mts2916a Microchip Technology Inc., mts2916a Datasheet - Page 11
mts2916a
Manufacturer Part Number
mts2916a
Description
Dual Full-bridge Motor Driver
Manufacturer
Microchip Technology Inc.
Datasheet
1.MTS2916A.pdf
(18 pages)
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4.0
4.1
The MTS2916A circuit with external components for a
typical application is shown in
passive component values are: Rs = 1, Rc = 1k, Cc
= 820pF, Rt = 56k and Ct = 820pF.
FIGURE 4-1:
During PWM operation, when the output stage is
turned-on, large voltage peaks might appear across
Rs, which can wrongly trigger the input comparator. To
avoid an unstable current control, an external RcCc fil-
ter should be used that delays the comparator action.
Depending on load type, many applications will not
require this filter (SENSE connected to COMPIN).
2010 Microchip Technology Inc.
APPLICATION CIRCUITS &
ISSUES
Typical Application
5V
PHASE2
PHASE1
VREF1
I02
I12
VREF2
COMPIN1
I01
I11
Typical Application Circuit
Comparator
Comparator
Current
Current
Sense
Sense
Figure
COMPIN2
Cc
Cc
100nF
4-1. Typical
Rt
RC2
One-shot
One-shot
Under-V
Lockout
Rc
Rc
Logic
Logic
VLOGIC
Ct
RC1
Ct
GND
Shift Drivers
Shift Drivers
Shutdown
Rt
Thermal
SENSE1
Rt
VLOAD
Power
Bridge
Power
Bridge
100 nF
SENSE2
Rt
MTS2916A
100uF
OUT1A
OUT1B
OUT2A
OUT2B
10 to 30V
DS22259A-page 11
M