LV8491CT Datasheet, PDF (1/20 Pages) Sanyo Semicon Device – Piezo Actuator Driver IC

Ordering number : ENA1760
LV8491CT
Bi-CMOS LSI
Piezo Actuator Driver IC
http://onsemi.com
Overview
The LV8491CT is a piezoelectric actuator driver IC. It internally generates drive waveforms and this makes it possible
to control piezoelectric actuators with simple instructions.
Features
• Actuators using piezoelectric elements can be driven and controlled simply by I²C communication.
• Multiple patterns of drive waveform conditions can be set for before and after performing normal operation when
executing the DRVPULSE instruction.
• The piezoelectric drive waveforms are set externally by serial input signals using the I²C interface.
The rising and falling timings are determined with clock count.
• Startup/stop of the IC is controlled by ENIN register input through I²C communication.
• The time for which the actuator is driven is determined with the drive frequency setting based on I²C communication.
• BUSY output can be used to identify the operation/stop state of the actuator while output is present at the OUT pin.
The BUSY signal can also be checked with the READ function controlled through I²C communication.
• Built-in undervoltage detection and protection circuit, and register power-on reset function.
Specifications
Absolute Maximum Ratings at Ta = 25°C, GND = 0V
Parameter
Symbol
Conditions
Supply voltage
Output current
Peak output current 1
Peak output current 2
Input signal voltage
Allowable dissipation
VCC max
IO max
IO peak 1
IO peak 2
VIN max
Pd
t ≤ 1ms
t ≤ 10μs
*Mounted on a specified board.
Operating temperature
Topr
Storage temperature
Tstg
* Specified board : 40mm × 40mm × 1.6mm, glass epoxy board.
Ratings
Unit
-0.5 to 5.0
V
300
mA
750
mA
1200
mA
-0.5 to VCC+0.5
V
350
mW
-30 to +85
°C
-55 to +125
°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.
Semiconductor Components Industries, LLC, 2013
June, 2013
70710 SY PC 20100517-S00002 No.A1760-1/20