Innovative Electronics EMS 30 A H-Bridge Manuel utilisateur
EMS (Embedded Module Series)
30 A H-Bridge rev. 1
Embedded Module Series (EMS) 30 A H-
Bridge is a VNH3SP30 based H-Bridge driver
designed to generate 2 ways drive with continuous current
up to 30 A at 5 5 Volts to 36 Volts voltage (up to 16 V
for IC VNH2SP30) This module is equipped with a current
sensor that can be used as a feedback to the controller
This module can drive inductive loads such as relay,
solenoid, DC motor, motor stepper, and other kinds of
load
Specifications
1 Consists of 1 full H-Bridge driver A current sense
circuitry for IC VNH2SP30 is available
2 Can pass 30 A continuous current
3 Load voltage ranges from 5 5 V to 36 V (up to 16 V
for IC VNH2SP30)
4 Compatible with TTL and CMOS level input
5 Power supply input for the driver (VCC) is separated
from power supply input for the loads (V Mot)
6 Tri-state output
7 PWM frequency up to 20 KHz
8 Fault Detection
9 Short circuit protection
10 Overtemperature protection
11 Undervotage and Overvoltage Shutdown
12 Reverse Battery Protection
Layout
Pin Interface Header J1 Allocation
Pin Name I/O Function
1 MIN1 I Input pin to determine the
MOU 1 output
2 MIN2 I Input pin to determine the
MOU 2 output
3 MEN1 I/O
Enable pin for MOU 1 output
Give High logic to activate
half H-Bridge 1, give Low
logic externally to deactivate
half H-Bridge 1
If there is a faulty condition
(thermal shutdown,
undervoltage, overvoltage,
etc ), then this pin will be
pulled low internally by H-
Bridge module to report the
faulty condition
4 MEN2 I/O
Enable pin for MOU 2 output
Give High logic to activate
half H-Bridge 2, give Low
logic externally to deactivate
half H-Bridge 2
If there is a faulty condition
(thermal shutdown,
undervoltage, overvoltage,
etc ), then this pin will be
pulled low internally by H-
Bridge module to report the
faulty condition
5 MCS O
Analog output voltage
proportional to load current
(output range 0-5 V)
Available for IC VNH2SP30
6 MPWM I Input pin to control H-Bridge
by PWM
7,
9VCC - Connected to power supply for
input (5 Volt)
8,
10 PGND - Reference point for power
supply input
The current (In Ampere) passing through H-Bridge can be
calculated with the following equation:
11370
1500
____
×=
pinMCSonvoltagesOutput
I
Power & Motor Con J2 Connector Allocation
Name Function
PGND Ground reference for power supply input
VCC Connected to power supply input (5 Volt)
MGND Ground reference for power supply for
the load
V MOTOR
(V MOT) Connected to power supply for the load
MOUT2 Output of second half H-Bridge
MOUT1 Output of first half H-Bridge
Innovative Electronics © 2009
Truth table from the H-Bridge module is as follows:
H-Bridge
module
work status
Input and Status Output
MPWM
MIN1
MIN2
MEN1
MEN2
MOU 1
MOU 2
Forward H H L H H V MOT MGND
Reverse H L H H H MGND V MOT
Brake to
GND H L L H H MGND MGND
Brake to
VCC X H H H H V MOT V MOT
Free Running
Stop L L L H H OPEN OPEN
Free Running
Stop L H L H H V MOT OPEN
Free Running
Stop L L H H H OPEN V MOT
Fault on
OUT1 and
OUT2
X X X L L OPEN OPEN
Fault on
OUT1 H X H L H OPEN V MOT
Fault on
OUT1 H X L L H OPEN MGND
Fault on
OUT2 H H X H L V MOT OPEN
Fault on
OUT2 H L X H L MGND OPEN
Description:
H = High L = Low
X = don’t care Z = High Impedance (Tri-state)
CD/DVD Content
1 EMS 30 A H-Bridge Manual & Quick Start
2 Datasheet
3 Innovative Electronics Website
esting Procedure
-Connect the power supply source for input (VCC) and
the power supply for load (V Mot)
-Perform testing by giving a High logic (+5V) or Low
(0V) to the input (MIN1, MIN2, MEN1, MEN2, and
MPWM) that matches the truth table
-Output terminals (MOU 1 and MOU 2) will produce
output voltage that matches the functions stated in the
truth table
♦Thank you for your confidence in using our roducts, if
there are difficulties, questions, or suggestions
regarding this roduct lease contact our technical
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