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FP5502-1.7-FEB-2014

FP5502

fitipower integrated technology lnc.

Truth Table

VP1

VP2

VO1

VO2

Mode

Low

Low

OFF

OFF

Standby

High

Low

High

Low

Forward

Low

High

Low

High

Reverse

High

High

---

---

Keep the previous mode (Forward/ Reverse)

Truth Table Test Wave

Figure 5. Truth Table test waves

Function Description

Device Operation

FP5502 is a micro-actuator driver IC with miniature package (SOT-23-6).

It is one channel low voltage

bi-directional motor driver IC.

The design is optimal for driving different type micro-actuator, such as voice coil

motor, piezo-actuator, or other DC motor actuators.

It is suitable for camera module application or other

portable device.

MOSFET output stages substantially to reduce the voltage drop and the power dissipation of

the outputs of the FP5502 compared to typical drivers with bipolar transistors.

Internal circuit protection includes thermal shutdown with hysteresis and crossover current protection.

FP5502 is designed for portable applications with a power-off (sleep mode) current of 100nA typical, and an

operating voltage of 1.8 to 5.5.

FP5502 logic inputs are 3 to 5V logic compatible.

In conditions where the logic supply voltage drops below 1.8V, both the sink and the source voltage drop will

increase beyond the specified values.

In extreme cases, no power will be delivered to the motors.

However,

the device will not be damaged.

Sleep Mode

Pulling all inputs to 0.4V or less drives the FP5502 to sleep mode.

And it will draw 100nA typical during sleep

mode.

Thermal Shutdown

The FP5502 will disable the outputs if the junction temperature reaches 150ºC.

When it enters thermal

shutdown, after the junction temperature drops 15ºC, the outputs will be re-enabled