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ON Semiconductor - Stepper Motor Driver

Numéro de référence LB1936V
Description Stepper Motor Driver
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LB1936V fiche technique
Ordering number : EN7233A
LB1936V
Monolithic Digital IC
1-2 Phase Excitation
Stepper Motor Driver
http://onsemi.com
Overview
The LB1936V is a 2-phase bipolar drive stepper motor driver IC that supports low-voltage drive. The LB1936V's
miniature package and minimal number of external components reduces the required mounting area. It also provides
high-efficiency motor drive and can reduce circuit current consumption. Since it provides a current detection pin and
supports PWM control input, it can be used to implement current chopper control at the system level. The LB1936V is
optimal for the stepper motor drive in scanners, digital cameras, and printers.
Features
Low saturation voltage forward/reverse motor driver (VO sat = 0.25V at IO = 200mA)
Two H-bridge channels
Wide usable voltage range (Allowable voltage range : 2.5V to 9.5V, absolute maximum rating : 10.5V)
Supports PWM input (Low power consumption can be achieved in slow delay mode that uses IN1/IN2 = H/H logic.)
Motor (coil) current detection pin
Built-in thermal shutdown circuit
Miniature package (SSOP16 : 225mil)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output voltage
Maximum input voltage
Ground pin source current
Allowable power dissipation
Symbol
VCC max
VS max
VOUT max
VIN max
IGND max
Pd max
Conditions
Per channel
When mounted on a circuit board *
Operating temperature
Storage temperature
Topr
Tstg
* Specified circuit board : 114.3 × 76.1 × 1.6mm3, glass epoxy
Ratings
-0.3 to +10.5
-0.3 to +10.5
VS+ VSF
-0.3 to +8.0
800
740
-20 to +85
-40 to +150
Unit
V
V
V
V
mA
mW
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 5 of this data sheet.
Semiconductor Components Industries, LLC, 2013
September, 2013
90913NK /40407 TI PC B8-5595 No.7233-1/5

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