Zxbm2004, Two phase variable speed motor control pre-driver, New prod uc t – Diodes ZXBM2004 User Manual
Page 3: Functional block diagram

ZXBM2004
TWO PHASE VARIABLE SPEED
MOTOR CONTROL PRE-DRIVER
ZXBM2004
Document number: DS33433 Rev. 5 - 2
3 of 19
February 2012
© Diodes Incorporated
NEW PROD
UC
T
Functional Block Diagram
(Note 1)
Speed &
Lock
Detect
Hall
FG
C
LCK
SPD
H+
H-
Hall
Amp
Locked
Rotor
Detect
Phase
Drive &
Control
GND
V
CC
Set Min
Speed
Vref
SMIN
ThRef
Ph2 Lo
Ph1 Lo
Vcc
Speed Control Voltage
V
SPD
Vcc
C
PWM
D2
RD
V+OP
PWM Osc
Supply Voltage
L1
L2
Set Phase Drive
Current Limit
Vcc
Hall Bias
D1
Notes: 1. The ZXBM2004 has an open-collector FG and RD. Typically a pull-up resistor of 10k
Ω is recommended from FG or RD pin to the supply voltage.
See also other documents in the category Diodes Hardware:
- PDS3200 (5 pages)
- PDS340 (5 pages)
- PDS340Q (5 pages)
- PDS360 (5 pages)
- PDS360Q (5 pages)
- PDS4150 (4 pages)
- PDS3100Q (5 pages)
- PDS3100 (5 pages)
- PDS1240CTL (5 pages)
- PDS1045 (5 pages)
- PDS1040L (5 pages)
- PDS1040CTL (5 pages)
- PDS1040 (5 pages)
- PD3S230L (5 pages)
- PD3S230H (3 pages)
- PDS5100Q (5 pages)
- PDS835L (5 pages)
- PDS760 (5 pages)
- PDS560 (5 pages)
- PDS540 (5 pages)
- PDS5100H (5 pages)
- PDS5100 (5 pages)
- PDS4200H (6 pages)
- SBL3060CTP (4 pages)
- SBL30L30CT (3 pages)
- SBL3045CTP (4 pages)
- SBL3040CTP (4 pages)
- SBL2060CTP (4 pages)
- SBL2030CT - SBL2060CT (3 pages)
- SBL2045CTP (4 pages)
- SBL1060CTP (4 pages)
- SBL1040CTP (4 pages)
- SBG3030CT - SBG3045CT (5 pages)
- SB520 - SB560 (3 pages)
- SB370 - SB3100 (3 pages)
- SB320 - SB360 (3 pages)
- SBR10U100CT (5 pages)
- SBR10U150CT (5 pages)
- SBR10A45SP5 (5 pages)
- SBR1060CT (5 pages)
- SBR1045SP5 (5 pages)
- SBR1045SD1 (4 pages)
- SBR1045D1 (5 pages)
- SBR1045CTL (4 pages)
- SBR1040CT (5 pages)