ZXBM2004 Ver la hoja de datos (PDF) - Diodes Incorporated.
Número de pieza
componentes Descripción
Fabricante
ZXBM2004 Datasheet PDF : 19 Pages
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ZXBM2004
TWO PHASE VARIABLE SPEED
MOTOR CONTROL PRE-DRIVER
Functional Block Diagram (Note 1)
Supply Voltage
ThRef
D1
VCC
Vref
CPWM
PWM Osc
D2
L1
V+OP
L2
Set Phase Drive
Current Limit
VSPD
Speed Control Voltage
SPD
SMIN
Set Min
Speed
Vcc
Phase
Drive &
Control
Vcc
Ph1 Lo
Ph2 Lo
Hall Bias
Hall
CLCK
Locked
Rotor
Detect
H+
Hall
H-
Amp
GND
Speed &
Lock
Detect
RD
Vcc
FG
Notes: 1. The ZXBM2004 has an open-collector FG and RD. Typically a pull-up resistor of 10kΩ is recommended from FG or RD pin to the supply voltage.
ZXBM2004
Document number: DS33433 Rev. 5 - 2
3 of 19
www.diodes.com
February 2012
© Diodes Incorporated
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