MC34920EI Freescale Semiconductor, MC34920EI Datasheet - Page 7

• Manufacturer Part Number: MC34920EI
• Description: IC MOTOR DRIVER QUAD H 44-PLCC
• Manufacturer: Freescale Semiconductor
• Type: Quad Line Receiverr

Specifications of MC34920EI

• Applications: DC Motor Driver, Stepper Motor Driver, H Bridge
• Number Of Outputs: 2
• Current - Output: 1.5A
• Voltage - Supply: 21 V ~ 42 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Operating Supply Voltage: 10 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Table 3. Static Electrical Characteristics (continued)
otherwise noted. Typical values noted reflect the approximate parameter mean at T
otherwise noted.
Analog Integrated Circuit Device Data
Freescale Semiconductor
VBOOST GENERATOR
BIPOLAR CURRENT REGULATED STEP MOTOR DRIVE SYSTEM
DC MOTOR DRIVE SYSTEM
Notes
Voltage Overshoot
Load Ripple
Charge Pump Output Voltage
Peak Step Motor Current, Phase A or B
Maximum Allowable Voltage Drop Across Any H-Bridge Switch
Comparator High Threshold Voltage
Comparator Medium Threshold Voltage
Comparator Low Threshold Voltage
V
Step Motor Driver Thermal Shutdown Junction Temperature
Step Motor Driver Thermal Enable Junction Temperature
Single MOSFET
Maximum Allowable Voltage Drop Across Any H-Bridge Switch
Peak DC Motor Driver Current
DC Motor Overcurrent Threshold
DC Motor Driver Sustaining Current Value
Characteristics noted under conditions 21 V
O
7.
External V
0.5 A maximum
I
Motor Not Stalled
I
Output)
CURR_I0_PHASEX=0, CURR_I1_PHASEX=0
CURR_I0_PHASEX=1, CURR_I1_PHASEX=0
CURR_I0_PHASEX=0, CURR_I1_PHASEX=1
OFF Output Leakage Current for Step Motor Driver Outputs
V
Typical Value @ T
I
Output) (Using 2 H-Bridges in Parallel)
Motor Not Stalled (Using 2 H-Bridges in Parallel)
Motor Stalled (Paralleled H-Bridges Used for DC Motor Drive)
Current Allowed to Sustain for a Minimum of 100 ms (OCT delay),
Current Ripple 100 mA (Peak-to-Peak or Less)
LOAD
LOAD
LOAD
O
OFF = 5.0 V
Because the current clamp is applied to the top H-bridge transistors only, overcurrent protection applies to motor currents. But note that
no short circuit protection exists against shorts from the DC motor outputs (DR1A1, DR1A2, DR1B1, or DR1B2 to substrate ground or
to VB+.
= 0.75 A (from Output to GND) or I
= 1.0 mA
= 0.6 A (from Output to GND) or I
CC
Load Current from 0.01 to 0.500 A, t
J
= 25°C
Characteristic
(7)
LOAD
LOAD
= 0.6 A (from V
= 0.75 A (from V
≤
RISE
V
VB+
> 100 ns
≤
42 V, T
VB+
VB+
to
to
A
=
PEAK CURRENT
10°C to 55°C, T
I
T
DCMOTOR
I
I
V
J (SHUTDOWN)
STEPMOTOR
DC_SUSTAIN
T
I
V
V
OUTRIPPLE
DCMOTOR
J (ENABLE)
R
Symbol
VB -
V
V
I
OVRSHT
PEAK
O
DS(ON)
V
DROP
V
DROP
V
OFF
TH
TM
TL
V
VB+
OCT
J
A
max = 135°C, V
= 25°C under typical conditions unless
STATIC ELECTRICAL CHARACTERISTICS
Min
-1.0
450
300
105
155
135
1.6
1.6
10
–
–
–
–
–
–
–
ELECTRICAL CHARACTERISTICS
5.0%
1.43
Typ
100
550
0.1
2.0
2.0
–
–
–
–
–
–
–
–
–
CC
= 5.25 V max unless
Max
650
440
255
175
155
0.6
1.6
1.0
1.3
1.2
2.5
2.4
14
–
–
–
Unit
mV
mV
mV
mV
mA
o
o
V
A
V
Ω
V
A
A
A
–
C
C
34920
7