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SLA7083MPR Datasheet Preview

SLA7083MPR Datasheet

Unipolar 2-Phase Stepping Motor Driver

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SLA7080MPR Series
Unipolar 2-Phase Stepping Motor Driver ICs
FEATURES AND BENEFITS
• Power supply voltage, VBB, 46 V maximum; 10 to 44 V
normal operating range
• Logic supply voltage, VDD, 3 to 5.5 V
• Four output currents, IO(max), options: 1, 1.5, 2, and 3 A
• Stepping control for phase input (full or half step)
• Built-in sense resistor detects motor current
• Compact ZIP 23-pin molded package (SLA package)
• Self-excitation PWM control with fixed off-time
• Built-in synchronous rectifying circuit reduces losses at
PWM-off
• Synchronous PWM function prevents noise generation in
motor Hold mode
• Sleep function reduces power consumption of drivers in
Standby mode
• Protection circuit detects motor coil open/short and
prevents overheating due to avalanche breakdown
Externally-adjustable (3.2 μs /5.2 μs) blanking time
(minimum on-time)
PACKAGE: 23-pin ZIP (type SLA)
DESCRIPTION
This document describes the function and features of the
SLA7080MPR series, which are unipolar 2-phase stepping
motor driver ICs. Four levels of output current are available from
the incorporated MOSFETs, corresponding to the rated output
current ratings. All current ratings are available with protection
against motor coil shorts or motor open wire detection.
The SLA7080MPR series has a multichip structure for enhanced
thermal dispersion. The Control IC (MIC), four power elements
(MOSFET), and dual sense resistors, are all separate ICs.
Built-in sense resistors for each phase allow accurate track-
ing of performance without additional external components.
Low-power sleep mode as well as reduced power during PWM
off-time maximize energy savings.
Not to scale
Functional Block Diagram
SENSEA
Rs
28610.23, Rev. 3
MIC
Pre-
Driver
Protect
Logic Block
Reg.
Pre-
Driver
Protect
+
Comp
-
OSC
PWM
Control
Synchro
Control
PWM
Control
+
Comp
-
OSC
SYNC GND
SANKEN ELECTRIC CO., LTD
http://www.sanken-ele.co.jp/en/
SENSEB
Rs




SANKEN

SLA7083MPR Datasheet Preview

SLA7083MPR Datasheet

Unipolar 2-Phase Stepping Motor Driver

No Preview Available !

SLA7080MPR Series
Unipolar 2-Phase Stepping Motor Driver ICs
SELECTION GUIDE
Part Number
Output Current (A)
SLA7081MPR
1.5
SLA7082MPR
2
SLA7083MPR
3
Built-In Sense Resistor
Yes
Packing
18 pieces per tube
ABSOLUTE MAXIMUM RATINGS: Valid at TA = 25°C
Characteristic
Symbol
Motor Supply Voltage
Main Supply Voltage
Logic Supply Voltage
VM
VBB
VDD
SLA7081MPR
Output Current
IO
SLA7082MPR
SLA7083MPR
Logic Input Voltage
REF Input Voltage
Sense Voltage
Allowable Power Dissipation
Maximum Junction Temperature
Nominal Operating Temperature
Storage Temperature
VIN
VREF
VRS
PD
TJ(max)
TA
Tstg
No heatsink
Notes
Rating
Unit
46
V
46
V
6
V
1.5
A
2.0
A
3.0
A
–0.3 to VDD + 0.3
V
–0.3 to VDD + 0.3
V
±2
V
4.7
W
150
°C
–20 to 85
°C
–30 to 150
°C
RECOMMENDED OPERATING RANGE
Characteristics
Symbol
Test Conditions
Min.
Max.
Unit
Motor Supply Voltage
Main Supply Voltage
Logic Supply Voltage
Case Temperature
VM
44
V
VBB
10
44
V
VDD
VDD surge voltage = ±0.5 V
3.0
5.5
V
Without heatsink
TC
With heatsink
On pin 12, adjacent to
case
90
°C
80
°C
28610.23, Rev. 3
SANKEN ELECTRIC CO., LTD
2


Part Number SLA7083MPR
Description Unipolar 2-Phase Stepping Motor Driver
Maker SANKEN
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