LB1943 View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LB1943

Forward/Reverse Motor Driver with Braking Function

SANYO -> Panasonic 

Internal Equivalent Circuit

LB1943

Logic circuit

Peripheral Circuit Example

Motor

Microcontroller control port

Usage Notes

1. The microprocessor output ports are CMOS outputs, and must be used in the high, low, or open states.

2. We recommend using a value of about 60 kΩ for R1 and R2.

3. Voltages applied to the IN1 and IN2 pins must not exceed the range 0 to 6 V. Note that negative voltages can cause

the IC to operate incorrectly. Also, do not apply voltages to IN1 or IN2 when the VCC voltage is not applied.

4. To prevent the upper and lower output transistors from both being in the on state at the same time, when switching

the IN1 and IN2 values, always hold the input open for a brief period during the transition. We recommend holding

the open state for a few tens of microseconds.

5. A capacitor must be inserted between VCC and ground. We recommend that this capacitor have a value of at least

20 µF.

No. 58064/5

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