LB1668

LB1668M 2‐phase Unipolar Brushless Motor Driver Monolithic Digital IC Overview The LB1668M is 2-phase unipolar drive brushless motor driver that features a wide usable voltage range and a minimal number of required external components. It also supports the formation of motor lock protection and automatic recovery circuits. Features Output protection Zener Diodes with Variable Breakdown Voltages ♦ When the Z1 and Z2 Pins are Open: VOLM = 57 V ♦ When the Z1 and Z2 Pins are Shorted: VOLM = 32 V ♦ An External Zener Diode can be Connected between Z1 and VCC Can Support Both 12 V and 24 V Power Supplies by Changing an External Resistor Hall Elements can be Connected Directly 1.5 A Output Current Output Transistors Built in Built-in Rotation Detection Function that Outputs Low when Driven and High when Stopped Motor Lock Protection and Automatic Recovery Functions Built in Thermal Shutdown Function www.onsemi.com MFP14S CASE 751CB MARKING DIAGRAM XXXXXXXXXX YMDDD XXXXX Y M DDD = Specific Device Code = Year = Month = Additional Traceability Data PIN ASSIGNMENT 1 IN− IN+ 14 VIN RD C Z2 NC Z1 OUT1 OUT2 NC NC GND 7 (Top View) NC 8 ORDERING INFORMATION See detailed ordering and shipping information on page 7 of this data sheet. © Semiconductor Components Industries, LLC, 2013 March, 2018 − Rev. 1 1 Publication Order Number: LB1668M/D LB1668M SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS (TA = 25°C) Symbol Parameter Conditions Ratings Unit ICC max Maxi...