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BA5954FM Datasheet(PDF) 1 Page - Rohm |
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BA5954FM Datasheet(HTML) 1 Page - Rohm |
1 / 6 page 1/5 REV. A Structure : Silicon Monolithic Integrated Circuit Product Name : BLT Driver For DVD-ROM Device Name : BA5954FM Features : • 2CHs for current driving-type BTL drivers to drive two-axis actuators • 1CH for a voltage driving-type BTL driver for a feed motor 4-ch driver comprising of 1CH for a voltage driving-type BTL driver for a loading motor • A wide dynamic range (PreVcc=12V, PVcc=5V, 4.0V(Typ.) when RL=8Ω) • The pre-part + feed motor part, the loading motor part, and the actuator part are provided with power supplies independently and its low voltage operation achieves an efficient drive. • A built-in level shift circuit • A built-in thermal shutdown circuit is installed • A built-in standby function installed. <Two-axis Actuator Driver> The current feedback technique can reduce the current phase shift caused by the load inductance. <Feed Motor Driver> A general op-amp connected to the input terminal helps compute additions of differential inputs or signals. <Loading Driver> A tri-state logic input is used to determine a forward or reverse operation. It can be used as a linear BTL driver. ABSOLUTE MAXIMUM RATINGS Parameter Symbol Limits Unit Power Supply Voltage Vcc, PVcc1/2 13.5 V Power Dissipation Pd 2.2 *1 W Operating Temperature Range Topr -35 to 85 °C Storage Temperature Range Tstg -55 to 150 °C *1 When mounted on the glass/epoxy board with the size: 70 mm ×70 mm, the thickness: 1.6 mm, and the rate of copper foil occupancy area: 3% or less. Over Ta=25 °C, derating at the rate of 17.6mW/°C. RECOMMENDED OPERATING CONDITIONS Parameter Symbol Limits Unit Vcc 4.3 to 13.2 V PVcc1 4.3 to Vcc V Power supply Voltage PVcc2 4.3 to Vcc V This product has not been checked for the strategic materials (or service) defined in the Foreign Exchange and Foreign Trade Control Low of Japan so that a verification work is required before exporting it. Not designed for radiation resistance. |
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