mpc17511 Freescale Semiconductor, Inc, mpc17511 Datasheet - Page 11

• Manufacturer Part Number: mpc17511
• Description: 1.0 A 6.8 V H-bridge Motor Driver Ic
• Manufacturer: Freescale Semiconductor, Inc

applying the gate voltage to the CRES pin from an external
CEMF SNUBBING TECHNIQUES
damaging CEMF spikes induced when commutating currents
in inductive loads. Typical practice is to provide snubbing of
voltage transients via placing a capacitor or zener at the
supply pin (VM) (see
Analog Integrated Circuit Device Data
Freescale Semiconductor
Figure 7
Care must be taken to protect the IC from potentially
shows a typical application for the 17511A. When
Figure
V
NC = No Connect
C
RES
8).
< 14 V
R
G
>
V
C
R
Figure 7. 17511A Typical Application Diagram
RES
G
MCU
/0.02 Ω
TYPICAL APPLICATIONS
0.01 µF
NC
NC
NC
NC
C1L
C1H
C2L
C2H
CRES
EN
GIN
IN1
IN2
17511A
source, be sure to connect it via a resistor equal to, or greater
than, R
5.0 V
GND
5.0 V
V
C1L
C1H
C2L
C2H
CRES
DD
V
DD
17511A
G
GOUT
GND
OUT1
OUT2
= V
Figure 8. CEMF Snubbing Techniques
VM
OUT1
OUT2
5.0 V
VM
C
RES
/ 0.02Ω.
Motor
FUNCTIONAL PIN DESCRIPTION
Solenoid
TYPICAL APPLICATIONS
5.0 V
V
C1L
C1H
C2L
C2H
CRES
DD
17511A
GND
OUT1
OUT2
5.0 V
VM
17511A
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