP8) (Ta=25°C) UNIT NOTE V V mA V V V °C °C °C mW Device itself s ...