ZXBM2001 Zetex Semiconductors, ZXBM2001 Datasheet
ZXBM2001
Available stocks
Related parts for ZXBM2001
ZXBM2001 Summary of contents
Page 1
... PWM Speed control can be implemented via external voltage or resistance (thermistor) input · Speed (FG) pulse output – ZXBM2003 · Rotor lock output – ZXBM2002 · Combined Rotor Lock (RD) and Speed (FG) signal – ZXBM2001 · 18V input voltage (60V with external regulator) · MSOP10 package APPLICATIONS · ...
Page 2
... ZXBM2001 ZXBM2002 ZXBM2003 Absolute maximum ratings Parameter Supply Voltage Input Current Power Dissipation Operating Temp. Storage Temp. Electrical Characteristics (at Tamb = 25°C & Vcc = 12V) Parameter Supply Voltage Supply Current Hall Amp Input Voltage Hall Amp Common Mode Voltage Hall Amp Input Offset ...
Page 3
... Block Diagram (ZXBM2001): Pin Assignments ISSUE 1 - APRIL 2002 ZXBM2001 ZXBM2002 ZXBM2003 3 ...
Page 4
... LOCK/FG Frequency Generator (speed) output On the ZXBM2001 the Lock/FG pin is designed dual function pin to provide an indication of the Fans rotational speed together with an indication of when the Fan has failed rotating for whatever reason (Rotor Locked condition) ...
Page 5
... PWM PWM T pwm I I PWMC PWMD ISSUE 1 - APRIL 2002 ZXBM2001 ZXBM2002 ZXBM2003 9. PH2 - External transistor driver 10. PH1 - External transistor driver These are the Phase drive outputs and are open darlington emitter followers designed to provide up to 80mA of drive to external transistors as shown in the ...
Page 6
... In this latter circuit R5 & R6 bias the H- pin at a voltage equivalent to half the swing of the Hall device. R7 will be needed if the buffered Hall device does not have its own internal pull-up. TYPICAL APPLICATION (ZXBM2001) using MOSFET power transistors Figure 2 Graph 1 below, illustrates the PWM drive waveform taken from and application using the MOSFET circuit in Figure 2 ...
Page 7
... Contact your nearest Zetex office for further details and technical enquiries. 2 Dual device 3 Provisional information 4 Advanced information ISSUE 1 - APRIL 2002 ZXBM2001 ZXBM2002 ZXBM2003 TYPICAL APPLICATION (ZXBM2001) illustrating addition of Clamp diodes. Figure (A) min CE(sat) max @ I C & 4.5 300 @ 0.5A 200@1A,10mA ...
Page 8
... ZXBM2001 ZXBM2002 ZXBM2003 PACKAGE DIMENSIONS © Zetex plc 2002 Zetex plc Zetex GmbH Fields New Road Streitfeldstraße 19 Chadderton D-81673 München Oldham, OL9 8NP United Kingdom Germany Telephone (44) 161 622 4422 Telefon: (49 Fax: (44) 161 622 4420 Fax: (49 These offices are supported by agents and distributors in major countries world-wide ...