mpc17517dtb Freescale Semiconductor, Inc, mpc17517dtb Datasheet - Page 10

• Manufacturer Part Number: mpc17517dtb
• Description: 1.0 A 6.8 V Dual Motor Driver Ic
• Manufacturer: Freescale Semiconductor, Inc

be sure to connect it via a resistor equal to, or greater than, R
CEMF SNUBBING TECHNIQUES
damaging CEMF spikes induced when commutating currents
in inductive loads. Typical practice is to provide snubbing of
voltage transients by placing a capacitor or zener at the
supply pin (VM) (see
10
17517
TYPICAL APPLICATIONS
INTRODUCTION
Figure 7
Care must be taken to protect the IC from potentially
5.0 V
C1L
C1H
C2L
C2H
CRES
VDD
17517
GND
Figure 8. CEMF Snubbing Techniques
shows a typical application for the 17517. When applying the gate voltage to the C
5.0 V
OUT
OUT
VM
Figure
V
C
8).
RES
NC = No Connect
< 14 V
R
G
>
5.0 V
V
C1L
C1H
C2L
C2H
CRES
V
MCU
DD
C
Figure 7. 17517 Typical Application Diagram
R
17517
RES
GND
G
/0.02 Ω
TYPICAL APPLICATIONS
5.0 V
OUT
OUT
VM
0.01 µF
INTRODUCTION
NC
NC
NC
NC
G
= V
C1L
C1H
C2L
C2H
CRES
EN1
EN2
IN1
IN1
17517
PCB LAYOUT
sufficient capacitance between power supply and ground
pins to ensure proper filtering from transients. For all high-
current paths, use wide copper traces and shortest possible
distances.
C
RES
When designing the printed circuit board (pcb), connect
GND
5.0 V
VDD
/ 0.02 Ω.
OUTA
OUTB
OUTC
VM
Analog Integrated Circuit Device Data
RES
pin from an external source,
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